baber/WOPTO huggingface dataset:
Patent JP-2006162366-A (JP)
Title: Optical tomographic imaging system
Inventor: FUJITA HIROSHI
IPC: G01N21/17
Filed: 2004-12-06
Abstract: <P>PROBLEM TO BE SOLVED: To acquire more tomographic image data related to a specimen in as short an irradiation time as possible.  <P>SOLUTION: A light source part is constituted so as to use two simultaneously emittable low interference light sources 10 and 11 that are mutually different in wavelength band and its emitted light is bisected into a luminous flux irradiated on the specimen 71 by a 2×2 coupler 22 via a probe 30 and the luminous flux thrown on reference mirrors 23 and 24 provided at each wavelength band. The luminous flux, irradiated on the reference mirrors 23 and 24, is diffracted spectrally and emitted at each wavelength band by a dichroic mirror 26 to recur to the 2×2 coupler 22 as reference light and is combined with the light to be inspected from the specimen 71. Thereafter, the combined light is irradiated on a photodetector 41 at each wavelength band by a spectrooptical system and is subjected to signal processing in a signal processing part 65, to acquire an optical tomographic image with respect to the different regions of the specimen 71 at each wavelength band.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006163797-A (JP)
Title: Print controller, printing system, method and program for determining location of proxy printing, and recording medium
Inventor: TAKAHASHI MASATO
IPC: B41J29/38
Filed: 2004-12-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a print controller easily determining the location of proxy printing, a printing system, a method and a program for determining the location of proxy printing, and a recording medium.  <P>SOLUTION: The print controller for determining printing equipment that is caused to execute proxy printing includes: a proxy target definition information acquisition means for acquiring proxy target definition information in which printing equipment or the kind of device capable of proxy printing is defined for each piece of printing equipment or for each kind of device; and a proxy printing location determining means for determining according to the proxy target definition information the printing equipment caused to execute the proxy printing.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006159140-A (JP)
Title: Honeycomb metal carrier and its manufacturing method
Inventor: TSUCHIYA TAKU
IPC: B01J35/04
Filed: 2004-12-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a honeycomb metal carrier preventing the breakage of a honeycomb part by thermal expansion and taking no trouble for enhancing the strength, and its manufacturing method.  <P>SOLUTION: In the honeycomb metal carrier 11, a cylindrical part 17 is formed at the center part 16 of a rolled honeycomb carrier 12, a honeycomb part 18 is formed in continuous to the cylindrical part, roll ends 19 and 21 are formed in continuous to the honeycomb part, and the roll end is fixed to the inner surface 22 of the cylindrical member 13. In the manufacturing method, a corrugated plate material 23 is formed of a flat part, a corrugated part 24, a part remaining flat in continuous to the corrugated part, and a roll end 21. The materials are alternately stacked so as to overlap the flat part on the corrugated part. The center 25 is rolled to form the cylindrical part 17, and further rolled to form the honeycomb part 18. The rolled honeycomb carrier 12 is thus formed. The end of the rolled honeycomb carrier is fixed to the cylindrical member 13.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006173773-A (JP)
Title: Reception method and apparatus
Inventor: NONOGAKI MASATOSHI
IPC: H04N5/44
Filed: 2004-12-13
