Source: https://patents.google.com/patent/CN1854898B/en
Timestamp: 2020-04-03 21:31:44
Document Index: 403154535

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CN1854898B - Coating and developing system - Google Patents
CN1854898B
CN1854898B CN2006100898674A CN200610089867A CN1854898B CN 1854898 B CN1854898 B CN 1854898B CN 2006100898674 A CN2006100898674 A CN 2006100898674A CN 200610089867 A CN200610089867 A CN 200610089867A CN 1854898 B CN1854898 B CN 1854898B
CN2006100898674A
CN1854898A (en
松冈伸明
林田安
2005-03-11 Priority to JP2005069682 priority Critical
2005-03-11 Priority to JP2005-069682 priority
2005-10-12 Priority to JP2005297989A priority patent/JP4685584B2/en
2005-10-12 Priority to JP2005-297989 priority
2006-03-10 Application filed by 东京毅力科创株式会社 filed Critical 东京毅力科创株式会社
2006-11-01 Publication of CN1854898A publication Critical patent/CN1854898A/en
2010-06-09 Publication of CN1854898B publication Critical patent/CN1854898B/en
Coating, developing apparatus
Coating, developing apparatus that substrate after the present invention relates to coating of substrates resist such as a kind of glass substrate of for example semiconductor wafer or LCD being used and making exposure develops.
Usually, use the system that exposure device is connected coating, the developing apparatus of the coating of carrying out resist liquid and development to carry out on the substrate of semiconductor wafer (hereinafter referred to as wafer) etc., obtaining a series of processing of resist figure.
As aforesaid the sort of coating, developing apparatus, coating, developing apparatus with following structure for example disclosed in patent documentation 1: dispose up and down hold before the exposure-processed coated film that wafer is implemented the assembly that coating handles form with module (block) and after holding exposure-processed to the development module of the assembly of wafer enforcement development treatment, one end of each module is connected with the port of loading and unloading wafer, and the other end of each module is connected with exposure device by interface module.In this coating, the developing apparatus,, working procedure of coating is separated with developing procedure carry out, so just can boost productivity owing to have this structure.
In recent years, improved the resolution of exposure device, now, for example, just can carry out exposure-processed with the resolution live width about tens nm (nanometer) by using ArF (argon fluoride) etc. as light source.But because of air pressure and weather etc. can cause the slight change of surrounding environment, for example the focal position of light is expanded, shrinks and have influence on sensitively in the meetings such as holding member of optical system thus, about widely the finishing of resist figure.Therefore, in order to carry out stable exposure-processed all the time, just need for example in one day, to check continually and adjust exposure device.
On the other hand, owing to there being the tendency that reduces the lustration class of ultra-clean chamber for the operating cost that suppresses factory, so the maintenance of just not opening exposure device is with door, and the wafer that will test usefulness by the handling system of processing module from apply, the conveyor module (carrier block) of developing apparatus is transported to the status checking that exposure device carries out exposure device.But, in coating described in the above-mentioned patent documentation 1, the developing apparatus, owing to just must utilize coated film to form to exposure device with module or development module in order to test with carrying wafers, so under coated film being formed or in these modules, produce under the situation such as defective, just can't carry out the status checking and the adjustment of regular or irregular exposure device with the module and the situation about safeguarding of developing with module.Therefore, owing to after waiting for that module and the upkeep operation end of development with module are used in coated film formation, the carrying wafers of test usefulness is carried out status checking, adjustment again to exposure device, so can not promptly handle the product wafer after module is safeguarded, the result will become one of reason of throughput rate decline.
Also have in addition, under situations such as newly-built semi-conductive production line, the starting of shortening device is an important problem.But, in the apparatus structure of patent documentation 1, when coated film forms and not to finish with module or the adjustment with the handling system of module of developing, just can not carry out the adjustment of exposure device, on the other hand, because the adjustment project of adjustment exposure device is a lot of and need carry out inching, so will take a long time, based on this, just there is the situation of the starting that is difficult to shorten device.
Patent documentation 1: No. 3337677 communique of Jap.P.
The present invention makes in these cases, and its purpose is that providing a kind of can carry out coating, the developing apparatus that exposure device is safeguarded by desirable timing.
In coating of the present invention, the developing apparatus, the substrate that utilizes conveyor to move in the conveyor module is consigned to processing module, manage herein and form the coated film that contains photosensitive material sheet in the module, then, be transported to exposure device by interface module, will in above-mentioned processing module, carry out development treatment via the substrate that above-mentioned interface module is returned after the exposure that comes, and consign to above-mentioned conveyor module, it is characterized in that
A) above-mentioned processing module comprises: extend to coated film interface module one side, that be used to form the film that contains the coated film that is formed by photosensitive material from conveyor module one side respectively and form and use module; And form with module and stacked development module with respect to this coated film,
B) above-mentioned coated film forms with module and develops and comprises with module: be used for liquid-treatment unit, heated substrates to the coating of substrates soup heating unit, cooling base cooling unit and between these unit the module Handling device of carrying substrate,
C) be provided with through Handling device, this through Handling device carries out stacked with module with module and development with respect to above-mentioned coated film formation, be used for carrying out between conveyor module and interface module the through carrying of substrate,
D) by above-mentioned through Handling device, the substrate that will be formed with coated film is transported to interface module one side from conveyor module one side.
Above-mentioned coated film forms also can comprise a kind of duplexer with module, this duplexer is the module that is used to form resist film, be used for the duplexer that downside at resist film forms the module of antireflection film and is used for forming at the upside of above-mentioned resist film the module of antireflection film, in addition, also can the development module be set at the downside that coated film forms with module.
Above-mentioned through Handling device also can constitute in forming with the module and the carrying module of separating with block region of developing with above-mentioned coated film and move, and in the case, for example between development forms with module with module and coated film above-mentioned carrying module is set.In addition, in this carrying module, be provided with and for example be used for that gas imported this carrying inside modules and make carrying the gas introduction port that inside modules becomes malleation.
Coating of the present invention, developing apparatus also can comprise: a plurality of payment platforms, and configuration also is laminated into mutually and can utilizes coated film formation to carry out substrate payment with the module in the module with Handling device and through Handling device with Handling device, development with the module in the module respectively; And lift transport device, carry out free lifting so that can pay and carry out the substrate payment between the platform at these; The control part that also comprises the carrying of control basal plate, this control part constitutes: can select to be used to check that the test substrate of the state of exposure device is transported to the transport mode of exposure device by through Handling device from the conveyor module.
In addition, between above-mentioned processing module and interface module, coating of the present invention, developing apparatus are provided with supplementary module, and this supplementary module comprises: carry out coated film and form before the post-exposure processing and/or the unit of the processing before the development treatment after the exposure-processed and the payment arm that is used for carrying substrate between these unit, above-mentioned processing module and interface module; Above-mentioned through Handling device comprises: by first through Handling device of above-mentioned processing module and the second through Handling device that passes through above-mentioned supplementary module; In addition, for example between above-mentioned conveyor module and processing module the inspection module is set, this inspection module comprises: the inspection unit that is used to carry out inspecting substrate; And between inspection unit, conveyor module and processing module the payment arm of carrying substrate; Above-mentioned through Handling device also can comprise: the 3rd through Handling device by above-mentioned inspection module and by first of the above-mentioned processing module Handling device that goes directly.
