[EN] The present invention relates to aerosol-generating article for producing an inhalable upon heating in an aerosol-generating device, the aerosol-generating article comprising: a rod of aerosol-generating substrate, a mouthpiece comprising a plug of filtration material, a wrapper, and a tobacco-containing layer comprising tobacco and an aerosol- forming agent, wherein the rod of aerosol-generating substrate is wrapped by the wrapper and by the tobacco-containing layer containing an aerosol-forming agent, and the tobacco-containing layer is positioned in contact with a surface of the wrapper. The present invention is further directed to a method for producing an aerosol-generating article including the steps of preparing a tobacco-containingslurry, depositing the tobacco-containing slurry onto a first sheet to form a sheet coated with a tobacco-containing layer, attaching a paper sheet to the first sheet to form a wrapper before or after depositing the tobacco-containing slurry onto the first sheet so that the paper sheet and the tobacco-containing layer are on opposing sides of the first sheet, and subsequently wrapping a rod of aerosol-generating substrate with the wrapper comprising the first sheet coated with the tobacco-containing slurry, so that the tobacco-containing layer is facing the rod of aerosol-generating substrate. [EN] Claims 1. An aerosol-generating article (1) for producing an inhalable upon heating in an aerosol-generating device (2), the aerosol-generating article (1) comprising: a rod of aerosol-generating substrate (10) comprising tobacco, a mouthpiece (20) comprising a plug of filtration material, a wrapper (30), and a tobacco-containing layer (40) comprising tobacco and an aerosol-forming agent, wherein the rod of aerosol-generating substrate (10) is wrapped by the wrapper (30) and by the tobacco-containing layer (40), and the tobacco-containing layer (40) is positioned in contact with a surface of the wrapper (30).2. The aerosol-generating article (1) according to claim 1, wherein the tobacco-containing layer (40) is coated or bound on the inner surface of the wrapper (30) facing the rod of aerosol-generating substrate.3. The aerosol-generating article (1) according to claim 1 or 2, wherein the wrapper (30) comprises a heat-conductive sheet and the tobacco-containing layer (40) is in contact with the heat-conductive sheet.4. The aerosol-generating article (1) according to claim 3, wherein the heat-conductive sheet is made of aluminum.5. The aerosol-generating article (1) according to claim 3 or 4, wherein the wrapper (30) comprises an outer paper layer (32) and an inner layer (31) facing the rod of aerosol generating substrate, wherein the inner layer (31) is the heat-conductive sheet.6. The aerosol-generating article (1) according to any one of the preceding claims, wherein the aerosol-forming agent comprises one or more compound (s) selected from the group consisting of: a polyhydric alcohol such as glycerin a diol such as polypropylene glycol, triethylene glycol, or 1-3-butanediol, an ester of a polyhydric alcohol such as glycerol monoacetate, glycerol diacetate, or glycerol triacetate, an aliphatic ester of a mono-, di- or polycarboxylic acid such as methyl stearate, ethyl stearate, isopropyl stearate, methyl myristate, ethyl myristate, isopropyl myristate, dimethyl dodecanedioate, diethyl dodecanedioate, diisopropyl dodecanedioate, dimethyl tetradecanedioate, diethyl tetradecanedioate, diisopropyl tetradecanedioate, trimethyl citrate, or triethyl citrate.7. The aerosol-generating article (1) according to any one of the preceding claims, wherein the tobacco-containing layer (40) comprises a binder.8. The aerosol-generating article (1) according to claim 7, wherein the binder comprises one or more compound (s) selected from the group consisting of: gum such as gellan gum, xanthan gum, arabic gum, locust bean gum or agar agar, monosaccharide such as glucose, fructose, or galactose, disaccharide such as lactose, maltose or sucrose, polysaccharide such as starch, and cellulose derivative such as hydroxypropyl- methylcellulose, hydroxypropyl cellulose, carboxymethyl cellulose, hydroxyethyl cellulose, methyl cellulose, or ethyl cellulose.9.The aerosol-generating article (1) according to any one of the preceding claims, wherein the tobacco-containing layer (40) has a thickness between 0.1 and 0.5 mm, preferably between 0.1 and 0.2 mm.10. The aerosol-generating article (1) according to any one of the preceding claims, wherein the tobacco-containing layer (40) comprises micronized tobacco powder.11. The aerosol-generating article (1) according to claim 10, wherein the tobacco powder has a particle size (Dv90) of 30 pm or less.12. The aerosol-generating article (1) according to any one of the preceding claims, wherein the tobacco-containing layer (40) further comprises non-tobacco flavorant.13. The aerosol-generating article (1) according to any one of the preceding claims, wherein the tobacco comprised in the aerosol-generating substrate is one or more selected from the group of randomly oriented tobacco strands, randomly oriented tobacco shreds, and gathered tobacco sheets.14. The aerosol-generating article (1) according to claim 13, wherein the aerosol-generating substrate further comprises tobacco leaf, tobacco lamina, tobacco stem, tobacco scrap, reconstituted tobacco, cellulose pulp or combinations thereof.15. The aerosol-generating article (1) according to any one of the preceding claims, wherein a tubular member (50) is present between the rod of aerosol-generating substrate (10) and the mouthpiece (20).16. The aerosol-generating article (1) according to claim 15, wherein the tubular member (50) is hollow and is preferably a paper or PLA tube.17. The aerosol-generating article (1) according to claim 15 or 16, wherein a tipping paper wraps over the mouthpiece (20), the tubular member (50) and the rod of aerosol generating substrate (10) and at least partially overlaps with the wrapper (30).18. The aerosol-generating article (1) according to any one of the preceding claims comprising an inductively heatable susceptor element in contact with the tobacco-containing layer (40).19. A method for producing an aerosol-generating article (1), the method comprising the steps of: preparing a tobacco-containing slurry, depositing the tobacco-containing slurry onto a first sheet to form a sheet coated with a tobacco-containing layer (40), attaching a paper sheet to the first sheet to form a wrapper (30) before or after depositing the tobacco- containing slurry onto the first sheet so that the paper sheet and the tobacco-containing layer (40) are on opposing sides of the first sheet, and subsequently wrapping a rod of aerosol-generating substrate (10) with the wrapper (30) comprising the first sheet coated with the tobacco-containing slurry, so that the tobacco-containing layer (40) is facing the rod of aerosol-generating substrate (10).20. The method according to claim 19, wherein the first sheet is a heat-conductive sheet, preferably a heat- conductive sheet made of aluminum.


[EN] An aerosol generation device has a heating chamber for receiving a substrate carrier containing an aerosol substrate. The heating chamber includes a first open end; a base; and a side wall between the open end and the base. The base is connected to the side wall and provides structural support to the side wall. The side wall has a first thickness and the base has a second thickness greater than the first thickness. [EN] 1. A heating chamber for an aerosol generation device, the heating chamber comprising: a first open end;a base; anda side wall between the open end and the base;wherein the base is connected to the side wall and provides structural support to the side wall; andwherein the side wall has a first thickness and the base has a second thickness greater than the first thickness.2. The heating chamber of claim 1, wherein the side wall and the base are formed from the same material.3. The heating chamber of claim 1, wherein the base and the side wall are formed as a single element.4. The heating chamber of claim 1, wherein the first thickness is 100 micro m or less.5. The heating chamber of claim 1, wherein the second thickness is between 200 micro m and 500 micro m.6. The heating chamber of claim 1, wherein the base seals a second end of the side wall, opposite the open end.7. The heating chamber of claim 6, further comprising a flanged portion attached to the open end, the flanged portion extending radially outwardly at the open end of the heating chamber.8. The heating chamber of claim 7, wherein the flanged portion extends all the way around the heating chamber.9. The heating chamber of claim 7, wherein the flanged portion extends obliquely away from the side wall.10. The heating chamber of claim 9, wherein the flanged portion comprises a first material and the side wall comprises a second material, the first material having lower thermal conductivity than the second material.11. The heating chamber of claim 1, wherein the side wall comprises a material having a thermal conductivity of 50 W/mK or less.12. The heating chamber of claim 1, further comprising a plurality of protrusions formed on an inner surface of the side wall.13. The heating chamber of claim 12, wherein the plurality of protrusions are formed by indenting an outer surface of the side wall.14. The heating chamber of claim 1, further comprising a platform on an inner surface of the base.15. The heating chamber of claim 14, wherein the platform is formed by indentation of an outside surface of the base.16. The heating chamber of claim 1, wherein the heating chamber is a product of deep drawing.17. An aerosol generation device comprising: an electrical power source;the heating chamber of claim 1;a heater arranged to supply heat to the heating chamber; andcontrol circuitry configured to control a supply of electrical power from the electrical power source to the heater.18. The aerosol generation device of claim 17, wherein the heater is provided on an external surface of the side wall.19. The aerosol generation device of claim 17, wherein the heater is located adjacent to an external surface of the side wall.20. The aerosol generation device of claim 17, wherein the heating chamber is removable from the aerosol generation device.