Abstract: <P>PROBLEM TO BE SOLVED: To output a received program while taking into account a present location.  <P>SOLUTION: A broadcast reception section 12 receives radio waves broadcast via a broadcast antenna 10. A video output section displays a video image included in the program on a display section 16. A sound output section 18 outputs the sound included in the program to a loudspeaker 20. A storage section 30 stores a channel corresponding to the program and a position of the program to be viewed. A GPS reception section 24 acquires the present location of a wireless apparatus 100. A control section 32 causes the video output section 14 and the sound output section 18 to output the program received by the broadcast reception section 12 while referencing the storage section 30 when the coordinates of the acquired position correspond to the location stored in the storage section 30.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006171206-A (JP)
Title: Liquid crystal alignment substrate and liquid crystal display
Inventor: HAMA HIDEO
IPC: G02F1/1337
Filed: 2004-12-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a liquid crystal alignment substrate by which display of high quality is made possible and to provide a liquid crystal display provided with the same.  <P>SOLUTION: The liquid crystal alignment substrate has a substrate 2, a transparent conductive layer 4 provided on the substrate 2 and a conductive resin layer 3 provided on the transparent conductive layer 4 and aligning liquid crystal molecules in a prescribed direction. The conductive resin layer 3 has ≤2.4×10<SP>8</SP>Ωcm electric resistivity in the range of 0.1 to 5 μm thickness of the conductive resin layer 3. A projecting and recessed structure aligning the liquid crystal molecules in the prescribed direction is formed on the surface of the conductive resin layer 3.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006173287-A (JP)
Title: Electronic part housing ceramic package and its manufacturing method
Inventor: NISHIJIMA HIDETAKA
IPC: H03H3/02
Filed: 2004-12-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electronic part housing ceramic package which is capable of coping with a reduction in weight and dimensions, and improving its reliability of airtightness through a process of increasing both a metal film on the top surface of a ceramic frame and a metal frame joined to the metal film in frame width when a metal lid is joined.  <P>SOLUTION: The electronic part housing ceramic package 10 is equipped with a ceramic bottom 11; the metal frame 14 brazed to the conductor metal film 13 located on the top surface of the calcinated ceramic frame 12 which is formed through a process of integrally forming one or more ceramic frames into one piece; and an electronic part mounting cavity 15 formed of the metal frame 14, the inner peripheral walls of the ceramic frame 12, and the top surface of the ceramic bottom 11. At least, the frame width end of the conductor metal film 13 on the cavity 15 side is provided up to the side ridge line 22 of the ceramic frame 12, and the top surface of the frame width end of the conductor metal film 13 on the cavity 15 side is equipped with a flat surface nearly equal in thickness to the frame width center of the conductor metal film 13.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006171299-A (JP)
Title: Liquid crystal display and light-shielding device
Inventor: YAMADA MASASHI
IPC: G02F1/1345
Filed: 2004-12-15
Abstract: <P>PROBLEM TO BE SOLVED: To prevent the occurrence of a light leakage phenomenon in a liquid crystal drive circuit part mounted on an FPC (flexible printed circuit) board, and to improve reliability in the drive operation of a liquid crystal panel.  <P>SOLUTION: A housing member 622, formed of a light-shielding material for shielding light, is disposed on a surface on which the liquid crystal drive circuit part 612 of the FPC board 611 is formed, and the liquid crystal drive circuit part 612 is housed in a housing space 624. A pinching member 623, formed of the light-shielding material for shielding the light, is disposed on the other surface, with respect to the surface on which the liquid crystal drive circuit part 612 of the FPC board 611 is formed, and is disposed facing the housing member 622, so as to pinch the FPC board 611. A light-shielding clip 621 shields the light to the liquid crystal drive circuit part 612 by the housing member 622 and the pinching member 623.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006169065-A (JP)