According to the present invention, constitute processing module owing to forming by the coated film that extends to interface module one side from each conveyor module one side with module and the duplexer that develops with module, so realized being provided with the minimizing in space, and, owing to be provided with the through Handling device of the through carrying that is used between conveyor module and interface module, carrying out specially substrate, form with module and develop so just can carry out exposure device, coated film simultaneously, realize the shortening of maintenance time with the maintenance of module.In addition, even because coated film forms with module and develops with module in maintenance, even or when for example producing fault etc. and cause these module failures because of exhaust system, also the test substrate that is used to check the state of exposure device can be transported to exposure device by through Handling device from conveyor module one side, so just can be with the status checking of desirable timing enforcement exposure device.Therefore, after coated film formation is in the state that can turn round with module and development with module, just can forward the processing of product substrate apace to, can suppress the decline of throughput rate.In addition, when Unit Installation is started, the adjustment of Handling device if go directly, just can test the carrying of substrate by utilizing this through Handling device, thereby coated film is formed with module and development carry out the adjustment of exposure device dividually with the adjustment operation of each Handling device of module, the adjustment of exposure device if be through with just can continue to set development conditions, and the result just can shorten the time that device is installed starting.
Fig. 1 is the planimetric map that expression is applicable to coating of the present invention, toning system the embodiment of coating, developing apparatus.
Fig. 2 is the stereographic map of the above-mentioned coating of expression, developing apparatus.
Fig. 3 is the sectional side view of the above-mentioned coating of expression, developing apparatus.
Fig. 4 is the stereographic map of developing cell, canopy unit (shelfunit), principal arm and the exhaust unit of the DEV layer in the above-mentioned coating of expression, the developing apparatus.
Fig. 5 is the planimetric map and the sectional side elevation of the developing cell in the above-mentioned coating of expression, the developing apparatus.
Fig. 6 is the vertical disconnected outboard profile of above-mentioned DEV layer.
Fig. 7 is the stereographic map of an example of the moving part structure of the shuttle arm (shuttle arm) of expression in the above-mentioned DEV layer.
Fig. 8 is the stereographic map of an example of the interface arm in the above-mentioned coating of expression, the developing apparatus.
Fig. 9 is the synoptic diagram of the transportation route of the wafer in the above-mentioned coating of expression, the developing apparatus.
Figure 10 is the planimetric map of expression another coating of the present invention, developing device structure.
Figure 11 is the sectional side view of the above-mentioned coating of expression, developing apparatus.
Figure 12 is the stereographic map that is illustrated in the inspection modular structure that is provided with in above-mentioned coating, the developing apparatus.
Figure 13 is the vertical disconnected planimetric map of configuration that is illustrated in the various piece of the supplementary module that is provided with in above-mentioned coating, the developing apparatus.
Figure 14 is the planimetric map that is illustrated in an example of coating that the hydrophobization unit is set in the above-mentioned inspection module, developing device structure.
Figure 15 is the vertical disconnected planimetric map of above-mentioned coating, developing apparatus.
Below, the embodiment that is connected with the system of exposure device on coating of the present invention, developing apparatus is described.Fig. 1 represents the planimetric map of an embodiment of this system, and Fig. 2 is that simple stereographic map, Fig. 3 of same system is the simple outboard profile of same system.This coating, developing apparatus are arranged in the clean room in the air atmosphere, comprising: be used to move into and take out of sealing and held 13 plate bases for example as the conveyor module S1 of the conveyor 20 of the wafer W of wafer, vertically arrange processing module S2, interface module S3 and the exposure device S4 that a plurality of for example four module B1～B4 and carrying module M1 are constituted.
Be provided with among the above-mentioned conveyor module S1: can carry the plummer 21 of a plurality of above-mentioned conveyors 20, the plummer 21 transfer arm C that looks and be arranged on the switching portion 22 on the wall of the place ahead and be used for taking out from conveyor 20 wafer W since then by switching portion 22.This transfer arm C is constituted as: free advance and retreat, free lifting, rotate freely, move freely in the orientation of conveyor 20 around Z-axis so as and payment platform TRS1～2 of aftermentioned module B1 and B2 between carry out the payment of wafer W.
Rear side at conveyor module S1 is connected with its processing module S2 all around of housing 24 encirclements.In this example, processing module S2 from lower side to being assigned to: first module (DEV layer) B1 that is used to carry out development treatment; Carrying module M1; Be used to carry out second module (BCT layer) B2 that the formation of the antireflection film (hereinafter referred to as " bottom antireflection film ") that lower floor's one side at resist film forms is handled; Be used to carry out three module (COT layer) B3 that the coating of resist liquid is handled; And four module (TCT layer) B4 that handles of the formation that is used to carry out the antireflection film (hereinafter referred to as " top antireflection film ") that forms in the upper strata of resist film one side.These modules B1～B4 and carrying module M1 extend to interface module S3 from conveyor module S1.At this, above-mentioned DEV layer B1 be equivalent to the develop coated film use module, BCT layer B2, COT layer B3, TCT layer B4 to be equivalent to be used to form the coated film that for example is made of resist photosensitive material forms and uses module.Have, each intermodule is distinguished by division board (substrate body) again.
Then, illustrate the first～the four module B (structure of B1～B4), in the present embodiment, these modules B1～B4 comprises many common segments, each module B is made of roughly the same layout.Therefore, be that example describes with reference to Fig. 1 with DEV layer B1.At the central portion of this DEV layer B1, in the horizontal, at length be on the length direction (Y direction among the figure) at DEV layer B1, be formed for connecting the carrying path R1 of the wafer W of conveyor module S1 and interface module S3.
From then on carrying is watched with conveyor module S1 one side of path R1, from near this side (conveyor module S1 one side) to the right side of rear side, be provided with developing cell 3 along carrying with path R1 as a plurality of coating portion that is used to carry out developer solution coating processing comprising of liquid-treatment unit.In addition, watch, near the left side of this side direction rear side, be sequentially set with four canopy unit U1, U2, U3, U4 after the hot system processing unit multipolarity that makes heating and cooling system with path R1 along carrying from conveyor module S1 one side.Be that developing cell 3 and canopy unit U1～U4 relatively arrange with path R1 across carrying.Canopy unit U1～U4 is by the stacked hot system processing unit that is used in pre-treatment that utilizes developing cell 3 to handle and aftertreatment of two-stage, in addition, and the stacked exhaust unit 5 (Fig. 4) that is provided with in the bottom of this canopy unit U1～U4.
In above-mentioned hot system processing unit, comprise: for example or to the wafer W after the exposure carry out heat treated or for dry development after handling wafer W and the cooling unit etc. that carries out the heating unit 4 of heat treated and be used for after this heating unit 4 is handled, wafer W being adjusted to set point of temperature.Have again, in the present embodiment, as canopy unit U1, U2, U3 among this DEV layer B1, press the stacked cooling unit of two-stage as canopy unit U4 by the stacked heating unit 4 of two-stage.
Use Fig. 5 that the structure of above-mentioned developing cell 3 is described simply, having rolling clamp 31 as three wafer maintaining parts, each rolling clamp 31 to constitute by drive division 32 in the internal arrangement of the housing 30 that constitutes this developing cell rotates freely and the structure of free lifting around Z-axis.In addition, cup (cup) 33 is set around rolling clamp 31, the discharge opeing portion (not shown) that comprises gas outlet and drainpipe etc. is set in the bottom surface of this cup 33.34 is soup supply nozzles among the figure, and this soup supply nozzle 34 is designed to free lifting, and is constituted as by drive division 35 and moves freely in the Y direction along guide rod 36.