[EN] An aerosol generation device has a heating chamber for receiving a substrate carrier containing an aerosol substrate. The heating chamber includes an open first end, a chamber side wall, and a base at a second end of the chamber side wall opposite the open first end, wherein the base comprises includes a platform extending from a portion of the base towards the open end from an interior surface of the base. [EN] 1. A heating chamber for an aerosol generation device, the heating chamber comprising: an open first end;a chamber side wall; anda base at a second end of the chamber side wall opposite the open first end;wherein the base comprises a platform extending from a portion of the base towards the open end from an interior surface of the base.2. The heating chamber according to claim 1, wherein the platform is formed from a deformation of the base.3. The heating chamber according to claim 1, further comprising a channel around the platform.4. The heating chamber according to claim 1, wherein the platform is shaped so as not to cause damage to a pre-packaged aerosol substrate.5. The heating chamber according to claim 1, wherein the platform comprises a platform side wall facing the chamber side wall, and a platform top facing the open end.6. The heating chamber according to claim 5, wherein the platform top is substantially flat, convex, or hemispherical.7. The heating chamber according to claim 1, wherein the platform is shaped to increase the strength of the base, such that the base is resilient to deformation.8. The heating chamber according to claim 1, wherein the heating chamber comprises a flange positioned at the open top, and extending radially outwards away from the centre of the chamber, wherein platform, base, chamber side wall, and flange are constructed from a single piece of material.9. The heating chamber according to claim 1, further comprising a heater in thermal engagement with the chamber side wall.10. The heating chamber according to claim 9, wherein the platform is shaped so as to elongate the heat flow path between the heater and the base and/or platform.11. The heating chamber according to claim 9, wherein the heater extends around the chamber side wall, and preferably not around the base.12. The heating chamber according to claim 9, wherein the heater comprises one or more heating elements, preferably wherein the heater has a backing film within which the heating element(s) are positioned.13. The heating chamber according to claim 2, wherein the platform top has an area 75 percent or less of the cross-sectional area of the base.14. The heating chamber according to claim 1, wherein the platform has a width of 5 mm or less, and preferably 4 mm.15. The heating chamber according to claim 1, wherein the platform has a height 10 percent or less of the height of the side wall.16. The heating chamber according to claim 1, wherein the platform has a height of 2 mm or less above the base, and preferably 1 mm.17. The heating chamber according to claim 1, wherein the base is circular and the platform has a circular profile.18. A system comprising the heating chamber according to claim 1, wherein the heating chamber is configured to receive a substrate carrier comprising an aerosol substrate formed of loose-packed material at a first end of the substrate carrier, wherein the top of the platform is configured to make contact with the first end of the substrate carrier.19. The system according to claim 18, wherein top of the platform is further from the base than the part of the first end of the substrate carrier that is closest to the base such that the top of the platform is configured to compress the loose-packed material.20. The system according to claim 18, wherein the top of the platform is configured not to damage the first end of the substrate carrier.21. The system according to claim 18, wherein the surface area of the top surface of the platform is between 20 percent and 70 percent, preferably between 25 percent and 40 percent and more preferably approximately 30 percent of the surface area of the first end 134 of the substrate carrier 114.22. The system according to claim 18, wherein the heating chamber further comprises a channel around the platform, wherein the open channel is partially covered by the first end of the substrate carrier, and wherein the open channel is configured to collect any of the loose-packed material that becomes free from the substrate carrier without blocking airflow into the tip of the substrate carrier.23. An aerosol generation device comprising: an electrical power source;the heating chamber according to claim 1;a heater arranged to supply heat to the heating chamber; andcontrol circuitry configured to control the supply of electrical power from the electrical power source to the heater.24. A method of manufacturing the heating chamber of claim 2, wherein the platform is formed by compressing a portion of the base between a press formed of a female part and a male part, to form the deformation of the base.25. The method of claim 24, comprising attaching a heater to the outside surface of the heating chamber.


[EN] An aerosol generating device (10) comprises a heating chamber (18) for receiving at least part of an aerosol generating substrate (102) and an induction heating arrangement (46) configured to heat the aerosol generating substrate (102) to generate an aerosol to be inhaled, the induction heating arrangement (46) comprising a single induction coil (48) disposed around or adjacent to the heating chamber (18). The aerosol generating device (10) comprises a controller (24) configured to control the induction heating arrangement (46) to supply an alternating electric current to the single induction coil (48). The induction heating arrangement (46) includes a plurality of connectors (C1-C5) associated with the single induction coil (48) which are arranged and configured to permit the supply of the alternating electric current to one or more coil sections (L1-L4) to selectively energise the one or more coil sections (L1-L4). The aerosol generating device (10) also comprises a plurality of inductively heatable susceptors (40, 41, 42, 43) positioned in the heating chamber (18) adjacent to each coil section (L1-L4) to define corresponding heating areas (40a, 41a, 42a, 43a) within the heating chamber (18). [EN] - 22 - Claims 1. An aerosol generating device (10) comprising: a heating chamber (18) for receiving at least part of an aerosol generating substrate (102); an induction heating arrangement (46) configured to heat the aerosol generating substrate (102) to generate an aerosol to be inhaled, the induction heating arrangement (46) comprising a single induction coil (48) disposed around or adjacent to the heating chamber (18); a controller (24) configured to control the induction heating arrangement (46) to supply an alternating electric current to the single induction coil (48); wherein the induction heating arrangement (46) includes a plurality of connectors (Cl- C5) associated with the single induction coil (48), the plurality of connectors (C1-C5) being arranged and configured to permit the supply of the alternating electric current to one or more coil sections (L1-L4) of the single induction coil (48) to selectively energise the one or more coil sections (L1-L4); wherein the aerosol generating device (10) comprises a plurality of inductively heatable susceptors (40, 41, 42, 43) positioned in the heating chamber (18) adjacent to each coil section (L1-L4) to define corresponding heating areas (40a, 41a, 42a, 43a) within the heating chamber (18); and wherein the aerosol generating device comprises at least two heating modes, each heating mode comprising an associated section activation pattern, and the controller is configured to control the induction heating arrangement to supply the alternating electric current to the one or more coil sections of the single induction coil in accordance with a first section activation pattern if a first heating mode is selected, and to supply the alternating electric current to the one or more coil sections of the single induction coil in accordance with a second section activation pattern, different to the first, if a second heating mode is selected.2. An aerosol generating device according to claim 1, wherein the connectors (C1-C5) are arranged in pairs to permit the supply of the alternating electric current to each coil section (Ll- L4) via a corresponding pair of the connectors (C1-C5).3. An aerosol generating device according to claim 1 or claim 2, wherein the controller (24) is configured to supply the alternating electric current to each coil section (L1-L4) via a corresponding pair of the connectors (C1-C5).4. An aerosol generating device according to any preceding claim, wherein the plurality of connectors (C1-C5) are arranged and configured so that, in use, each coil section (L1-L4) generates an electromagnetic field concentrated in a different region of the heating chamber (18) corresponding to the location of an adjacently positioned inductively heatable susceptor (40, 41, 42, 43).5. An aerosol generating device according to any preceding claim, wherein the single induction coil (48) is a helical coil which extends around the heating chamber (18) about a longitudinal axis, and the plurality of connectors (C1-C5) are spaced along the longitudinal axis to define longitudinally arranged coil sections (L1-L4).6. An aerosol generating device according to any preceding claim, wherein in the first section activation pattern the controller (24) is configured to supply the alternating electric current sequentially to each coil section (L1-L4).7. An aerosol generating device according to any preceding claim, wherein in the second section activation pattern the controller (24) is configured to supply the alternating electric current sequentially to a first subset of coil sections (LI, L2) and thereafter to a second subset of coil sections (L3, L4).8. An aerosol generating device according to any preceding claim, wherein the controller (24) is configured to control the induction heating arrangement (46) to supply an alternating electric current to a first coil section (LI) to generate a first electromagnetic field and to supply an alternating electric current to a second coil section (L2) to generate a second electromagnetic field, wherein the first electromagnetic field has a first frequency and the second electromagnetic field has a second frequency that is different from the first frequency.9. An aerosol generating device according to claim 8, wherein the first electromagnetic field is adapted to heat a first inductively heatable susceptor (40) having a first resonant frequency and the second electromagnetic field is adapted to heat a second inductively heatable susceptor (41) having a second resonant frequency that is different from the first resonant frequency.10. An aerosol generating device according to claim 8 or claim 9, wherein the controller (24) is configured to control the induction heating arrangement (46) to supply an alternating electric current to a third coil section (L3) to generate a third electromagnetic field, wherein the third electromagnetic field has a third frequency that is different from the first and second frequencies.11. An aerosol generating device according to claim 10, wherein the third electromagnetic field is adapted to heat a third inductively heatable susceptor (42) having a third resonant frequency that is different from the first and second resonant frequencies.12. An aerosol generating device according to any preceding claim, wherein the controller (24) is configured to control the induction heating arrangement (46) to heat one or more of the coil sections (L1-L4) to a first temperature, and to heat one or more other of the coil sections (L1-L4) to a second temperature that is different to the first.13. An aerosol generating device according to claim 12 as dependent on claim 7, wherein the controller is configured to control the induction heating arrangement to heat a first coil section (LI) within the first subset of coil sections (LI, L2) to the first temperature and to simultaneously heat a second coil section (L2) within the first subset of coil sections (LI, L2) to the second temperature.14. An aerosol generating system (1) comprising: an aerosol generating substrate (102); and an aerosol generating device (10) according to any preceding claim for heating the aerosol generating substrate (102) to generate an aerosol to be inhaled.15. A method of using an aerosol generating system (1) according to claim 14, the method comprising: positioning at least part of the aerosol generating substrate (102) in the heating chamber (18); controlling, by the controller, the induction heating arrangement to supply an alternating electric current to the one or more coil sections of the single induction coil in accordance with a first section activation pattern if a first heating mode is selected; and controlling, by the controller, the induction heating arrangement to supply the alternating electric current to the one or more coil sections of the single induction coil in accordance with a second section activation pattern, different to the first, if a second heating mode is selected.