Title: Wooden chip material, cement curing agent and construction method therewith
Inventor: AKAIKE SENSUKE
IPC: E02D3/00
Filed: 2004-12-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide an effective use of industrial wastes such as wooden waste material, so-called sawdust etc., and a construction method in foundation construction etc. which requires no remained soil treatment.  <P>SOLUTION: In this construction method, a curing agent aqueous solution containing 20-40 parts per weight calcium chloride, 30-50 parts per weight magnesium chloride, 15-30 parts per weight aluminum chloride, and 0.1-3 parts per weight cobalt chloride to 1,000 parts per weight wooden chip material, cement, and water is added to the soil excavated at a foundation for construction, then mixed, and the mixture is filled in the excavated foundation for construction.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006169890-A (JP)
Title: Construction method for vertical shaft
Inventor: FUJIMOTO YASUHIRO
IPC: E21D11/08
Filed: 2004-12-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a technique capable of constructing a strong vertical shaft by introducing prestress in axial and circumferential directions of the shaft, with which the vertical shaft is constructed by pressing precast concrete segments to the ground in such a manner that the segments can be sequentially stacked.  <P>SOLUTION: In the construction method for the vertical shaft by pressing and stacking the precast concrete segment rings to the ground wherein a number of prestressed concrete (PC) steel bars 11 for precast concrete are arranged diagonally through the thickness of the segments 30, 40, etc. to a cylindrical net pattern, these PC steel bars 11 are tensed and anchored with each tensing anchor 12 for respective rings of bundled steel bars. Then, each ring is connected to the steel bars in adjacent rings in next stages, and the segments 30, 40, etc. are sequentially pressed and sunk to the ground thereby forming a vertical shaft wall 10.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006167679-A (JP)
Title: Inorganic membrane, aqueous paint composition,and method for preparing inorganic membrane
Inventor: FURUKAWA MANABU
IPC: C09D5/00
Filed: 2004-12-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inorganic membrane having a gas barrier property together with a tremendously improved mechanical strength and film forming capability comprising a plate-shaped pigment as a primary component, and an aqueous paint composition for preparing it.  <P>SOLUTION: The inorganic membrane comprises a plate-shaped pigment having an aspect ratio of at least 50 and a hydrogen bonding binder, wherein the solid component content of the plate-shaped pigment is from 70 to 99% by weight. An inorganic membrane as above defined comprises at least one plate-shaped pigment selected from water swelling natural mica or synthetic mica. An inorganic membrane as above defined comprises at least one hydrogen bonding binder selected from polyvinyl alcohol or cationic compounds. The aqueous paint composition comprises a plate-shaped pigment having an aspect ratio of at least 50 and a hydrogen bonding binder, wherein the content of the solid component of the plate shaped pigment is 70 to 99% by weight. The method for preparing the inorganic membrane comprises the steps of first forming a film layer by coating the aqueous paint composition onto the surface of a process film and subsequently peeling off the process film therefrom.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006171640-A (JP)
Title: Variable curbstone system and road
Inventor: KAWASE TAKANORI
IPC: G09B19/16