In this developing cell 3, utilize principal arm A1 described later, wafer W by moving in the housing 30 with the carrying port 37 of path R1 setting towards carrying, and is consigned to rolling clamp 31.Have, 38 is the shutters that are arranged on the free switch of carrying port 37 in order to prevent particulate from flowing in the housing 30 among the figure again.And, supply with developer solution from the surface of 34 pairs of these wafer W of supply nozzle, form the liquid film of developer solution on the surface of wafer W, after this, be used to rinse out the developer solution on wafer W surface from the cleaning fluid of the not shown cleaning solution supplying mechanism that goes out, after this make the wafer W rotation carry out drying, finish development treatment thus.
Then, simple declaration constitutes the heating unit 4 of canopy unit U1～U3, and 40 is housings among Fig. 6, is provided with base station 41 in the inside of housing 40.42 is carrying ports of wafer W among the figure, with path R1 this carrying port 42 is set towards carrying.43 is that thick heat is picked up and used coldplate among the figure, and 44 is hot plates among the figure.Coldplate 43 is constituted as at base station 41 places and can moves on the hot plate 44.45 is rectification plates among the figure.47, the 48th, by the elevating lever of elevating mechanism 47a, 48a driving.Be constructed as follows structure:, between principal arm A1 and coldplate 43, pay wafer W by lifting elevating lever 47; Utilize elevating lever 48, between hot plate 44 and coldplate 43, pay wafer W.
Have again, though omitted detailed description to the cooling unit that constitutes canopy unit U4, but it is identical with heating unit 4, comprises towards carrying having the housing 40 of carrying port 42 with path R1, and uses the device that for example possesses the plate structure of cooling of water-cooling pattern in these housing 40 inside.
In addition, exhaust unit 5 attracts the discharge air chamber 53 of the gas outlet 54 of exhaust to become negative pressure by making to be included in the housing 50 towards carrying with the attraction mouth 51 of path R1 opening with to discharge air chamber 53 inside of enclosure interior, attract carrying with the gas among the path R1 thus, realize the removal of particulate.
Then, the principal arm A1 as module usefulness Handling device that is arranged among the above-mentioned carrying usefulness path R1 is described.This principal arm A1 is constituted as the payment of carrying out wafer W between the payment platform of the payment platform of each processing unit at canopy unit U1～U4, developing cell 3, canopy described later unit U5 and canopy unit U6.For example, principal arm A1 comprises the two arm bodies 61,62 that are used to support the wafer W back side one side peripheral areas, and these arm bodies 61,62 are constituted as independently of each other and freely advance and retreat on carrying matrix 63.In addition, carrying matrix 63 is designed to rotate freely around Z-axis on lifting matrix 64.
65 is to be used for the guide rail that in the horizontal principal arm A1 led among the figure.Have, 66 are arranged on being used on the guide rail 65 and carry out the above-mentioned carrying hole with path R1 exhaust among the figure, with above-mentioned attraction mouth 51 overlapping perforation again.67 is riser guides among the figure, and lifting matrix 64 is the structure along these riser guide 67 free liftings.The for example below of guide rail 65 is slipped in the bottom of this riser guide 67, and is limited to is used to rotating band 55 that this riser guide 67 is moved along above-mentioned guide rail 65 in the discharge air chamber 53 of above-mentioned exhaust unit 5.
At this, carrying module M1 is described with reference to Fig. 2, Fig. 6 and Fig. 7.Between DEV layer B1 and BCT layer B2, be formed with the carrying module M1 to interface module S3 craspedodrome carrying wafer W from conveyor module S1.This carrying module M1 includes the go directly shuttle arm 7 of Handling device of carrying zone M2 that the carrying by division board 70a and DEV layer B1 keeps apart with path R1 and conduct.This shuttle arm 7 is made of moving part 7A and drive division 7B, and moving part 7A is designed to move along the regional M2 of carrying.Moving part 7A for example comprises the arm body 71 of the back side one side peripheral areas that is used to support wafer W, and this arm body 71 is constituted as on carrying matrix 72 and freely advances and retreat.In addition, carrying matrix 72 is designed to rotate freely around Z-axis on mobile matrix 73.Have again, in this example, by arm body 71, the carrying matrix 72, and mobile matrix 73 constitute moving part 7A.Have again,, the mechanism that makes 72 liftings of carrying matrix can be set also if do not limit size.
Drive division 7B comprises housing 70, contains to be useful on the drive division (not shown) that above-mentioned moving part 7A is moved in the discharge air chamber 70a of housing 70 inside.Be provided with in the front of housing 70 extend in the horizontal, be used for the guide rail 74 that in the horizontal above-mentioned moving part 7A led, by this structure, shuttle arm 7 just is constituted as at the payment platform TRS1B that is arranged at aftermentioned canopy unit U5 and is arranged at the carrying wafer W of keeping straight between the payment platform TRS5B of canopy unit U6, and pays.
In addition, this housing 70 comprises towards the attraction mouth 75 of the regional M2 opening of carrying, at interval hole 74a is set and makes its and this attraction mouth 75 overlapping laterally being separated out in above-mentioned guide rail 74.When being a close side, at above-mentioned discharge air chamber 70a rear side, being separated out in the horizontal at interval, and leaving exhausr port 77 in a plurality of positions towards regional M2 one side of carrying.Be connected with the gas outlet 78 that attracts exhaust in being used for discharge air chamber 70a at exhausr port 77.By this gas outlet 78, make discharge air chamber 70a negative pressureization, thereby make the gas among the regional M2 of carrying flow into discharge air chamber 70a.
In addition, in the regional M2 of carrying, setting in the horizontal possesses for example gas introduction part 79 of angle shell body, carries the whole zone of regional M2 so that for example cover this.In this housing, for example, be separated out the gas introduction port (not shown) of certain intervals setting in the horizontal, be constituted as clean air, for example carry regional M2 with radial supplying to by this gas introduction port with circulation in gas introduction part 79 towards the regional M2 of carrying.So, from gas introduction port to the carrying regional M2 supplying clean gas, on the other hand, by the exhaust that above-mentioned discharge air chamber 70a carries regional M2, the removal that can realize carrying the particulate among the regional M2 thus.In addition, for example make the supply and the exhaust balance of this clean air, by making the pressure of carrying among the regional M2 become the control that exceeds the pressure (malleation) of some than the pressure in the ultra-clean chamber, just can suppress particulate and flow into this from the outside of this coating, developing apparatus by means of air-flow and carry regional M2.
Become first wafer payment region R 2 with carrying with the path R1 and the zone of carrying conveyor module S 1 adjacency among the regional M2, in this region R 2, as Fig. 1 and shown in Figure 3, position at principal arm A1, shuttle arm 7 and transfer arm C addressable (access) is provided with canopy unit U5, and is equipped with and is used for that this canopy unit U5 is carried out the lift transport device that wafer W pays and promptly pays arm D1.
In this canopy unit U5, payment platform TRS1B is set among module B1, pays platform TRS1 from higher level's order, transfer arm C, above-mentioned shuttle arm 7 and payment arm D1 can visit and pay platform TRS1B.Principal arm A1, transfer arm C and payment arm D1 can visit and pay platform TRS1.As this structure of paying platform TRS1 and paying platform TRS1B, for example be included in the square casing, to possess bearing wafer W be the platform of the mechanism of predetermined temperature with the adjustment of wafer W thereby be provided with in this housing, in addition, is provided with and freely dashes forward not in the bar on this platform.For example possesses following this structure: by at the carrying port that on the side of each arm of housing, is provided with, each arm enters in the above-mentioned housing, each arm can keep the back side of the wafer W of floating from platform by above-mentioned bar, perhaps will be placed onboard by the wafer W of each arm carrying by above-mentioned bar.