[EN] An aerosol generating article (1, 2, 3) for use with an aerosol generating device (102) comprises a substantially planar aerosol generating substrate (14) and a wrapping member (22) surrounding the substantially planar aerosol generating substrate (14) to form a substantially planar aerosol generating article. The wrapping member (22) comprises a window (16) aligned with part of the aerosol generating substrate (14), and optionally comprises a removable portion (30) covering the window (16). [EN] Claims 1. An aerosol generating article (1, 2, 3) for use with an aerosol generating device (102), the aerosol generating article comprising: a substantially planar aerosol generating substrate (14); a wrapping member (22) surrounding the substantially planar aerosol generating substrate (14) to form a substantially planar aerosol generating article; wherein the wrapping member (22) comprises a window (16) aligned with part of the aerosol generating substrate (14).2. An aerosol generating article according to claim 1, wherein the wrapping member (22) comprises a sheet material and the window (16) comprises a die-cut portion (18) formed in the sheet material.3. An aerosol generating article according to claim 1 or claim 2, wherein the aerosol generating substrate (14) comprises a main surface (14a), the window (16) is positioned adjacent to the main surface (14a) and has an area which is smaller than an area of the main surface (14a).4. An aerosol generating article according to any preceding claim, wherein the wrapping member (22) extends beyond an end of the aerosol generating substrate (14) to form a mouth-end portion (34) of the article.5. An aerosol generating article according to any preceding claim, wherein the wrapping member (22) comprises a removable portion (30) covering the window (16) and one or more lines of weakness (32) defining a periphery of the removable portion (16), and the removable portion (16) is removable by a user prior to use of the aerosol generating article in an aerosol generating device (102).6. An aerosol generating article according to claim 5, wherein the one or more lines of weakness (32) comprise one or more perforations (36).7. An aerosol generating article according to any preceding claim, wherein the substantially planar aerosol generating substrate (14) has aflat rectangular shape having a pair of main surfaces (14a, 14b) and the wrapping member (22) comprises a pair of rectangular sheets (24, 26) attached, respectively, to the pair of main surfaces (14a, 14b).8. An aerosol generating article according to any preceding claim, wherein the aerosol generating article comprises a support member (28) forming a mouth-end portion (34) of the article, and the support member (28) has a tubular form to receive a downstream end of the aerosol generating substrate (14).9. An aerosol generating article according to any preceding claim, wherein the wrapping member (22) has a porous inner surface (22a) facing towards the aerosol generating substrate (14) for absorbing condensation and an anti-stick outer surface (22b) facing away from the aerosol generating substrate (14).10. An aerosol generating article according to claim 9, wherein the wrapping member (22) comprises an anti-stick coating on the outer surface (22b).11. A method of manufacturing an aerosol generating article (1, 2, 3) for use with an aerosol generating device (102), the method comprising: providing a substantially planar aerosol generating substrate (14); providing a wrapping member (22) comprising a window (16); wrapping the substantially planar aerosol generating substrate (14) with the wrapping member (22) to form a substantially planar aerosol generating article and aligning the window (16) in the wrapping member (22) with part of the aerosol generating substrate (14).


[EN] An aerosol-generating device (10) has thermochromic material visible from outside the device (10) and extending in a longitudinal direction and a heat transfer structure inside the device (10) relative to the thermochromic material and essentially extending in the same longitudinal direction as the thermochromic material and at least overlapping with it, wherein a thermal resistance of the heat transfer structure increases in the longitudinal direction. Further, a method of indicating at least one operational state of an aerosol-generating device by changing colour of thermochromic material visible from outside is presented, wherein at least two portions of thermochromic material are heated successively due to a thermal resistance of a heat transfer structure inside the device relative to the thermochromic material increasing in a longitudinal direction of the thermochromic material and the heat transfer structure. [EN] CLAIMS 1. An aerosol generating device (10) having: thermochromic material visible (22) from outside the device (10) and extending in a longitudinal direction, a heat transfer structure (20) inside the device (10) relative to the thermochromic material (22) and essentially extending in the same longitudinal direction as the thermochromic material (22) and at least overlapping with it, wherein a thermal resistance of the heat transfer structure (20) increases in the longitudinal direction.2. The aerosol generating device (10) of claim 1 wherein the thermal resistance is highest at a mouthpiece end of the device (10).3. The aerosol generating device (10) of claim 1 or 2 wherein the thermochromic material (22) is filled in at least one recess formed on a surface of the device.4. The aerosol generating device (10) of one of the preceding claims wherein the thermochromic material (22) is a Leuco dyes-based paint.5. The aerosol generating device (10) of one of the preceding claims, wherein the heat transfer structure (20) inside the device (10) relative to the thermochromic material (22) is adapted to reduce the temperature by at least about 75 percent and preferably by a maximum of about 90 percent.6. The aerosol generating device (10) of one of the preceding claims, wherein the heat transfer structure (20) inside the device (10) relative to the thermochromic material (22) is shorter than an oven (18) in a longitudinal direction of the device (10).7. The aerosol generating device (10) of claim 6, wherein the heat transfer structure (20) fully overlaps with the oven (18) in the longitudinal direction.8. The aerosol generating device (10) of one of the preceding claims, wherein the heat transfer structure (20) inside the device (10) relative to the thermochromic material (22) is adapted to be heated by an electrical resistance.9. The aerosol generating device (10) of one of the preceding claims, wherein the thermochromic material (22) is provided on at least one portion of a surface of the device (10).10. The aerosol generating device (10) of one of the preceding claims, wherein the heat transfer structure (20) is composed of at least two different materials, the content of which changes along the longitudinal direction.11. The aerosol generating device (10) of claim 10, wherein the different materials are provided with at least one step (24).12. The aerosol generating device (10) of claim 10 or 11, wherein the different materials are provided with at least two projections (26) having different thicknesses measured in the longitudinal direction.13. A method of indicating at least one operational state of an aerosol generating device by changing the colour of thermochromic material visible from outside the device, wherein at least two portions of thermochromic material are heated successively due to a thermal resistance of a heat transfer structure inside the device relative to the thermochromic material increasing in a longitudinal direction of the thermochromic material and the heat transfer structure.14. The method of claim 13, wherein heat is transferred to the thermochromic material from an oven and/or an electrical resistance.15. The method of claim 14, wherein the oven and/or electrical resistance is controlled by a controller.


[EN] The present invention relates to a heater (4) for an aerosol-generating device (1), said heater (4) comprises at least one portion (4a, 4b) made of a 5 material that is, at least partially, thermally conductive and transparent to electromagnetic radiation (200, 204, 205). The invention relates also to an aerosol-generating device (1) comprising the heater (4). The invention relates also to an aerosol-generating system comprising the aerosol-generating device (1) and an aerosol-generating article (100) inserted into the aerosol-generating 10 device (1). The invention relates also to a method for authenticating an aerosol-generating article (100) using said device (1) and comprises the steps of: - collecting radiated electromagnetic radiation (204, 205) from an inserted article (100), through said at least one transparent 15 portion (4a, 4b), and collecting at least a portion (206, 207) of said radiated electromagnetic radiation (204,205) by the detector (30) of the optical reader system (300); - authenticating the aerosol generating article (1) by computing information contained in the collected electromagnetic 20 radiation (206, 207) by said detector (30). [EN] 27 Claims 1. A heater (4) for an aerosol-generating device (1), said heater (4) extending over a length L0, wherein said heater (4) comprises at least one portion (4a, 4b) having a length L1 inferior or equal to L0, said portion (4a, 4b) being made of a material that is at least partially thermally conductive and at least partially transparent to an electromagnetic radiation (200, 204, 205), having a transparency value T being defined as a fraction of the intensity 11 of an electromagnetic radiation beam (200) incident on said portion and transmitted through said transparent portion (4a).2. The heater (4) according to claim 1, wherein said transparency value T between 10 percent and 90 percent, more preferably between 20 percent and 85 percent, even more preferably between 40 percent and 85 percent.3. The heater (4) according to any one of claims 1 or 2, wherein the portion (4a) is at least partially transparent to an electromagnetic radiation (200, 204, 205) having a wavelength between 120 nm and 1 mm, preferably between 250 nm and 15 pm, even more preferably between 350 nm and 10 pm.4. The heater (4) according to any one of claims 1 to 3, wherein the length L1 of said portion (4a) of the heater is between 0.1 x L0 and 0.3 x L0 including 0.3 x L0, preferably between 0.3 x L0 and 0.5 x L0 including 0.5 x L0, more preferably between 0.5 x L0 and 0.8 L0 including 0.8 x L0, even more preferably between 0.8 x L0 and L0, including L0.5. The heater (4) according to any one of claims 1 to 4, comprising at least two different portions (4a, 4b) transparent to an electromagnetic radiation, said two portions (4a, 4b) being arranged adjacent or separate to each other along the length L0 of the heater.6. The heater (4) according to any one of claims 1 to 5, wherein the at least one portion (4a, 4b) is made of a material having a thermal conductivity greater than 200W/(m K), preferably greater than 500W/(m K), more preferably greater than 1000W/(m K), even more preferably greater than 2000W/(m K).7. The heater (4) according to claim 6, wherein the material of said at least one portion (4a, 4b) is chosen among: diamond, diamond-like carbon (DLC), a carbide, ZnO, SnO, glass, SiO2, AI2O3, a heat resistive polymer, or a combination thereof.8. The heater (4) according to any one of claims 1 to 7, wherein the material of the at least one transparent portion (4a, 4b) is electrically conductive.9. The heater (4) according to any one of claims 1 to 8, comprising at least one electrically conductive layer (400).10. An aerosol-generating device (1) comprising: o a cavity (2), and having an opening (2a) configured to receive an aerosol generating article (100), o a heater (4) according to any one of the preceding claims arranged about the cavity (2) to heat said aerosol generating article (100) after insertion thereof in the cavity (2), o an optical reader system (300) comprising at least one optical detector (30), o a power supply unit, and o a control unit (250) configured to control at least the heater (4) and optical reader system (300), wherein the device (1) is configured to collect, through said transparent portion (4a, 4b) and by said optical reader system (300), at least a portion (206, 207) of reflected or transmitted electromagnetic radiation (204, 205) provided by said article (100).11. The aerosol-generating device (1) according to claim 10, wherein said at least one transparent portion (4a, 4b) extends around an entire periphery of the cavity (2).12. The aerosol-generating device (1) according to any one of claims 10 or 11, wherein said at least one transparent portion (4a, 4b) forms a distal end (4a) of said cavity (2) opposite the opening (2a).13. The aerosol-generating device (1) according to any one of claims 10 to 13, wherein said heater (4) comprises at least one electrical conducting layer (400) that is in electrical and/or thermal contact with an electrical or thermal power source of the device (1).14. A method for authenticating an aerosol-generating article (100) using a device (1) according to any one of claims 10 to 13, comprising the steps of: - inserting at least a portion of the aerosol-generating article (100) in the cavity (2) of the aerosol generating device (1); - collecting radiated electromagnetic radiation (204, 205) from the article (100), through said at least one transparent portion (4a, 4b), and collecting at least a portion (206, 207) of said radiated electromagnetic radiation (204,205) by the detector (30) of the optical reader system (300); - authenticating the aerosol generating article (1) by computing information contained in the collected electromagnetic radiation (206, 207) by the detector (30) in said control unit (250).15. The method for authenticating a consumable article (100) according to claim 14, comprising a step of emitting electromagnetic radiation (200) by an emitter (20) arranged in said device (1) and directing, through said at least one transparent portion (4a, 4b), an electromagnetic beam (200) towards and onto said article (100), and wherein said collected radiation is a reflected portion (204) of the incident electromagnetic beam (202) onto said article (100).