Filed: 2004-12-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a variable curbstone system and a road, which allow various courses to be set with cost reduced and enable a driver to become aware that the driver is driving a car, in such a way that wheels run upon curbstones or the like that form a non-linear part of a road.  <P>SOLUTION: An electric winch 16 or a manual winch 18 is used to move a variable curbstone 30 between a first state of being obstructive to a road 40 and a second state that is not obstructive to the road 40. Using this constitution, the driver becomes aware that he is driving the car, in such a way that wheels run on the variable curbstone 30 in the case of the variable curbstone 30 being in the first state or run upon a fixed curbstone 32, when the variable curbstone 30 being in the second state. Since conventional fountain equipment or drainage equipment become unnecessary, installation cost and maintenance cost can be reduced. Since the variable curbstone 30 is formed with a radius of curvature different from that of the fixed curbstone 32, roads of various courses can be set.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006179056-A (JP)
Title: Semiconductor memory
Inventor: KIKUTAKE AKIRA
IPC: G11C29/42
Filed: 2004-12-21
Abstract: <P>PROBLEM TO BE SOLVED: To reduce a development period and a failure analysis period of a semiconductor memory by practicing the optimal layout of a parity generation circuit.  <P>SOLUTION: On both sides of a parity cell array, a 1st regular cell array and a sub-parity generation circuit corresponding to the 1st regular cell array, and a 2nd regular cell array and a sub-parity generation circuit corresponding to the 2nd regular cell array are arranged. The sub-parity generation circuits generate sub-parity data according to the read-out data read from the 1st and 2nd regular cell arrays simultaneously. A main parity generation circuit which generates parity data common to regular cell arrays according to the sub-parity data is arranged corresponding to the parity cell array and not arranged in a distributed manner. Therefore, layout design and layout verification, etc. can be prevented from becoming complicated.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006175089-A (JP)
Title: Slot machine
Inventor: TOSHIMA TAKESHI
IPC: A63F5/04
Filed: 2004-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To carry out the specified games of multiple kinds such as the so-called regular bonus out of those such as the so-called big bonus concerning a slot machine.  <P>SOLUTION: The special game control means (360) is provided with the first specified game control means (363) for carrying out the first specified game with the elevated probability of winning the first minor winning combination, one of the possible minor winning combinations of multiple kinds, the second specified game control means (364) which carries out the second specified game with the elevated probability of winning the second minor winning combinations different from the first minor winning combinations and a specified game shift lottery means (368) which carries out the lottery to determine whether the shift should be made to any of the first and second specified games after the end of the first or second specified game.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006176387-A (JP)
Title: Recyclable aggregate for interlocking block and method for manufacturing recyclable interlocking block as well as recyclable interlocking block
Inventor: FUKUI TOSHIKAZU
IPC: B09B3/00
Filed: 2004-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method capable of manufacturing a good-quality interlocking block using an asphalt waste or a concrete waste generated by the demolition of a paved road or the like as a raw material, and a recyclable interlocking block manufactured by the method.  <P>SOLUTION: After crushing the raw material consisting of the asphalt waste and/or the concrete waste, the crushed raw material is separated according to particle size, and a constituent obtained by the separation which exceeds a predetermined particle size is crushed again so that an adherent material consisting of pitch or cement on the surface of the raw material is removed while the removed adherent material is collected with a dust catcher. The raw material from which the adherent material is removed is separated again according to particle size, and a constituent obtained by the separation which is not larger than a predetermined particle size is recovered as the raw material aggregate for the interlocking block.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006182659-A (JP)