Have again, in this example, as shown in Figure 3, in module B2～B4, be provided with each 2 and pay platform TRS2～TRS4, each TRS totally has foregoing structure, pays platform TRS2～TRS4 and is constituted as and can and pays arm D1 and carry out the payment of wafer W with the principal arm A2～A4 that is arranged on each layer.In addition, among the TRS2, also be constituted as except that with these arms, can also carry out wafer with transfer arm C and pay.By the way, do not limit the quantity of each TRS, can corresponding each module be set to more than 2.
Above-mentioned payment arm D1 is constituted as and freely advances and retreat and free lifting, so that can move to each interlayer of B4 at B1, with respect to being arranged on the payment platform TRS1～TRS4 in each layer and paying platform TRS1B and carry out the payment of wafer W.In addition, above-mentioned payment platform TRS1, TRS2 and pay platform TRS1B, in this example, also can be constituted as and transfer arm C between carry out wafer W and pay.
And, pay region R 3 with the zone of the interface module S3 adjacency of the carrying zone M2 of path R1 and carrying module M1 as second wafer with the carrying of DEV layer B1, in this region R 3, as shown in Figure 3, be provided with canopy unit U6.As shown in Figure 3, canopy unit U6 structure is: be provided with from last order and pay platform TRS5B, TRS5, pay platform TRS5B can carry out wafer W between shuttle arm 7 and interface arm B payment.Be constituted as in addition and pay platform TRS5 carries out wafer W between principal arm A1 and interface arm B payment.The structure of paying platform TRS5B, TRS5 is: for example have the identical structure with aforesaid payment platform TRS1B, possess the refrigerating function of wafer W, the adjustment management of the wafer W after can paying.
In addition, the rear side of the canopy unit U6 in processing module S2 is connected with exposure device S4 by interface module S3.Among the interface module S3, comprise the interface arm B that is used for the payment that canopy unit U6 and exposure device S4 with respect to processing module S2 carry out wafer W.This interface arm B for example as shown in Figure 8, an arm 201 that is arranged for the rear side middle section of supporting wafer W is freely advanced and retreat along base station 202.Above-mentioned base station 202 is designed to following structure: be installed on the lifting table 203, rotate freely around Z-axis by rotating mechanism 204, along fluctuating orbit 205 free liftings.So like this, the structure of arm 201 is free advance and retreat, free lifting, rotates freely around Z-axis.
Have, the structure of the payment arm D1 that has narrated is again: except not around Z-axis rotates, all the other are identical with interface arm B.
This interface arm B is as the Handling device that inserts the wafer W between processing module S2 and the exposure device S4, structure is in this embodiment: receive wafer W from the payment platform TRS5B of unit U6, and it is moved into exposure device S4, on the other hand, receive wafer W from exposure device S4, consign to platform TRS5.
Then, other module is described simply.Structure and the DEV layer B1 of BCT layer B2, COT layer B3, TCT layer B4 are roughly the same, as difference, can list: can use antireflection film forms usefulness with soup or resist film soup (resist liquid) to replace the coating method difference of developer solution, soup, can list in addition: constitute the heating system, the treatment conditions difference in the cooling system unit of canopy unit U1～U4 and then do not dispose canopy unit U6 in interface S3 one side as the soup of liquid-treatment unit.In addition, for example, be provided with the peripheral exposing unit of the periphery exposure that makes wafer W in the middle of any one in module B2～B4, among canopy unit U1～U4 of COT layer B3, contain wafer W is carried out the unit that hydrophobization is handled.
In addition, this coating, developing apparatus comprise the control part 100 that for example has the program storage part that is formed by computing machine.In the program storage part, store the program that for example constitutes of having enrolled order by software, so as to implement the effect of this coating described later, developing apparatus, promptly implement wafer W processing, wafer W payment, exhaust and air-flow control, carry the project management in path etc.And, by this program is read in the control part 100, thereby carry out the control of the effect of this coating, developing apparatus by control part 100.Have, this program for example is stored in program storage part with the state that is contained in the recording mediums such as hard disk, miniature laser disc, magneto-optic disk again.
Have again, the scheme in above-mentioned carrying path is the carrying path (serial numbers of assemblies such as the payment platform of placement wafer W and unit) of designated root according to the wafer W of treatment types, constitute by its each treatment types and make the carrying route scheme, operating personnel can select to manage kind herein, and the scheme of selecting is read into control part 100 from program.In addition, except treatment types to the product wafer, can also select to be used to check that the wafer W of exposure device is transported to the tupe of exposure device, when selecting this processing pattern (exposure checking mode), can wafer W be transported to interface module S3 from conveyor module S1 by shuttle arm 7, send conveyor module S1 by shuttle arm 7 back to from interface module S3 in addition.
At this, for the effect in this coating, the developing apparatus, at first the flow instance to the wafer W in the situation that forms antireflection film at resist film up and down respectively describes.Move into conveyor module S1 from the outside with conveyor 20, in this conveyor 20, take out wafer W by transfer arm C.Wafer W is consigned to the principal arm A2 of BCT layer B2 from transfer arm C, by the payment platform TRS2 of canopy unit U5.And, in BCT layer B2, carry wafer W by principal arm A2 with the order that cooling unit → antireflection film forms the payment platform TRS2 of unit (not shown, as to be the unit corresponding to the developing cell among Fig. 5 3) → heating unit → canopy unit U5, and form the bottom antireflection film.
Then, the wafer W of paying platform TRS2 then consigns to the principal arm A3 of this COT layer B3 by paying the payment platform TRS3 that arm D1 is moved to COT layer B3.And, in COT layer B3, (not shown by principal arm A3 with cooling unit → resist coating element, be unit corresponding to the developing cell among Fig. 5 3) → heating unit carries wafer W in proper order, upper strata at the bottom antireflection film forms resist film, then, wafer W is transported to peripheral exposing unit carries out the periphery exposure, and then be transported to the payment platform TRS3 of canopy unit U5.
The wafer W that then will pay platform TRS3 consigns to the principal arm A4 of this TCT layer B4 by paying the payment platform TRS4 that arm D1 is transported to TCT layer B4.And, in TCT layer B4, it is (not shown to form the unit by principal arm A4 with cooling unit → second antireflection film, be unit corresponding to the developing cell among Fig. 5 3) → order of heating unit carrying wafer W, upper strata at resist film forms the top antireflection film, is transported to the payment platform TRS4 of canopy unit U5 then.
The wafer W of paying platform TRS4 is moved to payment platform TRS1B by paying arm D1.Then when the moving part 7A of shuttle arm 7 turns to interface module S3 one side that receives wafer W,, wafer W is transported to payment platform TRS5B to interface module S3 one side shifting.The wafer W that this payment platform TRS5B goes up carrying is moved to exposure device S4 by interface arm B, in this exposure-processed of stipulating.
Wafer W after the exposure-processed is moved to the payment platform TRS5 of canopy unit U6 by interface arm B, wafer W on this TRS5 is received by the principal arm A1 of DEV layer B1, in this DEV layer B1, order with heating unit → cooling unit → developing cell 3 → heating unit → cooling unit of being comprised among canopy unit U1～U4 is carried the development treatment that puts rules into practice.So like this, the wafer W of process development treatment is moved to the payment platform TRS1 of canopy unit U5, by transfer arm C, returns the former conveyor 20 that is positioned on the conveyor module S1.
Fig. 9 schematically shows the carrying path of the wafer W of above-mentioned explanation.Wafer W moves between coated film forms with module B2～B4, form coated film (step 1), after this, carry to interface one side S3 through carrying module M1 by conveyor module S1 one side of shuttle arm 7 from processing module S2, and then be moved to exposure device S4 (step 2).Finish the wafer W of exposure-processed and pass through DEV layer B1, accept development treatment, return conveyor module S1 (step 3) from exposure device S4.