[EN] A vapour generating device includes an oven arranged to receive a substrate to be vapourized, an inlet, an outlet, an airflow passageway for providing a fluid connection between the inlet and the outlet via the oven through which generated vapour can flow from the oven to the outlet. A device controller and a humidity sensor for generating a measurement of a vapour produced by the substrate are provided. The controller is operable to control the operation of the device based on measurement data from the humidity sensor. [EN] 1. A hand-held vapour generating device for producing a vapour for inhalation by a user, the device comprising: an oven arranged to receive a vapour generating substrate;an inlet;an outlet;an airflow passageway for providing a fluid connection between the inlet and the outlet via the oven and through which generated vapour can flow to the outlet;a device controller;a humidity sensor for generating a measurement of a vapour produced by said substrate, wherein the device controller is arranged to control operation of the device based on measurement data from the humidity sensor; anda gas sensor for measuring adverse/undesirable components in the produced vapour, such that when the device controller determines that a substrate is genuine, based on the measurement data from the humidity sensor, said gas sensor takes measurement of the generated vapour.2. The vapour generating device according to claim 1, wherein the device controller is arranged to control the device in dependence upon the data from the humidity sensor, and switches the oven off if the data from the humidity sensor is determined by the device controller as being outside of a predetermined range of acceptable values from the humidity sensor.3. The vapour generating device according to claim 1, further comprising an automatic flow control mechanism comprising a flow control element positioned between the oven and the outlet, and an actuator for actuating the flow control element, wherein, the automatic flow control mechanism is arranged to cause the actuator to adjust the flow control element based on the measurement data from the humidity sensor under the control of the device controller.4. The vapour generating device according to claim 3, further comprising a pressure sensor, wherein said automatic flow control mechanism is arranged to cause the actuator to adjust the flow control element based on measurement data from the humidity sensor and pressure data from the pressure sensor.5. The vapour generating device according to claim 4, wherein the pressure sensor is a multi-value pressure sensor arranged to measure different pressure values.6. The vapour generating device according to claim 4, wherein the pressure sensor is arranged to detect a puff on the device by a user in use, such that, when a puff is taken, the pressure sensor detects the puff and provides a signal for activating the oven and the humidity sensor.7. The vapour generating device according to claim 4, wherein the pressure sensor is further configured to measure a pressure level of a puff applied to the device in use, such that when the device controller determines that the substrate is genuine, based on the measurement data from the humidity sensor, based on said pressure level, said actuator adjusts said flow control element in order to regulate a resistance to draw (RTD).8. The vapour generating device according to claim 3, wherein the humidity sensor is located upstream of said automatic flow control mechanism and in, or in the vicinity of, the airflow passageway in order to detect vapour passing through the airflow passageway.9. The vapour generating device according to claim 3, wherein the device controller is further arranged to automatically deactivate the oven and/or cause the actuator to close the flow control element to prevent generated vapour from being inhaled by a user in use if the detected humidity of the generated vapour is determined to be outside of a pre-determined acceptable range.10. The vapour generating device according to claim 3, wherein said automatic flow control mechanism is arranged to close when a detected gas is determined to be not acceptable based on the measurements of the gas sensor.11. The vapour generating device according to claim 3, wherein the flow control element is one of: a shutter, a valve, an inlet, and a rotary hole closure mechanism.