Title: Composition
Inventor: KOIKE YOSHIAKI
IPC: A61K33/42
Filed: 2004-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a new composition useful as cosmetics and analgesics.  <P>SOLUTION: The composition is a liquid containing fine particles of a calcium salt. The voltage generated by immersing an aluminum electrode and a copper electrode each having a size of 4 cm square in the liquid at 20°C interposing a gap of 2 cm between the electrodes is ≥1.4 V. The liquid further contains dispersed titanium dioxide.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006181487-A (JP)
Title: Catalyst, its manufacturing method, and catalyst for cleaning exhaust gas
Inventor: SHIRATORI KAZUYUKI
IPC: F01N3/10
Filed: 2004-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a catalyst in which the usage of a noble metal is reduced and the activity of which after an endurance test is made high, to provide a method for manufacturing the catalyst, and a catalyst for cleaning exhaust gas, whose cleaning performance of exhaust gas is improved.  <P>SOLUTION: This catalyst has a carrier 2 formed from a porous oxide containing alumina, a barrier layer 3 arranged on the carrier 2, and a noble metal particle 5 at least a part of whose surface is covered with a fixed layer 4 and which is arranged on the barrier layer 3.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006186809-A (JP)
Title: Method of manufacturing piezoelectric vibration piece and piezoelectric vibrator
Inventor: SHIRAISHI SHIGERU
IPC: H03H3/02
Filed: 2004-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of manufacturing a piezoelectric vibration piece in which a narrow penetration groove is formed between the piezoelectric vibration piece body and a frame, and processing accuracy of the piezoelectric vibration piece body is improved, and to provide a piezoelectric vibrator.  <P>SOLUTION: The method of manufacturing the piezoelectric vibration piece 10 is the method of manufacturing the piezoelectric vibration piece 10 provided with the piezoelectric vibration piece body 12 and the frame portion 16 surrounding this body 12. In this method, abrasive grains are sprayed onto a piezoelectric substrate 22 from the front surface side of the piezoelectric substrate 22 to form the penetration groove 18 to be provided between the body 12 and the frame 16, and the front and rear surfaces of the piezoelectric substrate 22 corresponding to a portion where the body 12 is formed is chemically etched to form the piezoelectric having a thickness corresponding to an oscillation frequency.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006158918-A (JP)
Title: Movement assisting walker
Inventor: TAKEDA EIICHI
IPC: A61H1/02
Filed: 2004-12-07
Abstract: <P>PROBLEM TO BE SOLVED: To solve a problem in a conventional walker which is not equipped with a device for assisting standing motion and a caregiver is therefore required in standing motion, which has limited a range within which a walker user can act individually.  <P>SOLUTION: Two support members are provided on an opening type rail which connects the upper parts of posts erected at both ends of a front part of a traveling member, and arms each with a reinforcing member and an upper rail as a pair are extended from the support members. Body support tools on which both sides of the walker user are placed to allow longitudinal movement while supporting the body weight, are mounted to the tips of the arms. Gas cylinders are mounted to connect the upper rail to a lower rail provided above the traveling member, and the gas cylinders are fixed after adjusted in longitudinal movement according to the user's body weight and physical strength. Consequently, when the extending force of the gas cylinders and the user's body weight are made a force point and an application point using the support members as fulcrums, the user can stand up and sit down by the conversion of balance based on the longitudinal movement of the body support tools supporting the user's standing motion and body weight.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006176487-A (JP)