Then, illustrate for the maintenance of carrying out exposure device S4 and wafer W directly is not carried to carrying path under the situation of this exposure device S4 by each layer of module B2～B4.At first, select the exposure checking mode by control part 100.After the preference pattern, move into conveyor module S1, for example applied the testing wafer W of resist by transfer arm C conveyor 20 interior taking-ups from then on from the outside with conveyor 20.This testing wafer W is consigned to payment platform TRS1B from transfer arm C, pay platform TRS5B by through being transported to of the moving part 7A of shuttle arm 7.This testing wafer W that pays on platform TRS5B is transported to exposure device S4 by interface arm B, uses this testing wafer W exposure device S4 to be carried out for example focusing accuracy is proofreaied and correct, positional precision is proofreaied and correct, lens distortion is confirmed, the lens transmitance is confirmed, the optical system dust adheres to upkeep operations such as affirmation.
To pay platform TRS5B for safeguarding that employed testing wafer W is transported to by interface arm B from exposure device S4, pay platform TRS1B by through being transported to of the moving part 7A of shuttle arm 7.Be carried on this testing wafer W that pays on the platform TRS1B and sent back to conveyor 20 by transfer arm C.
Because being formed with module B2～B4 by the coated film that extends to interface module S3 one side from each conveyor module S1 one side, processing module S2 constitutes with the duplexer that develops with module B1, so, the coating of present embodiment, developing apparatus can reduce the space is set, and, because carrying module M1 is set between DEV layer B1 and BCT layer B2, in this carrying module M1, be provided with and be specifically designed to the shuttle arm 7 of between conveyor module S1 and interface module S3, carrying out the through carrying of wafer W, so can carry out exposure device S4 simultaneously, coated film forms with module B2～B4 and develops with the maintenance of module B1, has realized the shortening of maintenance time.In addition, because even coated film forms with module B2～B4 and develops with module B1 in maintenance, or for example break down in the exhaust system etc. and in these modules during initiating failure, also can the shuttle arm 7 of wafer W by carrying module M1 of the state of exposure device S4 will be used to check, be transported to exposure device S4 from conveyor module S1 one side, so just can implement the status checking of exposure device S4 with desirable timing.For this reason, after becoming coated film and forming the state that can turn round with module B1, just can turn to the processing of goods wafer W apace, can suppress the decline of throughput rate with module B2～B4 and development.In addition, when Unit Installation is started, if finish the adjustment of through shuttle arm 7 in advance, just can carry out the carrying of test wafer W by utilizing this shuttle arm 7, come to form with module B2～B4 with coated film and develop and carry out the adjustment of exposure device S4 discretely with the adjustment operation of the principal arm A1～A4 that comprises among the module B1, if finish the adjustment of exposure device S4, just can continue to set development conditions, consequently can shorten the time of device starting.
In addition, in the present embodiment, a side is provided with to develop and uses module B1 below coated film forms with module B2～B4, owing to be provided with the carrying module M1 that possesses shuttle arm 7 between this module B1 and module B2, therefore can reduce the lifting travel of the interface arm B of interface module S3.Therefore, can realize the miniaturization of the Handling device of interface arm B formation thus.
Among the present invention, the stacked number and the lamination order of each module are not limited to above-mentioned example, for example also can arrange coated film formation like this and use module, and one side direction top, one side is TCT layer, COT layer, BCT layer in proper order from the below.In addition, also can below side configuration coated film form and use module, on it, dispose the development treatment module.In addition, for example only form also can be constituted as under the situation of resist film and the COT layer only is set forms as coated film and use module not forming antireflection film on the wafer W.Have, it also can be to carry out the formation of the formation of downside antireflection film, resist film, the formation of upside antireflection film in one deck that coated film forms with module again, also can constitute coating, developing apparatus by multistage stacked this layer.In addition, among the DEV layer B1, it is stacked that the developing cell of having stated 3 for example also can two-stage.
By the way, in the embodiment of having stated,, utilize dividing plate 70a that the carrying path R1 of DEV layer B1 and the carrying zone M2 of carrying module M1 are distinguished, but also this dividing plate 70a can be set in order to prevent the particulate that is scattered to carrying path R1.In the case, for example, the moving area of this moving part 7A (carrying zone) can be set in also will be slightly than the upper part of this principal arm A1 in the upper limit position in above-mentioned principal arm A1 moving area (carrying zone) above a bit, constitute the structure of principal arm A1 and moving part 7A mutually noninterfere.
In addition, through Handling device is the structure shown in the structure of shuttle arm 7 embodiment that is not limited to state, for example the structure of shuttle arm 7 also can be like this: the mechanism that makes arm body 71 advance and retreat on carrying matrix 72 is not set, by making 72 rotations of carrying matrix, in TRS1B or TRS5B, below the wafer W that arm body 71 is slipped into lift, make arm body 71 receive wafer W by falling bar, and between TRS1B and TRS5B, carry wafer W by bar.
In addition, as through Handling device, just directly do not carry wafer W if can be by the unit that is used to apply or develop from conveyor module S1 one side to interface module S3 one side, just be not limited to this arm carrying discussed above, can constitute through Handling device by the belt conveyor that for example uses endless belt, and slot to paying platform TRS1B and TRS5B, for example form the コ font, the two-end part that makes belt conveyor is in this breach space, to pay the wafer W of carrying on the platform these sides and be loaded on the above-mentioned endless belt, be transported on the opposing party's the payment platform.Perhaps also can become this structure, to be arranged on like this by TRS5B one side step-down and pay between platform TRS1B and the TRS5B possessing slope that the wafer W of preventing falls the guide rail of usefulness along horizontal both sides, in the table top on this slope, arrange the hole of ejection air, push wafer W to TRS5B one side by the pressure of this air and the deadweight of wafer W in TRS5B one side.
Have again, though through Handling device of the present invention can be used for from the conveyor module to interface module not carrying by the unit that is used to apply or develop with going directly, even but in the carrying path of this through Handling device, insert under the situation of for example peripheral exposure device and inspection unit etc., also mean for example to comprise the situation of between the Handling device of the Handling device of through Handling device and conveyor module one side or interface module one side, carrying out the payment of substrate by in these devices.
In addition, coating of the present invention, developing apparatus also can be by following such formations.Use Figure 10～Figure 13 that this embodiment is described, this coating, developing apparatus 101 are provided for the inspection module S5 of inspection that wafer W is stipulated, and between processing module S2 and interface module S3 supplementary module S6 are set between conveyor module S1 and processing module S2.In this supplementary module S6, be provided with and be coated with the water-repellancy diaphragm removal unit (ITR) (to call " diaphragm is removed unit (ITR) " in the following text) that the liquid that is applied to when preventing immersion exposure immerses the water-repellancy diaphragm coating element (ITC) (to call " diaphragm coating element (ITC) " in the following text) of the diaphragm in the resist and is used to remove this water-repellancy diaphragm.In addition, in interface module S3, be provided for the cleaning unit (RD) of clean wafers W before and after immersion exposure.
At this, immersion exposure is described simply, under the state of substrate surface formation printing opacity liquid layer because this immersion exposure is to expose, so its purpose is to improve the resolution of exposure; Light is seen through from pure water,,, utilize this feature to expose so the wavelength of the ArF of 193nm becomes 134nm in fact in water because light wavelength shortens in water.