[EN] A sheet (100) having a front surface and a rear surface, the sheet (100) configured for linking a first electronic device (200) with a second electronic device (300), including a first communication device (10) for wirelessly connecting to the first electronic device (200), a second communication device (20) for wirelessly connecting to the second electronic device (300), at least one switch element (40, 42, 44, 46) operatively connected to the first communication device (10) or the second communication device (20), and a data communication link (90) between the first communication device (10) and the second communication device (20). [EN] 27 CLAIMS 1. A sheet (100) having a front surface (101) and a rear surface (102), the sheet (100) configured for linking a first electronic device (200) having a user interface (210) with a second electronic device (300), comprising: a first communication device (10) for wirelessly connecting to the first electronic device (200); a second communication device (20) for wirelessly connecting to the second electronic device (300); at least one switch element (40, 42, 44, 46) operatively connected to the first communication device (10) or the second communication device (20); and a bidirectional data communication link (90) between the first communication device (10) and the second communication device (20).2. The sheet (100) according to claim 1, further comprising: a first graphical element (50) viewable on the front surface (101) of the sheet (100), the first graphical element (50) configured to indicate an area for placing the first electronic device (200) onto the sheet (100); and a second graphical element (60) viewable on the front surface (101) of the sheet (100), the second graphical element (60) configured to indicate an area for placing the second electronic device (300) onto the sheet (100); and a third graphical element (55) viewable on the front surface (101) of the sheet (100) for indicating an area for activating the at least one switch element (40, 42, 44, 46).3. The sheet (100) according to claim 2, further comprising: a text element (80, 82, 84, 86) viewable on the front surface of the sheet (100), the text element (80, 82, 84, 86) visually associated with the at least one switch element (40, 42, 44, 46).4. The sheet (100) according to claim 1, wherein the sheet (100) includes conductive tracks (41, 43, 45, 47, 49), the conductive tracks (41, 43, 45, 47, 49) providing for the interconnection between the at least one switch element (40, 42, 44, 46) and the first communication device (10) or the second communication device (20).5. The sheet (100) according to claim 1, wherein the first communication device (10) includes an NFC antenna (14) and a NFC chip (12), and the second communication device (20) includes an NFC antenna (24) and a NFC chip (22).6. The sheet (100) according to claim 1, wherein the first electronic device (200) includes a smart phone having a display screen (210).7. The sheet (100) according to claim 5, wherein one of the at least one switch element (40, 42, 44, 46) is configured to close an electric circuit formed between the switch element (40, 42, 44, 46), and the NFC communication circuit (12) or the NFC communication circuit (22) upon pressing or otherwise activating the one switch element (40, 42, 44, 46).8. The sheet (100) according to claim 5, wherein upon pressing or otherwise activating the one switch element (40, 42, 44, 46), the first communication device (10) is configured to send a first instruction to the second communication device (20) via the data communication link (90) after receiving data from the first electronic device (200), and the second communication device (20) is configured to send a second instruction to the second electronic device (300).9. The sheet (100) according to claim 5, wherein upon pressing or otherwise activating the one switch element (40, 42, 44, 46), the first communication device (10) is configured to send a first instruction to the second communication device (20) via the data communication link (90), and the second communication device (20) is configured to send a second instruction to the second electronic device (300) to receive data from the second electronic device (300).10. The sheet (100) according to claim 9, wherein the NFC communication chip (22) is configured to read status information from the second electronic device (300).11. The sheet (100) according to claim 10, wherein the second electronic device (300) includes an electronic cigarette, and wherein the status information includes at least one of a level of a battery of the electronic cigarette (300), a fill level of a container of the electronic cigarette (300), a number of remaining puffs based on the level of the battery of the electronic cigarette (300), a power setting of a heater of the electronic cigarette (300), a total number of puffs performed by the electronic cigarette (300), version information ofthe electronic cigarette (300), and identification information of the electronic cigarette (300).12. The sheet (100) according to claim 5, wherein the NFC communication chip (22) is configured to send parameter information to the second electronic device (300), the parameter information configuring an operation of the second electronic device (300).13. The sheet (100) according to claim 5, wherein the NFC antenna (14) is configured to receive electric power from an NFC antenna of the first electronic device (200), or the NFC antenna (24) is configured to receive electric power from an NFC antenna of the second electronic device (300), or both the NFC antennas (14) and (24) are configured to receive electric power from both the first and second electronic devices (200), (300).14. A system (500) comprising: a sheet (100) having a front surface and a rear surface; a first electronic device (200) having a display (210), and a second electronic device (300), wherein the sheet (100) includes, a first communication device (10) for wirelessly connecting to the first electronic device (200); a second communication device (20) for wirelessly connecting to the second electronic device (300); at least one switch element (40, 42, 44, 46) operatively connected to the first communication device (10) or the second communication device (20); and a data communication link (90) between the first communication device (10) and the second communication device (20).15. A method (M100) for writing or reading information between a first electronic device (200) and a second electronic device (300) via a sheet (100), the sheet (100) having a first a first communication device (10) for wirelessly connecting to the first electronic device (200), a second communication device (20) for wirelessly connecting to the second electronic device (300), and a data communication link (90) for communicating between the first and second communication devices (10), (20), the method (M100) comprising the steps of: placing the first and the second electronic devices (200), (300) onto the sheet (100); pressing a switch (40) of the sheet (100) to launch an application software on the first electronic device (200) via the first communication device (10); pressing a switch (42) of the sheet (100) to trigger a data transfer from the first electronic device (200) to the second electronic device (300) via the data communication link (90), or pressing a switch (44) to trigger a data transfer from the second electronic device(300) to the first electronic device (200) via the data communication link (90).16. A sheet (100) having a front surface (101) and a rear surface (102), the sheet (100) configured for wirelessly linking to at least one electronic device (200, 300), comprising: a first communication device (10) and a second communication device (20), at least one of the first or second communication devices being configured for wirelessly connecting to the at least one electronic device (200, 300); at least one switch element (40, 42, 44, 46) operatively connected to the first communication device (10) or the second communication device (20); and a bidirectional data communication link (90) between the first communication device (10) and the second communication device (20). 3117. The sheet (100) according to claim 16, further comprising: graphical elements (50, 55, 60) viewable on the front surface (101) of the sheet (100), to indicate an area for placing the at least one electronic device (200, 300) onto the sheet (100) and for indicating an area for activating the at least one switch element (40, 42, 44, 46).18. The sheet (100) according to claim 16, wherein the sheet (100) includes conductive tracks (41, 43, 45, 47, 49), the conductive tracks (41, 43, 45, 47, 49) providing for the interconnection between the at least one switch element (40, 42, 44, 46) and the first communication device (10) or the second communication device (20).19. The sheet (100) according to claim 16, wherein at least one of the first and second communication devices (10, 20) includes an NFC antenna (14, 24) and an NFC chip (12, 22), the other one of the first and second communication devices (10, 20) comprising at least a non-volatile memory.20. The sheet (100) according to claim 19, wherein one of the at least one switch element (40, 42, 44, 46) is configured to close an electric circuit formed between the switch element (40, 42, 44, 46), the NFC chip (12, 22) and the non-versatile memory upon pressing or otherwise activating the one switch element (40, 42, 44, 46).21. The sheet (100) according to claim 19, wherein the NFC chip (12, 22) is configured to send parameter information stored in the non-versatile memory to the electronic device (200, 300), the parameter information configuring an operation of the electronic device (300).22. The sheet (100) according to any one of claims 19-21, wherein the NFC communication chip (12, 22) is configured to read status information from at least one electronic device (200, 300). 3223. The sheet (100) according to claim 22, wherein the at least one electronic device (300) includes an aerosol-generation device, and wherein the status information includes at least one of a version information of the aerosol-generation device (200, 300), and identification information ofthe aerosol-generation device (300).24. The sheet (100) according to any one of claims 19-23, wherein the NFC antenna (14, 24) is configured to receive electric power from an NFC antenna of the at least one electronic device (200, 300).25. The sheet (100) according to any one of claims 16 - 18, configured for linking a first electronic device (200) with a second electronic device (300) wherein both the first and second communication devices (10, 20) include an NFC antenna (14, 24) and a NFC chip (12, 22)26. The sheet (100) according to claim 25, wherein the first electronic device (200) is a passive NFC-enabled device, in particular a smart card.27. The sheet (100) according to claim 22, wherein one of the at least one switch element (40, 42, 44, 46) is configured to close an electric circuit formed between the switch element (40, 42, 44, 46), and the NFC chip (12) or the NFC chip (22) upon pressing or otherwise activating the one switch element (40, 42, 44, 46).28. The sheet (100) according to claim 25, wherein upon pressing or otherwise activating the one switch element (40, 42, 44, 46), the first communication device (10) is configured to send a first instruction to the second communication device (20) via the data communication link (90) after receiving data from the first electronic device (200), and the second communication device (20) is configured to send a second instruction to the second electronic device (300). 3329. The sheet (100) according to any one of claims 25-28, wherein the NFC communication chip (12, 22) is configured to read status information from the second electronic device (200, 300).30. The sheet (100) according to claim 29, wherein the second electronic device (300) includes an aerosol-generation device, and wherein the status information includes at least one of a version information of the aerosol-generation device (200, 300), and identification information ofthe aerosol-generation device (300).31. The sheet (100) according to claim 26, wherein each NFC antenna (14, 24) is configured to receive electric power from an NFC antenna of the second electronic device (300),32. A method for pairing a first electronic device (200) with a second electronic device (300) by the use of a sheet (100) for establishing a wireless communication between the first and second electronic devices (200, 300), the method comprising the steps of: placing the first electronic device (200) and the second electronic device (300) onto or in close proximity to the sheet (100), the sheet (100) including a first communication device (10) and a second communication device (20) and a data communication link (90) for data communication between the first and second communication devices (10, 20), at least one of the first or second communication devices (10, 20) being configured for wirelessly connecting to the at least one electronic device (200, 300); and exchanging wireless communication configuration information between the first and second electronic device (200, 300) via the first and second communication device (10, 20) and the data communication link (90).33. The method of claim 32, wherein the wireless communication configuration information includes at least one Bluetooth communication parameter for allowing a direct Bluetooth data communication between the first and second electronic devices (200, 300). 3434. The method of claim 32, wherein the sheet (100) further includes at least one switch element (40, 42, 44, 46) operatively connected to the first communication device (10) or the second communication device (20), and wherein the step of exchanging is performed upon a pressing or activating of one of the at least one switch elements (40, 42, 44, 46).


[EN] The invention concerns an aerosol-generating device (100) comprising a heating cavity (120) and an electrical heating system (130) comprising at least one heater (134) configured to heat an aerosol-generating article (1) received in said heating cavity (120). According to the invention, the heating cavity (120) comprises at least one active surface (190) having photocatalytic properties, as an anti-residue surface. [EN] Claims 1.An aerosol-generating device (100, 700) comprising: - a heating cavity (120) extending along a longitudinal axis (Z) and provided with an opening (122) at one insertion end (120a), the heating cavity (120) being adapted to receive at least part of an aerosol-generating article (1) inserted through said opening (122), and - an electrical heating system (130) comprising an electrical power source (132) and at least one heater (134) powered by said electrical power source (132), the heater (134) being configured to heat an aerosol-generating article (1) received in said heating cavity (120), the aerosol-generating device (100,..., 700) being characterized in that the heating cavity (120) comprises at least one active surface (190) having photocatalytic properties.2. The aerosol-generating device (100,..., 700) according to claim 1, wherein said at least one active surface (190) is part of a photocatalytic structure (150) formed of a photocatalytic material.3. The aerosol-generating device (100,..., 700) according to claim 2, wherein said photocatalytic material comprises at least one photocatalyst among any one of: TiO2, ZnO, SnO2, Fe2O, WO2, ln2Os, C3N4.4. The aerosol-generating device (100,..., 700) according to claim 2 or 3, wherein at least 20 percent, preferably at least 50 percent, more preferably at least 75 percent by weight of the photocatalytic material is formed of a photocatalyst.5. The aerosol-generating device (100, 200, 300, 500, 600, 700) according to any one of claims 2 to 4, wherein said photocatalytic structure (150) is a photocatalytic coating or film.6. The aerosol-generating device (100, 200, 300, 400, 600, 700) according to any one of claims 1 to 5, wherein said at least one active surface (190) forms at least part of a lateral surface (1201) and/or a bottom surface (1202) of the longitudinal heating cavity (120).7. The aerosol-generating device (100, 700) according to any one of claims 1 to 6, wherein said at least one active surface (190) is at least partially aligned with the heater (134) in a transversal direction orthogonal to the longitudinal axis (Z).8. The aerosol-generating device (100, 200, 300, 400, 500) according to any one of claims 1 to 7, further comprising at least one light source (160) configured to illuminate at least a portion of said active surface (190).9. The aerosol-generating device (100, 200, 300, 400, 500) according to claim 8, wherein said light source (160) is chosen among one of: a LED, a semiconductor laser, a superluminescent diode.10. The aerosol-generating device (100, 200, 300, 400, 500) according to claim 8 or 9, wherein said light source (160) is a pulsed light source.11. The aerosol-generating device (600) according to any one of claims 1 to 10, comprising an outer body (610) having a window (680) configured to transmit light from a light source situated outside said device to said active surface (690).12. A cleaning device (10) adapted for cleaning a heating cavity (120) of an aerosol-generating device (100,..., 700) according to any one of claims 1 to 11, said cleaning device (10) comprising a rod (12) and at least one light source (14a, 14b, 14c) fixed to said rod (12), said at least one light source (14a, 14b, 14c) being configured to emit light having a wavelength of less than 485nm, preferably less than 450nm, even more preferably less than 380nm.13. The cleaning device (10) according to claim 12, further comprising at least one brush (16) fixed to said rod (12).14. Method for reducing the contamination of a heating cavity (120) of an aerosolgenerating device (100,..., 700) according to any one of claims 1 to 11, comprising at least the step of illuminating said at least one active surface (190) before, during or after the use of said aerosol-generating device with a light source (160, 14a, 14b, 14b) or by light provided by the environment of said device (100,..., 700).15. Method according to claim 14, further comprising the steps of: - introducing the cleaning device (10) according to claim 12 or 13 into said longitudinal heating cavity (120); - operating the at least one light source (14a, 14b, 14c) of said cleaning device in front of said at least one active surface (190).