Title: Microvascular neogenesis inhibitory substance and method for producing the same
Inventor: ASHINO HIROMI
IPC: A61K36/02
Filed: 2004-12-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a healthy food comprising a composition which remarkably exhibits highly safe inhibitory action on microvascular neogenetic disease, without having toxicity to a living body, by administering a component derived from green algae in an ordinary ingestion range, to provide a healthy drink, and to provide a remedy.  <P>SOLUTION: The healthy and health preservative food and the drink each contains a fraction of the green algae as a main component, wherein the fraction has a microvascular neogenesis inhibitory activity of ≥30%, when measured by an activity measuring procedure according to a hen egg embryo chorioallantoic membrane procedure.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006187376-A (JP)
Title: Ultralight craft rocket
Inventor: SHIRATA YUTAKA
IPC: A63H27/10
Filed: 2004-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To enable children to actually make a rocket which is large and powerful like a real rocket so as to be flied.  <P>SOLUTION: For an ultralight craft rocket, a rocket body is formed into an extremely light structure and made large and flied even with weak thrust force.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005528995-A (JP)
Title: マイクロマシニング型の構成エレメントおよび相応の製作法
IPC: B81B7/00
Filed: 2003-02-21
Abstract: 本発明は、下側層（１５ａ〜１５ｅ）に組み付けられたチップ（１８；１８ａ〜１８ｅ）が設けられており、該チップ（１８；１８ａ〜１８ｅ）が、周辺に比べて高くされたキャップ封止されたチップ領域（１９；１９ａ〜１９ｅ）と、該キャップ封止されたチップ領域（１９；１９ａ〜１９ｅ）の周辺に設けられた組付け領域（９）とを有しており；キャップ封止されたチップ領域（１９；１９ａ〜１９ｅ）が、下側層（１５ａ〜１５ｅ）に向けられていて、該下側層（１５ａ〜１５ｅ）から間隔を置いて配置されているように、チップ（１８；１８ａ〜１８ｅ）が、組付け領域（９）に接続された組付け装置（１６）によって下側層（１５ａ〜１５ｅ）に組み付けられており；キャップ封止されたチップ領域（１９；１９ａ〜１９ｅ）が、アンダフィル（２０）によってチップ（１８；１８ａ〜１８ｅ）の下方で取り囲まれているマイクロマシニング型の構成エレメントを提供する。本発明は、同じく相応の製作法も提供する。
Patent JP-2005530199-A (JP)
Title: 選択された地図抽出物を表示する方法
IPC: G06T17/05
Filed: 2003-06-13
Abstract: 本発明は、ドライバ情報システムのディスプレイ上に、選択された地図抽出物を表示する方法に関する。地図背景および少なくとも１つの地図情報が異なる色または階調値で表示される。人間工学に基づいた表示のために、地図情報および地図背景は互いに適合される。特に地図情報、特に道路の色または階調値は、限定された範囲で最大の色コントラストとなるように、地図背景の色に適合される。地図抽出物の選択された表示縮尺によっては、地図情報の細い構造体が、より太い構造体よりも高い階調値または濃い色で表示される。
Patent JP-2005531260-A (JP)
Title: 無線通信ネットワークにおけるオーバーヘッド・データを使用したトレーニング
IPC: H04L27/00
Filed: 2003-06-26
Abstract: 本発明を使用して、補助データを使用してトレーニングを行うことができる。一実施形態で、本発明は、両方とも情報を通信する主要データ・セグメントと補助データ・セグメントを有する通信信号を通信チャネルで受信することと、補助データ・セグメントを使用して通信チャネルのパラメータを求めることとを含む。本発明の別の実施形態では、通信信号は既知のトレーニング信号を含むトレーニング・セグメントも含むことができる。
Patent JP-2005534090-A (JP)
Title: 補助コンテンツ送達システム
IPC: G06F13/00
Filed: 2003-07-22
Abstract: 補助コンテンツを送達するためのコンピュータベースの方法が、（１）ネットワークを介して、補助コンテンツに対するクライアント端末からの要求を受信するステップであって、補助コンテンツの各項目が、それぞれのタイムスロットを含む関連同報配信空間を有するステップと、（２）同報配信空間群と、補助コンテンツに対するクライアント端末からの要求の時刻との相関に従って項目の１つを選択するステップとを含む。
Patent JP-2005535077-A (JP)
Title: 発光装置を組み込んだエレクトロルミネッセンスディスプレー装置およびそれらを製造するための方法
IPC: C09K11/81
Filed: 2003-07-18
Abstract: 発光材料と作動接触するエレクトロルミネッセント蛍光体を含み、交流電場による前記エレクトロルミネッセント蛍光体の励起が、前記発光材料による発光を生ずる発光装置が開示されている。その装置およびそれが使用されるエレクトロルミネッセンスディスプレー装置を製造する方法もまた記載されている。
Patent JP-2005534919-A (JP)
Title: 低電力レーダーレベル送信機用の発振器の安定化
IPC: G01S7/40
Filed: 2003-07-14
Abstract: 低電力パルスレーダーレベル送信機（１００）は、周波数オフセットによって互いにオフセットされる第１および第２のプルアブル発振器回路（２１２，２１６）を有する。第３または基準水晶振動子（２３４）は、前記第１および第２の水晶振動子回路の両方内の位相比較器（２３８，２４８）に基準周波数出力を接続する。前記位相比較器は、送信／受信周波数を引き出すバラクタダイオード（２４４，２５４）上のバイアスを調節する。
Patent JP-2005534492-A (JP)
Title: ポイントイオン源を用いる空気濾過装置
IPC: B03C3/155
Filed: 2003-05-29
Abstract: 微粒子を空気から濾過するための濾過装置。複数のポイントイオン源が、気流路の周辺の近傍に定置され、かつ気流路の近傍で複数のポイントイオン源のそれぞれからほぼ上流の方向にイオンを発生するように向けられる。微粒子収集面が気流路内に複数のポイントイオン源から下流方向に定置される。微粒子収集面はイオンの電荷より接地に対して反対の方向に帯電される。イオントラップが気流路内に複数のイオン源と微粒子収集面との間に定置される。イオントラップは微粒子収集面およびイオンと比べて相対的に電気的に中性である。