By the way, in the immersion exposure, because the surface at resist forms liquid layer, so resist is just separated out in liquid side, and this separates out composition and will remain on the wafer W, will worry after exposure-processed finishes, when wafer W is discharged, be small water droplet at the residual drop of wafer surface with the liquid layer that is formed on the wafer W surface.So, separate out composition and drop when remaining on the wafer W when resist, the above-mentioned composition of separating out is attached on the wafer W, principal element as the particulate generation that becomes defect cause, during heat treated that will be after exposure-processed, cause from above-mentioned and separate out the particulate set that produces the composition and adhere to, influence the live width of figure, because the existence of drop, in the face of wafer W, produce temperature difference in the time of will existing in the heat treated after the exposure-processed, make heat treated inner evenness variation, become drop and air reaction and produce this problem of reason of watermark on the wafer W surface.
For this reason; during immersion exposure is handled; before after to wafer W coating resist liquid, carrying out immersion exposure; liquid when making immersion exposure when suppressing the separating out of resist is difficult to remain in the wafer W surface; just, utilize diaphragm coating element (ITC) to carry out this processing at the diaphragm of wafer W surface applied water-repellancy.In addition, when under the state that has applied this diaphragm, carrying out development treatment, be not developed the liquid dissolving, just need before development treatment, remove this diaphragm, utilize diaphragm to remove unit (ITR) and carry out this processing in order to make resist.And for more positively remove attached to the resist liquid on the wafer W separate out composition and immersion exposure the time the liquid water droplet, handle the surface of back clean wafers W carrying out immersion exposure, this cleaning utilizes cleaning unit (RD) to carry out.
Among the processing module S2 of this coating, developing apparatus 101, the stacked DEV layer of two-stage B1, with higher level's one side of DEV layer B1, B1 as carrying module M1.Have again, among Figure 11,, in canopy unit U5, U6, only draw the payment platform TRS1～TRS5 of higher level's side respectively by per unit module B1～B4 for ease of diagram.
Then, with reference to Figure 12 the structure of checking module S5 is described.For example, this checks that module S5 comprises housing 111, utilizes this housing 111 to separate with the peripheral region.When conveyor module S1 one side is near a side, when processing module S2 one side is rear side, housing 111 inside to be provided with the payment platform that is used for receiving from the transfer arm C of conveyor module S1 wafer W near a side central portion be TRS11.It is identical with the TRS1 that has stated～5 structures that this pays platform TRS11.In addition, for example 5 grades of stacked settings can be held the buffer cell BU of the wafer W of regulation sheet number below this TRS11, make this 5 buffer cells, for example can hold the wafer W of counting roughly about 10～20.Among the DEV layer B1, the wafer W of accepting development treatment is moved into each buffer cell BU by the arm of aftermentioned 110 be temporarily stored.In addition, transfer arm C visits this buffer cell BU, just the wafer W that is contained in this can be carried to conveyor 20.
In this checks the housing 111 of module S5, near the side direction inboard, about inspection unit 112,113 is set respectively.As inspection unit 112,113, schematically record two inspection units at this in this example, more specifically, can decide configuration quantity according to the kind of checking.Have again, so example like this, two inspection units 112,113 are set, one side is the thickness inspection unit that for example is used to check thickness state, be used to check the coated film that forms on substrate of substrate surface, is on the other hand to be taken pictures in the wafer W surface and resolve the inspection unit of this image by the filming apparatus of CCD camera etc.In the inspection unit of opposite side, can check the live width of developing defect and resist figure etc.
Have again, as these inspection units 112,113, except that the inspection unit of having stated, can also use the testing fixture of selecting from following testing fixture according to the inspection kind of hope is carried out device after the blocking: promptly, be used for detecting the testing fixture that defocuses of graph position deviation that exposure device produces; Be used to detect the coating spot detection device of the coating spot of resist liquid; Be used to detect the bad poor visualization pick-up unit of development treatment; Be used to detect particle number pick-up unit attached to the particle number on the substrate; Be used to detect the tail of a comet pick-up unit of the tail of a comet (comet) on the substrate that occurs in after resist applies; The splash-back pick-up unit; Be used to detect the defect detecting device of the defective of substrate surface; Be used to detect the dregs pick-up unit of the resist residue that remains in the substrate after the development treatment; Be used to detect incongruent pick-up unit that do not meet of resist coating processing and/or development treatment; Be used to measure the wire width measuring device of the live width of the resist film that on substrate, forms; Be used to check substrate after the exposure and aligning testing fixture of photomask alignment precision etc.
Inboard central portion in the housing 111 of checking module S5, free lifting is set, freely advances and retreat and the payment arm 110 of the wafer W that rotates freely around Z-axis, this pays arm 110 can distinguish access checking unit 112,113, buffer cell BU, pays wafer W between these each unit.In addition, that pays that arm 110 can also access process module S2 respectively pays platform TRS1, utilizes this to pay arm 110 and is checking the payment of accepting the wafer W of development treatment between module S5 and the processing module S2.
In addition, when the shuttle arm 7 that is provided with in the carrying module M1 of processing module S2 is first shuttle arm, pay arm 110 above free lifting is set, freely advance and retreat and the second through Handling device as the carrying mechanism of wafer W of the structure that rotates freely around Z-axis is a shuttle arm 120, this second shuttle arm 120 is to be used for carrying between the TRS1B of the canopy unit of above-mentioned payment platform TRS11 and processing module S2 U5 wafer W when selecting to expose checking mode from scheme.Have again, above inspection unit 112,113, be provided with the Denso unit 117 of the parts of electric that has held each cell operation that is used to make coating, developing apparatus 101.
Supplementary module S6 then is described.This supplementary module S6 comprises for example housing 400, by this housing 400 with make a distinction on every side.In the inside of housing 400, when conveyor module S1 sees, in inboard and right side and the left side canopy unit U7, U8, U9 are set respectively.For example, among the above-mentioned canopy unit U7, from following stacked in order be used for and the interface arm B of interface module S3 between carry out payment platform that wafer W pays i.e. 2 TRS12, TRS13,2 TRS14.Have, these pay platform TRS12～14, and for example TRS1～5 structures are identical with paying platform again.
Canopy unit U8 is divided into up and down two parts, and for example the upper side after the cutting apart of this canopy unit U8 is laminated with for example two diaphragm coating elements (ITC) 401.On the other hand, the lower side after the cutting apart of canopy unit U8 for example is laminated with two diaphragms and removes unit (ITR) 402.In canopy unit U9, for example multistage stacked be provided with for example be used for coated film form check before post-exposure is handled with exposure-processed after before the development treatment, the heating of the inspection unit of checking after the development treatment, the cooling unit of having stated (COL), heating unit (CHP) etc., the unit of cooling system etc.Have, in Figure 11, for ease of diagram, payment platform TRS12, the TRS14 of canopy unit U7 have respectively put down in writing one respectively again.
For example, in this example, two diaphragms are removed unit 402 and are set at two DEV layer B1, the corresponding position of B1 with processing module S2 respectively, and two diaphragm coating elements 401 are set at and BCT layer B2 and the corresponding respectively position of COT layer B3.
In this example, two payment platform TRS12 of canopy unit U7 are set at and diaphragm is removed 402 corresponding positions, unit in addition, and two payment platform TRS14 are set at and diaphragm coating element 401 corresponding positions in addition.For example, wafer W can used payment platform TRS14 when supplementary module S6 consigns to interface module S3, for example wafer W can used payment platform TRS12 when interface module S3 consigns to supplementary module S6.In addition, pay platform TRS13 and be set at and carry the corresponding position of module M1, utilize shuttle arm F described later to carry out the payment of wafer W.