[EN] An aerosol generating article (1, 2, 3, 4) for use with an aerosol generating device (102) comprises a substantially planar aerosol generating substrate (14), at least one channel- forming strip (40) extending along the substantially planar aerosol generating substrate (14), and a wrapping member (22) surrounding the substantially planar aerosol generating substrate (14) and the at least one channel-forming strip (40). The aerosol generating substrate (14) comprises an aerosol generating material that generates an aerosol when heated by the aerosol generating device (102). The at least one channel- forming strip (40) comprises a meltable material which is configured to melt to form an airflow channel (16) when heated by the aerosol generating device (102). The meltable material does not comprise any active agents capable of releasing volatile components into the generated aerosol when the meltable material is heated by the aerosol generating device (102), and may comprise a non-toxic material such as wax. [EN] Claims 1. An aerosol generating article (1, 2, 3, 4) for use with an aerosol generating device (102), the aerosol generating article comprising: a substantially planar aerosol generating substrate (14) comprising an aerosol generating material for generating an aerosol when heated by the aerosol generating device (102); at least one channel-forming strip (40) extending along the substantially planar aerosol generating substrate (14); and a wrapping member (22) surrounding the substantially planar aerosol generating substrate (14) and the at least one channel-forming strip (40); wherein the at least one channel-forming strip (40) comprises a meltable material configured to melt to form an airflow channel (16) when heated by the aerosol generating device (102) and wherein the meltable material does not comprise any active agents capable of releasing volatile components into the generated aerosol when the meltable material is heated by the aerosol generating device (102).2. An aerosol generating article according to claim 1, wherein the aerosol generating article includes a distal end (10), a mouth end (12), a longitudinal axis extending between the mouth end (12) and the distal end (10), and the at least one channel-forming strip (40) extends in a first direction substantially parallel to the longitudinal axis.3. An aerosol generating article according to claim 1 or claim 2, wherein the at least one channel-forming strip (40) is positioned in a groove (18) formed in a surface (14a) of the substantially planar aerosol generating substrate (14).4. An aerosol generating article according to claim 3, wherein the aerosol generating substrate (14) includes a plurality of said grooves (18) arranged side by side to form a fluted surface (20) and a channel-forming strip (40) is positioned in each groove (18).5. An aerosol generating article according to claim 1 or claim 2, wherein the at least one channel-forming strip (40) is positioned in a passage (30) formed internally within the aerosol generating substrate (14).6. An aerosol generating article according to any preceding claim, wherein: the aerosol generating substrate (14) comprises a plurality of aerosol generating strips (32) extending in a first direction and arranged intermittently in a second direction perpendicular to the first direction; the aerosol generating article comprises a plurality of said channel -forming strips (40) and one of said channel-forming strips (40) is positioned between each pair of intermittently arranged aerosol generating strips (32).7. An aerosol generating article according to any preceding claim, wherein the substantially planar aerosol generating substrate (14) has aflat rectangular shape having a pair of main surfaces (14a, 14b) and the wrapping member (22) comprises a pair of rectangular sheets (24, 26) attached, respectively, to the pair of main surfaces (14a, 14b).8. An aerosol generating article according to any preceding claim, wherein the aerosol generating article comprises a support member (28) forming a mouth-end portion (34) of the article, and the support member (28) has a tubular form to receive a downstream end of the aerosol generating substrate (14) and the at least one channel forming strip (40).9. An aerosol generating article according to any preceding claim, wherein the wrapping member (22) has a porous inner surface (22a) facing towards the aerosol generating substrate (14) for absorbing condensation and an anti-stick outer surface (22b) facing away from the aerosol generating substrate (14).10. An aerosol generating article according to claim 9, wherein the wrapping member (22) comprises an anti-stick coating on the outer surface (22b).11. An aerosol generating system (100) comprising: an aerosol generating article (1, 2, 3, 4) according to any preceding claim; and an aerosol generating device (102) adapted to receive the aerosol generating article, the aerosol generating device (102) comprising a heating element (104) configured to heat the substantially planar aerosol generating substrate (14) and the at least one channel-forming strip (40), wherein the heating element (104) is controlled during use to heat the at least one channel -forming strip (40) to a temperature at or above a threshold temperature to melt the at least one channel-forming strip (40) and thereby form an airflow channel (16).12. A method of manufacturing an aerosol generating article (1, 2, 3, 4) for use with an aerosol generating device (102), the method comprising: providing a substantially planar aerosol generating substrate (14) comprising an aerosol generating material for generating an aerosol when heated by the aerosol generating device (102); providing at least one channel -forming strip (40) to extend along the substantially planar aerosol generating substrate (14); and wrapping the substantially planar aerosol generating substrate (14) and the at least one channel -forming strip (40) with a wrapping member (22); wherein the at least one channel-forming strip (40) comprises a meltable material configured to melt to form an airflow channel (16) when heated by the aerosol generating device (102) and wherein the meltable material does not comprise any active agents capable of releasing volatile components into the generated aerosol when the meltable material is heated by the aerosol generating device (102).


[EN] An aerosol-generating device includes a vapor generation unit, at least one reservoir configured to store an aerosol forming material, and a filter disposed so as to remove particles from the aerosol forming material passing from the at least one reservoir to the vapor generation unit, the vapor generation unit including a micro electro-mechanical system (MEMS). The aerosol-generating device is configured to heat the filter so as to heat the aerosol forming material passing through it. [EN] 1. An aerosol-generating device comprising a vapor generation unit, at least one reservoir configured to store an aerosol forming material, and a filter disposed so as to remove particles from said aerosol forming material passing from said at least one reservoir to the vapor generation unit, the vapor generation unit comprising a micro electro-mechanical system (MEMS), wherein the filter is configured to heat the aerosol forming material passing through the filter.2. The aerosol-generating device according to claim 1 wherein the micro electro-mechanical system of the vapor generation unit comprises at least one MEMS die.3. The aerosol-generating device according to claim 1, wherein the filter is located adjacent to the vapor generation unit.4. The aerosol-generating device according to claim 1, wherein the filter is located below the vapor generation unit in a longitudinal direction of the aerosol-generating device when the aerosol-generating device is in a use position.5. The aerosol-generating device according to claim 1, wherein the filter is in contact with the vapor generation unit.6. The aerosol-generating device according to claim 1, wherein the filter comprises a mesh.7. The aerosol-generating device according to claim 6, wherein said filter comprises at least one wire configured to heat all or part of the rest of the filter by conduction when power is applied to the at least one wire.8. The aerosol-generating device according to claim 7, wherein said at least one wire of the filter extends through the mesh.9. The aerosol-generating device according to claim 7, wherein said at least one wire is embedded in the mesh.10. The aerosol-generating device according to claim 7, wherein said at least one wire is in contact with at least 30 percent of a lateral surface of the mesh.11. The aerosol-generating device according to claim 7, wherein said at least one wire is a resistance wire adapted to convert electrical energy into heat when power is applied to the at least one wire.12. The aerosol-generating device according to claim 7, wherein said at least one wire is configured to be heated by an external heating source, such as a resistive heater.13. The aerosol-generating device according to claim 7, wherein it further comprising an induction coil configured to inductively heat said at least one wire.14. The aerosol-generating device according to claim 6, wherein the mesh has a porosity lower than 50 percent.15. The aerosol-generating device according to claim 1, wherein it further comprising a battery configured to directly heat the filter.16. The aerosol-generating device according to claim 1, wherein the filter is configured to be heated so as to bring the aerosol forming material to a temperature ranging between 50 degrees centigrade to 100 degrees centigrade17. The aerosol-generating device according to claim 6, wherein the mesh is made of stainless-steel material.18. The aerosol-generating device according to claim 7, wherein said at least one wire is in contact with at least 60 percent of a lateral surface of the mesh.19. The aerosol-generating device according to claim 6, wherein the mesh has a porosity equal to 34 percent.