And; in supplementary module S6; be provided with to two-stage up and down and pay arm F1, F2; the payment arm F1 of upside constitutes and can carry out the payment of wafer W with respect to each one of canopy unit U7～U9 of supplementary module S6; for example, the each several part that constitutes the correspondence of the payment platform TRS14 of two diaphragm coating elements 401 with respect to canopy unit U8, canopy unit U7 and canopy unit U9 carries out the payment of wafer W.
In addition; the payment arm F2 of downside constitute and each DEV layer B1 of processing module S2 between carry out the payment of wafer W; and the each several part with respect to canopy unit U7～U9 of this supplementary module S6 carries out the payment of wafer W; for example, constitute the each several part of removing the correspondence of the payment platform TRS12 of unit 402, canopy unit U7 and canopy unit U9 with respect to two diaphragms respectively paying platform TRS5, canopy unit U8 of the canopy unit U6 of processing module S2 and carry out the payment of wafer W.
This pays arm F1, for example structure is identical with principal arm A1～A5 for F2, be constituted as along Y-axis track 405, for example the Y direction moves freely, free advance and retreat, free lifting, rotates freely around Z-axis in the drawings, and this Y-axis track 405 is installed on the face in the carrying zone of arm F1, the F2 of not shown the portion that supports canopy unit U8.
In addition, paying between platform F1, the F2, the 3rd through Handling device that be provided with free advance and retreat, free lifting, constitutes around Z-axis is shuttle arm F with rotating freely, utilizes this shuttle arm F can carry out the payment of wafer W between the payment platform TRS13 of the canopy unit U8 of the payment platform TRS5B of the U6 of processing module S2 and this supplementary module S6.
In interface module S3, in the position that interface arm B can visit, stacked be provided be used for clean wafers W behind the immersion exposure, two cleaning units (RD) 403 for example.
And, at the upside of interface module S3, be provided with ulpa filter 406, utilize this ulpa filter 406 just can supply with the clean air of having removed dirt, dust etc. in the docking port module S3.
The structure of said protection film coating element 401, diaphragm removal unit 402, cleaning unit 403 then, is described simply.These each unit, for example roughly the same with the resist coating element structure of the processing module S2 that has stated, as difference, in each unit housing, be provided with a rolling clamp that becomes the maintaining part of wafer W respectively.In addition,, replace resist liquid respectively, in diaphragm coating element 401, supply with the soup that diaphragm forms usefulness to wafer W as other difference; Remove in the unit 402 at diaphragm, supply with the stripper that is used for removing the diaphragm that forms at said protection film coating element 401 to wafer W; In cleaning unit 403, supply with the cleaning fluid that is used to clean the wafer W of having finished the immersion exposure processing to wafer W.
As mentioned above, in the embodiment of Fig. 1, the shuttle arm 7 that is provided with in carrying module M1 is formed in the through Handling device of the carrying of going directly between conveyor module S1 and the interface module S3, but in this embodiment, constitute through Handling device by the shuttle arm 120 that is arranged on inspection unit S5, the shuttle arm F that is arranged on the shuttle arm 7 of carrying module M1 and is arranged on supplementary module S6.
In having the coating of this spline structure, developing apparatus 101, identical with coating, the developing apparatus of the embodiment of having stated, be constituted as by each this and handle the scheme that kind makes the carrying path, the operator can select the kind of this processing, the scheme of selecting can be read into control part 100 from program.In addition, except that treatment types to the product wafer, can select to be used for to check that with being used to the wafer W of exposure device is transported to the tupe of exposure device, when selecting this processing pattern (exposure checking mode), by three shuttle arm 120,7, F wafer W is transported to interface module S3 from conveyor module S1 is through, directly wafer W is sent back to conveyor module S1 by these 3 shuttle arm 120,7, F from interface module S3 in addition.
At this, in the coating of this spline structure, developing apparatus 101, carrying out immersion exposure handles, then, carrying out after this exposure-processed under the situation of cleaning treatment, for example, wafer W is pressed the order of conveyor 20 → conveyor module S1 → transfer arm C → payment platform TRS11 → shuttle arm 120 → payment platform TRS1B, carries to processing module S2 by checking module S5 from conveyor module S1.Then wafer W is handled upside down by the order of paying arm D1 → payment platform TRS2 → BCT layer B2 → COT layer B3 → TCT layer B4 → TRS4; then; order by the payment platform TRS5B → shuttle arm F → payment platform TRS13 that pays arm D1 → payment platform TRS1B → shuttle arm 7 → canopy unit U6 is moved to supplementary module S6; after this follow; path by interface arm B → exposure device S4 of payment platform TRS14 → interface module S3 of payment arm F1 → canopy unit U7 of the diaphragm coating element 401 → supplementary module S6 that pays arm F1 → canopy unit U8 is handled upside down, and accepts exposure-processed.
Wafer W after the exposure is handled upside down by the path of the TRS1 of payment platform TRS5 → DEV layer B1 → canopy unit U5 of the canopy unit U6 of diaphragm removal unit 402 → payment arm F2 → processing module S2 of payment platform TRS12 → payment arm F2 → canopy unit U8 of the canopy unit U7 of interface arm B → cleaning unit 403 → interface arm B → supplementary module S6 of interface module S3.
Then, wafer W, is checked when finishing by buffer cell BU or directly be transported to each defect inspection unit 112,113 by the payment arm 110 of checking module S5 as previously mentioned, is transported among the buffer cell BU by paying arm 110.And the wafer W of being held among the buffer cell BU is sent conveyor 20 back to by transfer arm C.Have again, in inspection unit 112,113, contain under the situation of thickness inspection unit, the wafer W of coating behind the resist carried out the thickness inspection by means of COT layer B3.In addition, buffer cell BU is in this example, except that have be used for and the transfer arm C of conveyor module S1 between carry out the function of payment of wafer W, thereby for example also have the function etc. of carrying out waiting under the situation of the inspection of wafer W the running landing numbers of the wafer W during the wafer W of not checking is guaranteed batch at sheet number in accordance with regulations.
Then, illustrate for for the maintenance of carrying out exposure device S4 with regard to the carrying path under the situation that wafer W directly is not transported to this exposure device S4 by each layer of module B1～B4.At first, utilize control part 100 to select the exposure checking mode.After the preference pattern, will for example hold the conveyor 20 of the testing wafer W that applies resist from the outside and move into conveyor module S1.And, the order of payment platform TRS13 → interface arm B → exposure device S4 of payment platform TRS5B → shuttle arm F → canopy unit U7 of pressing payment platform TRS1B → shuttle arm 7 → canopy unit U6 of transfer arm C → payment platform TRS11 → shuttle arm 120 → canopy unit U5 is paid the testing wafer W in the conveyor 20, carries out the upkeep operation identical with the embodiment of having stated.Testing wafer W behind the upkeep operation is sent back to conveyor 20 by the order of the reversed in order when it being moved into this exposure device S4.
In the above-described embodiment, owing to constitute and possess coating, the developing apparatus of checking module S5, this is set between conveyor module S1 and processing module S2 checks module S5, so just can monitor coating, exposure, development, the inspection of resist by same operator, can realize operator's minimizing thus, in the time of any defective can being confirmed by inspection in addition, just can begin next operation of specific reasons, eliminating reason etc. apace.
In addition; in this embodiment; owing to be provided with necessary unit diaphragm coating element 401 and diaphragm removal unit 402 when carrying out immersion exposure among the supplementary module S6 that between processing module S2 and interface module S3, is provided with; so by inserting this supplementary module S6; just can not change the layout of processing module S2, come corresponding to the situation of carrying out immersion exposure and do not carry out the situation of immersion exposure.Do not carrying out under the situation of immersion exposure this moment, also can ceaselessly carry wafer W excessively in supplementary module S6.