[EN] A component is provided for an aerosol generating system; wherein at least a portion of the exterior of the component includes antimicrobial particles; and wherein the antimicrobial particles include monovalent copper compound particles. By providing the component in this manner, the likelihood of harmful bacteria or viruses being transmitted via the component is reduced. [EN] 1-14. (canceled)15. A component for an aerosol generating system; wherein at least a portion of an exterior of the component comprises antimicrobial particles;wherein the antimicrobial particles comprise monovalent copper compound particles.16. The component according to claim 15, wherein the monovalent copper compound particles comprise monovalent copper compound nanoparticles.17. The component according to claim 15, wherein the antimicrobial particles are arranged throughout the portion.18. The component according to claim 15, wherein the portion comprises a coating; and the antimicrobial particles are arranged throughout the coating.19. The component according to claim 15, wherein the portion is configured to be held by a user.20. The component according to claim 15, wherein the portion of the exterior of the component comprises a first area and a second area; and a concentration of the antimicrobial particles in the first area is greater than a concentration of the antimicrobial particles in the second area.21. The component according to claim 15, wherein the component is an aerosol generating device.22. The component according to claim 15, wherein the component is an accessory for the aerosol generating system.23. The component according to claim 15, wherein the component is a cartridge for an aerosol generating device.24. The component according to claim 15, wherein the exterior of the component comprises a polymer.25. A method for producing a component for an aerosol generating system, the method comprising: covering at least a portion of an exterior of the component with a coating;wherein the coating comprises antimicrobial particles, and the antimicrobial particles comprise monovalent copper compound particles.26. The method according to claim 25, wherein before the step of covering, the method further comprises: dispersing the antimicrobial particles through a coating fluid to form the coating.27. A method for producing a component for an aerosol generating system, the method comprising: providing a component portion material;dispersing antimicrobial particles throughout the component portion material to form an antimicrobial material, wherein the antimicrobial particles comprise monovalent copper compound particles; andforming at least a portion of the component from the antimicrobial material.28. The method according to claim 27, wherein the component portion material comprises a textile material, and the step of dispersing the antimicrobial particles comprises: arranging the antimicrobial particles throughout a fibre network of the textile material.29. The method according to claim 27, wherein the component portion material comprises a polymer, and the step of dispersing the antimicrobial particles comprises: dispersing the antimicrobial particles throughout the polymer.


[EN] A liquid container having an aerosol forming liquid for an electronic cigarette, the liquid container including a primary liquid component including nicotine, and a secondary liquid component, wherein the primary and secondary liquid components are immiscible to form an interfacial tension surface between a first volume in the liquid container having the primary liquid component and a second volume in the liquid container having the secondary liquid component to fully separate the primary and secondary liquid components from each other. [EN] 1. A liquid container having an aerosol forming liquid for an electronic cigarette comprising: a primary liquid component including nicotine; anda secondary liquid component,wherein the primary and secondary liquid components are immiscible to form an interfacial tension surface between a first volume in the liquid container having the primary liquid component and a second volume in the liquid container having the secondary liquid component to fully separate the primary and secondary liquid components.2. The liquid container according to claim 1, wherein a composition of the secondary liquid component differs from a composition of the primary liquid component in at least one of nicotine concentration, electric conductivity, dielectric constant, flavor, color, degree of transparency, and degree of light diffusion.3. The liquid container according to claim 1, wherein a composition of the secondary liquid component differs from a composition of the primary liquid component in at least one of polarity, specific weight, or material density, to provide for the immiscibility between the primary liquid component and the secondary liquid component.4. The liquid container according to claim 1, wherein the primary liquid component includes propylene glycol (PG), vegetable glycerin (VG), and water, and the secondary liquid component includes polydimethylsiloxane (PDMS).5. The liquid container according to claim 3, wherein the primary liquid component includes a hydrocarbon chain that is different in a number of carbon atoms from a hydrocarbon chain of the secondary liquid component to provide for a different polarity between the primary liquid component and the secondary liquid component.6. The liquid container according to claim 1, wherein a quantity of the primary liquid component is at least 80 percent in volume of the aerosol forming liquid.7. The liquid container according to claim 1, wherein a specific weight of the primary liquid component is higher than a specific weight of the secondary liquid component.8. The liquid container according to claim 1, wherein the first volume and the second volume are completely separated and non-dispersed to form two contiguous volumes of liquid inside the liquid container.9. The liquid container according to claim 1, wherein the liquid container does not have a separation wall for separating the primary and secondary liquid components.10. An electronic cigarette system comprising: a liquid container for holding an aerosol forming liquid;a vapor generation unit for atomizing the aerosol forming liquid-; andan inhalation channel for providing atomized liquid from the vapor generation unit to a user; anda detection sensor for detecting whether a primary liquid component of the aerosol forming liquid has been substantially consumed.11. The electronic cigarette system of claim 10, wherein the detection sensor is configured to detect an electric conductivity of the aerosol forming liquid to determine whether the primary liquid component has been substantially consumed.12. The electronic cigarette system of claim 11, wherein the detection sensor includes two electrodes that are arranged to be in electric connection with the aerosol forming liquid when the aerosol forming liquid is disposed in the liquid container.13. The electronic cigarette system of claim 10, wherein the detection sensor is configured to detect an impedance of the aerosol forming liquid to determine whether the primary liquid component has been substantially consumed.14. The electronic cigarette system of claim 13, wherein the detection sensor includes two electrodes that are arranged to measure a dielectricity of the aerosol forming liquid when the aerosol forming liquid is disposed in the liquid container.15. The electronic cigarette system of claim 10, wherein the detection sensor is configured to detect a degree of transparency of the aerosol forming liquid to determine whether the primary liquid component has been substantially consumed.16. The electronic cigarette system of claim 15, wherein the detection sensor includes a light source and a photodetector, the light source and the photodetector arranged such that a light emitted by the light source traverses the aerosol forming liquid to reach the photodetector when the aerosol forming liquid is disposed in the liquid container.17. The electronic cigarette system of claim 10, wherein the vapor generation unit includes a micro-electro-mechanical system type having heating channels for atomizing the aerosol forming liquid.18. The electronic cigarette system of claim 10, further comprising: a controller that is in operative connection with the detection sensor and the vapor generation unit, the controller configured to disable the vapor generation unit when the detection sensor has detected that the primary liquid component has been substantially consumed.19. The electronic cigarette system of claim 10, further comprising: a fluidic channel to provide for a fluidic connection between the liquid container and the vapor generation unit,wherein the detection sensor is arranged to detect a characteristic of the aerosol forming liquid in the fluidic channel in proximity upstream of the vapor generation unit to determine whether the primary liquid component has been substantially consumed.20. The electronic cigarette system of claim 10, further comprising an aerosol forming liquid disposed in the liquid container and including a primary liquid component having nicotine and a secondary liquid component, the primary and secondary liquid components being immiscible.


[EN] The present invention concerns a method for controlling a heating system for an aerosol generation assembly containing a vaporizable material. The method includes controlling the temperature of a susceptor, during a pre heating phase, based on at least one vaporizable material characteristic inherent to the vaporizable material, at least one device characteristic inherent to the aerosol generation assembly, or on an ambient characteristic inherent to the ambient area; andcontrolling the temperature of the susceptor, during a heating phase, based on temperature measurements provided by a heating temperature sensor and a predetermined offset. [EN] 1. A method for controlling a heating system for an aerosol generation assembly, the aerosol generation assembly comprising a storage portion for storing a vaporizable material, the heating system comprising a susceptor arranged in the storage portion and a heating temperature sensor arranged adjacent to the storage portion or inside the storage portion, and configured to measure the temperature of the vaporizable material; the method comprising: controlling a temperature of the susceptor, during a pre heating phase, based on at least one vaporizable material characteristic inherent to the vaporizable material, or based on at least one device characteristic inherent to the aerosol generation assembly, or based on an ambient characteristic inherent to the ambient area;controlling the temperature of the susceptor, during a heating phase, based on temperature measurements provided by the heating temperature sensor and a predetermined offset of said temperature measurements.2. The method according to claim 1, wherein the at least one vaporizable material characteristic corresponds to an element chosen in the group comprising: vaporizable material composition;consistency in the vaporizable material manufacturing;dimensions of at least one vaporizable material component; orconcentration of at least one vaporizable material component.3. The method according to claim 1, wherein the at least one device characteristic corresponds to an element chosen in the group comprising: storage portion design;susceptor design;susceptor material;susceptor arrangement in the storage portion; orageing of at least one electrical component of the aerosol generation assembly.4. The method according to claim 1, wherein the ambient characteristic corresponds to the ambient temperature measured by the aerosol generation assembly or the temperature of closely surrounding the aerosol generation assembly.5. The method according to claim 1, wherein the pre-heating phase comprises controlling the temperature of the susceptor based on at least one vaporizable material characteristic and least one device characteristic.6. The method according to claim 5, wherein the temperature of the susceptor is further controlled based on the ambient characteristic during the pre-heating phase.7. The method according to claim 1, wherein the pre-heating phase is performed during a predetermined time interval after activation of the aerosol generation assembly.8. The method according to claim 7, wherein said predetermined time interval is less than about 10 seconds.9. The method according to claim 1, wherein the predetermined offset presents a constant value over time.10. The method according to claim 1, wherein the temperature of the susceptor is controlled according to a predetermined pre-heating temperature profile during the pre-heating phase and according to a predetermined heating temperature profile during the heating phase.11. The method according to claim 10, wherein the temperature of the susceptor is controlled according to the predetermined pre-heating temperature profile during the pre-heating phase and according to the predetermined heating temperature profile during the heating phase by controlling heat generation on the susceptor.12. The method according to claim 1, further comprising controlling the vaporizable material, during a controlling phrase, by comparing temperature measurements provided by the heating temperature sensor with a predetermined behaviour profile.13. The method according to claim 12, wherein the controlling phase further comprises stopping operation of the aerosol generation assembly if said temperature measurements do not match the predetermined behaviour profile.14. The method according to claim 12, wherein the controlling phase is carried out during the pre-heating phase.15. An aerosol generation assembly comprising a storage portion for storing a vaporizable material and a heating system controlled by a method according to claim 1.16. The method according to claim 8, wherein said predetermined time interval is between 2 and 5 seconds.17. The method according to claim 16, wherein said predetermined time interval is substantially equal to 2 seconds.