By the way, though in above-mentioned example, payment between second shuttle arm of utilizing common payment platform TRS1B to carry out to check module S5 120 and first shuttle arm 7 of processing module S2, but platform of paying by first shuttle arm 7 and the platform of paying by second shuttle arm 120 are different, even carry out under the situation of carrying of the wafer W between mutually different paying arm D1, the carrying of also going directly of first shuttle arm 7 and second shuttle arm 120.
Have, the quantity of respectively paying platform TRS that is provided with in each module in the coating of having stated, developing apparatus 101 and the quantity of each unit are not limited to the example of having stated again.In addition, checking that among module S5 or the supplementary module S6 any one also can be constituted as is arranged in the coating stated, the developing apparatus.
In the embodiment of having stated, though in the canopy unit of COT layer B3 U1～U4, contain wafer W is carried out the unit (ADH) that hydrophobization is handled, but also can replace this hydrophobization unit is arranged among the COT layer B3, it is arranged among the inspection module S5 that has stated as Figure 14～shown in Figure 15.Specifically, the inspection module S5 of this Figure 14～coating shown in Figure 15, the inspection module S5 structure of developing apparatus 102 and above-mentioned coating, developing apparatus 101 is roughly the same, is provided with for example stacked three the hydrophobization unit 118 that are provided with above payment platform TRS11.In addition, when conveyor module S1 one side is seen, checking the left side of module S5 near this, for example the payment arm D1 with processing module S2 is identical, the payment arm 119 of be provided with free lifting, freely advancing and retreat and constituting around Z-axis with rotating freely, this pays arm 119 and is constituted as to visit and pays platform TRS11 and each hydrophobization unit 118.
In the coating that constitutes like this, developing apparatus 102, accept the order of the wafer W of exposure-processed, be moved to processing module B2 by checking module S5 from conveyor module S 1 by conveyor 20 → conveyor module S1 → transfer arm C → payment platform TRS11 → payment arm 119 → hydrophobization unit 118 → payment arm 119 → payment platform TRS11 → shuttle arm 120 → payment platform TRS1B.Hydrophobization is for example handled and is carried out before the coating resist, though can be useful in the case in the technology of the antireflection film that does not apply downside, also can carry out hydrophobization before the antireflection film of coating downside and handle.Wafer W is except that handling for hydrophobization being handled upside down, by being handled upside down and accepting exposure-processed with the coating of having stated, developing apparatus 101 same paths.When having wafer W through exposure-processed to accept development treatment and send conveyor 20 back to again, wafer W is by the path carrying identical with the coating of having stated, developing apparatus 101.
In addition, when selecting the exposure checking mode, testing wafer W is by the path carrying identical with the coating of having stated, developing apparatus 101.
So, checking that module S5 is provided with the situation of hydrophobization unit 118 and compares with the situation that the hydrophobization unit is set at the canopy unit of constituent parts module B2～B4 U1～U4, can reduce the load of the principal arm A2～A4 of constituent parts module.
In above-mentioned example, in possessing the coating of checking among module S5 and the supplementary module S6 at least one, developing apparatus, for checking module S5 and supplementary module S6, even under the situation of the structure that the payment arm that uses during also by common processing when adopting the exposure that shuttle arm is not set to check is carried, the shuttle arm 7 that is arranged on processing module S2 is equivalent to be used for carrying out the through Handling device of the through carrying of substrate between conveyor module S1 and interface module S3.
1. a coating, developing apparatus, wherein the substrate that will utilize conveyor to move in the conveyor module consigns to processing module, manage herein and form the coated film that contains photosensitive material sheet in the module, then, be transported to exposure device by interface module, will in above-mentioned processing module, carry out development treatment via the substrate that above-mentioned interface module is returned after the exposure that comes, and consign to above-mentioned conveyor module, it is characterized in that
A) above-mentioned processing module comprises: extend to coated film interface module one side, that be used to form the film that contains the coated film that is formed by photosensitive material from conveyor module one side and form and use module; And from conveyor module one side extend to interface module one side, form with module and stacked development module with respect to this coated film,
B) above-mentioned coated film forms and comprises with module: be used for liquid-treatment unit, heated substrates to the coating of substrates soup heating unit, cooling base cooling unit and between these unit the module Handling device of carrying substrate, and above-mentioned development comprises with module: be used for liquid-treatment unit, heated substrates to the coating of substrates soup heating unit, cooling base cooling unit and between these unit the module Handling device of carrying substrate
D) by above-mentioned through Handling device, the substrate that will be formed with coated film is transported to interface module one side from conveyor module one side,
Above-mentioned through Handling device constitutes: move in forming with the module and the carrying module of separating with block region of developing with above-mentioned coated film.
2. according to the coating described in the claim 1, developing apparatus, it is characterized in that, above-mentioned coated film forms and comprises duplexer with module, and this duplexer is the module that is used to form resist film, be used for the duplexer that downside at resist film forms the module of antireflection film and is used for forming at the upside of above-mentioned resist film the module of antireflection film.
3. according to coating, the developing apparatus described in claim 1 or 2, it is characterized in that the downside that forms with module in coated film is provided with the development module.
4. according to the coating described in the claim 1, developing apparatus, it is characterized in that, between development forms with module with module and coated film, above-mentioned carrying module is set.
5. according to the coating described in the claim 4, developing apparatus, it is characterized in that, thereby comprise that also gas is imported above-mentioned carrying inside modules makes the carrying inside modules become the gas introduction part of malleation.
6. according to any one described coating, developing apparatus in the claim 1,2,4 or 5, it is characterized in that, comprise: a plurality of payment platforms, configuration also are laminated into mutually and can utilize coated film formation to carry out the carrying of substrate with the module in the module with Handling device and through Handling device with Handling device, development with the module in the module; And lift transport device, carry out free lifting so that can pay the payment of carrying out substrate between the platform at these.
7. according to any one described coating, developing apparatus in the claim 1,2,4 or 5, it is characterized in that, the control part that comprises the carrying of control basal plate, this control part constitutes: can select to be used to check that the test substrate of the state of exposure device is transported to the transport mode of exposure device by through Handling device from the conveyor module.
8. according to any one described coating, developing apparatus in the claim 1,2,4 or 5, it is characterized in that, between above-mentioned processing module and interface module, supplementary module is set, this supplementary module comprises: carry out coated film and form before the post-exposure processing and/or the unit of the processing before the development treatment after the exposure-processed and the payment arm that is used for carrying substrate between these unit, above-mentioned processing module and interface module
Above-mentioned through Handling device comprises: by first through Handling device of above-mentioned processing module and the second through Handling device that passes through above-mentioned supplementary module.
9. according to any one described coating, developing apparatus in the claim 1,2,4 or 5, it is characterized in that between above-mentioned conveyor module and processing module the inspection module is set, this inspection module comprises: the inspection unit that is used to carry out inspecting substrate; And between inspection unit, conveyor module and processing module the payment arm of carrying substrate,
Above-mentioned through Handling device comprises: by the 3rd through Handling device of above-mentioned inspection module; And the first through Handling device by above-mentioned processing module.
CN2006100898674A 2005-03-11 2006-03-10 Coating and developing system CN1854898B (en)
JP2005297989A JP4685584B2 (en) 2005-03-11 2005-10-12 Coating and developing equipment
JP2005-297989 2005-10-12
CN1854898A CN1854898A (en) 2006-11-01
CN1854898B true CN1854898B (en) 2010-06-09
CN2006100898674A CN1854898B (en) 2005-03-11 2006-03-10 Coating and developing system
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