[EN] A method of configuring a personal computing device for communication with an aerosol generation device involves a Progressive Web Application, PWA. A native application launches a web browser on the personal computing device and the web browser launches the PWA. The native application provides a resource to the web browser, which resource causes the web browser to process a call received by the web browser from the PWA intended for the aerosol generation device by directing a command based on the call to the native application. The command allows the native application to cause the personal communication device to communicate with the aerosol generation device over the short-range wireless communication connection. [EN] 1. A method of configuring a personal computing device for communication with an aerosol generation device over a short-range wireless communication connection, the method comprising: a native application launching a web browser on the personal computing device;the web browser launching a progressive web application, PWA, on the personal computing device; andthe native application providing a resource to the web browser, which resource causes the web browser to process a call received by the web browser from the PWA intended for the aerosol generation device by directing a command based on the call to the native application, the command causing the native application to cause the personal communication device to communicate with the aerosol generation device over the short-range wireless communication connection.2. The method of claim 1, wherein the resource comprises computer code defining operations of the web browser.3. The method of claim 1, wherein the command comprises computer code defining operations of the native application.4. The method of claim 1, wherein the resource is provided as an object of the web browser.5. The method of claim 1, comprising providing the resource in a Document Object Model of the PWA.6. The method of claim 1, wherein the native application causes the personal communication device to communicate with the aerosol generation device over the short-range wireless communication connection by communicating with a wireless communication controller of the personal computing device.7. The method of claim 1, wherein the short-range wireless communication connection is a Bluetooth(R) connection.8. The method of claim 1, wherein the call is for initiating the short-range wireless communication with the aerosol generation device and in response to the call the native application is configured to return a consumer apparatus identifier received from the aerosol generation device to the web browser.9. The method of claim 8, wherein the consumer apparatus identifier is a Media Access Control (MAC) address for the aerosol generation device.10. The method of claim 1, further comprising the web browser launching the PWA using files for the PWA downloaded from a web server or stored locally at the personal computing device, whereby even if the personal computing device does not presently have an internet connection, the PWA can still run.11. The method of claim 1, wherein the aerosol generation device is an electronic cigarette.12. The method of claim 1, wherein the personal computing device is a mobile personal computing device.13. The method of claim 1, further comprising storing instructions and/or data for implementing one or more functions of the PWA in browser storage of the web browser, such that after the web browser has been closed and subsequently relaunched by the native application the web browser can retrieve the instructions and/or data for implementing the one or more functions of the PWA from the browser storage.14. The method of claim 14, wherein the instructions and/or data for implementing the one or more functions of the PWA comprise(s) information enabling establishment of the short-range wireless communication connection with the aerosol generation device.15. The method of claim 1, further comprising: causing the personal computing device to scan for one or more candidate aerosol generation devices using a short-range wireless communication protocol; andreceiving a consumer apparatus identifier for each of the one or more candidate aerosol generation devices in the vicinity of the personal computing device.16. The method of claim 15, wherein the scanning for the one or more candidate aerosol generation devices is initiated by the native application and preferably wherein the receiving the consumer apparatus identifier(s) for the one or more candidate aerosol generation devices is performed by the native application.17. The method of claim 16, further comprising sending, from the native application to the PWA, the consumer apparatus identifier(s) for the one or more candidate aerosol generation devices.18. The method of claim 17, further comprising the PWA causing the personal computing device to establish the short-range wireless communication connection with the aerosol generation device comprises the PWA determining the aerosol generation device with which to establish the short-range wireless communication connection from the one or more candidate aerosol generation devices.19. The method of claim 18, wherein determining the aerosol generation device with which to establish the short-range wireless communication connection comprises: causing the personal computing device to display a list of the one or more candidate aerosol generation devices; andreceiving a user selection of one of the one or more candidate aerosol generation devices as the aerosol generation device with which to establish the short-range wireless communication connection.20. The method of claim 19, wherein causing the personal computing device to display the list of the one or more candidate aerosol generation devices on the personal computing device and receiving the user selection of one of the one or more candidate aerosol generation devices as the aerosol generation device with which to establish the short-range wireless communication connection is performed by the native application.21. The method of claim 1, further comprising receiving, at the personal computing device, from the aerosol generation device, information indicative of the functioning of the aerosol generation device via the short-range wireless communication connection.22. The method of claim 21, further comprising storing the information indicative of the functioning of the aerosol generation device in the browser storage of the web browser.23. The method of claim 21, further comprising the personal computing device transmitting the information indicative of the functioning of the aerosol generation device to a remote server.24. The method of claim 23, further comprising, prior to transmitting the information indicative of the functioning of the aerosol generation device to the remote server: determining whether a communication connection to the remote server is established at the personal computing device, preferably by determining that the personal computing device has internet access; andin response to determining that the communication connection to the remote server is not established at the personal computing device, causing the communication connection to be set up between the personal computing device and the remote server, preferably by causing the personal computing device to access the Internet.25. The method of claim 1, further comprising sending, from the personal computing device to the aerosol generation device, information for the aerosol generation device via the short-range wireless communication connection, preferably wherein the information for the aerosol generation device comprises one or more settings for the aerosol generation device and/or a firmware update.26. The method of claim 1, further comprising receiving, from the a/the remote server, files for running the PWA.27. A computer program product comprising instructions which, when executed by a computer processor, cause the computer processor to carry out the method of claim 1.28. A personal computing device comprising: storage storing a computer program product comprising instructions which, when executed by a computer processor, cause the computer processor to carry out the method of claim 1; andthe computer processor operable to carry out the method of claim 1.29. A personal computing device configured for communication with an aerosol generation device over a short-range wireless communication connection, the personal computing device comprising a processor configured to cause: a native application to launch a web browser on the personal computing device;the web browser to launch a progressive web application, PWA, on the personal computing device; andthe native application to provide a resource to the web browser, which resource causes the web browser to process a call received by the web browser from the PWA intended for the aerosol generation device by directing a command based on the call to the native application, the command causing the native application to cause the personal communication device to communicate with the aerosol generation device over the short-range wireless communication connection.


[EN] An induction heating assembly for a vapour generating device includes an induction coil and a low-pass filter positioned adjacent to the induction coil. The low-pass filter is electrically connected to the induction coil to act as a low-pass filter for the induction coil and is shaped to extend substantially across at least one side of the induction coil to provide an electromagnetic shield for the induction coil. [EN] 1. An induction heating assembly for a vapour generating device, the induction heating assembly comprising: an induction coil; anda low-pass filter positioned adjacent to the induction coil and shaped to extend substantially across at least one side of the induction coil to provide an electromagnetic shield for the induction coil.2. The induction heating assembly according to claim 1, further comprising: a power source arranged to provide power to the induction coil; anda heating compartment in communication with an air outlet.3. The induction heating assembly according to claim 2, wherein the low-pass filter is positioned between the induction coil and the power source.4. The induction heating assembly according to claim 2, wherein the low-pass filter is positioned between the induction coil and the air outlet.5. The induction heating assembly according to claim 2, further comprising an air inlet in communication with the heating compartment, wherein the low-pass filter is positioned between the air inlet and the power source.6. The induction heating assembly according to claim 1, further comprising a resonant capacitor, wherein the low-pass filter is positioned between the induction coil and the resonant capacitor.7. The induction heating assembly according to claim 1, wherein the low-pass filter comprises a coil.8. The induction heating assembly according to claim 7, wherein the low-pass filter coil comprises a flat coil extending in a plane defined by a winding direction of the coil.9. The induction heating assembly according to claim 8, wherein: the induction coil is helical;the low-pass filter coil is positioned at an axial end of the helical induction coil; andthe plane of the low-pass filter coil is substantially perpendicular to an axial direction of the helical induction coil.10. The induction heating assembly according to claim 1, wherein: the induction coil is helical; andthe low-pass filter is arranged to substantially cover an elongate side of the helical induction coil.11. The induction heating assembly according to claim 7, wherein the low-pass filter comprises a plate member comprising a ferrimagnetic material and the low-pass filter coil is positioned on the plate member.12. The induction heating assembly according to claim 7, wherein the low-pass filter comprises two plate members comprising a ferrimagnetic material and the low-pass filter coil is positioned between the plate members.13. The induction heating assembly according to claim 11, wherein the ferrimagnetic material has a low electrical conductivity and a high magnetic permeability.14. A vapour generating device comprising: the induction heating assembly according to claim 1;a power source arranged to provide power to the induction coil;a heating compartment arranged to receive an induction heatable cartridge;an air inlet arranged to provide air to the heating compartment; andan air outlet in communication with the heating compartment.