baber/WOPTO huggingface dataset:
Patent JP-2009516103-A (JP)
IPC: E01B27/10
Filed: 2006-09-15
Abstract: Method involves accomplishing of first and second working process alternatively, depending on the degree of contamination of the ballast bed (2). In the first working process, an upper layer (34) of the ballast is received by a front, with respect to working direction, clearance apparatus (16) and is supplied to the first conveyer belt unit (27). In parallel with this, the rest of the ballast (25) is received by a rear, with respect to the working direction, clearance apparatus (20) and is supplied to a second conveyer belt unit (29), in order to carry it away for disposal. In second working process, the ballast is received exclusively by the rear clearance apparatus and is diverted for cleaning to the first conveyor belt unit, with the front clearance apparatus being in an out-of-use position. An independent claim is also included for the installation for cleaning of a ballast bed of a track.
Patent JP-2009515693-A (JP)
Title: 還元剤の存在下に異方性金属ナノ粒子をベースとする触媒の製造方法
IPC: C01B32/50
Filed: 2006-11-14
Abstract: 【課題】還元剤の存在下に異方性金属ナノ粒子をベースとする触媒の製造方法を提供する。 【解決手段】元素周期律表の８、９，１０族から選ばれた少なくとも一つの金属の源（ソース）に接触する、二つの異なった還元剤を用いる工程を含む、異方性(anisotropic)金属ナノ粒子の製法であり、該製法は少なくとも以下から構成される。ａ）以下の工程の一つ。ａ１）元素周期律表の８族、９属、１０族から選ばれた少なくとも一つの金属の源を含む水溶液で担体を含浸し、ついで該担体を還元剤Ｒ１と接触させる。またはａ２）元素周期律表の８族、９属、１０族から選ばれた少なくとも一つの金属の源を含む水溶液を還元剤Ｒ１と接触させる。ｂ）工程ａ）で得られた溶液または担体をＲ１と異なる還元剤Ｒ２と接触させる異方性金属ナノ粒子を生成する工程。ｃ）工程ａ）が工程ａ２）である場合は、場合によっては担体上に異方性金属ナノ粒子を担持する。     【選択図】    なし
Patent JP-2009517560-A (JP)
Title: 化学機械パルプの製造方法
IPC: D21C1/06
Filed: 2006-12-01
Abstract: 木材チップを含む原料から化学機械パルプを製造する方法。該方法によれば、まず、原料木材を高温で蒸気に当てて、木材チップから空気を除き、次に、含浸段階で、アルカリが木材チップ中に浸透する条件下で蒸気を当てた木材チップをアルカリ性含浸溶液と接触させ、その後、パルプを製造するために、アルカリで処理された木材チップを叩解して、所望の濾水度にする。本発明によれば、含浸段階は超過気圧で実施され、この場合、含浸のアルカリ投与量を減じることができ、こうして、細木片のパーセンテージを上昇させることなく、パルプの散乱を向上させることができる。同じレベルの濾水度で、嵩も向上する。
Patent JP-2009520454-A (JP)
Title: Ｄｃブラシレスモータの調整の改良
IPC: H02P6/10
Filed: 2006-12-18
Abstract: 【課題】 【解決手段】   ＤＣブラシレスモータを調整する方法であって、ＤＣブラシレスモータの動作条件の変動に起因するトルク要求条件の変化を検出するために逆起電力電圧の測定が使用され、方法は、トルク要求条件の変化を補償するためにモータへの駆動信号のタイミングを変えることを含む。 【選択図】図１
Patent JP-2009521261-A (JP)
Title: 血管内冷却システム及び方法
IPC: A61M25/00
Filed: 2006-11-22
Abstract: 冷却した注入液を患者の目標位置に注入する方法及びシステムが記載されている。カテーテルの上流側で、カテーテルに沿った他の位置で血液及び注入液混合液の温度を監視することができ、フィードバックシステムを利用して、目標位置での所定温度を達成するように注入液の量、温度、及び／又は注入速度を制御することができる。システムは、カテーテルの上流側でヘマトクリット値を監視又は算出し、血液及び注入液混合物の十分な酸化を行うように注入を調整することができる。システムはまた、カテーテルの遠位端を通して注入液の還流を監視し、還流の検出の際に注入を少なくすることができる。
Patent JP-2009519810-A (JP)
Title: カテーテルのための非伸張性の多層バルーン
IPC: A61L29/00
Filed: 2006-11-30
Abstract: バルーンカテーテル(１０)が備える多層バルーン(１４)は、第１層（３０）および少なくとも第２層（３１）を有し、その基準直径を超える範囲における半径方向の膨張が制限されて非伸張性となっている。バルーン層を形成するポリマー材料を選択し、および本発明に基づいてバルーンの複数の層を配置して半径方向に拡げることにより、好ましくは高い柔軟性および柔らかさと共に改善された低い伸張度を有するバルーンが提供される。
Patent JP-2009523787-A (JP)
Title: ペプチドを有効成分とする血管関連疾患の治療剤組成物
IPC: A61K38/00
Filed: 2007-01-19
Abstract: 本発明は、アンジオポイエチンの分泌により異常な血管新生に作用して血管疾患を治療する組成物に関する。 【選択図】なし
Patent JP-2009532851-A (JP)
Title: ナノ粒子増感ナノ構造太陽電池
IPC: C01G23/04
Filed: 2007-02-15
Abstract: 本発明は、概して光起電装置若しくは太陽電池の分野に関する。より詳細には、本発明は、異なるサイズ及び組成のナノ粒子を含む光活性ナノ粒子に接続された金属酸化物ナノ構造体を用いて作製された光起電装置に関する。
Patent JP-2009528592-A (JP)
Title: 伝送範囲が改善された受動型無線キーボードを備えるコンピュータシステム
IPC: H04B1/59
Filed: 2007-02-26
Abstract: 無線キーボード読み取り機の組み合わせは、複数のキー（１１）を有するキーボード（１０）、アンテナ（２４）、及び複数の受動型トランスポンダ回路（２０）を備え、該無線キーボード読み取り機の組み合わせはアンテナ（２４）に接続されるとともにキー（１１）に関連付けられる。受動型キーボードは範囲を拡大し、好ましくはトランスポンダを用いる。該トランスポンダは読み取り機の問い合わせフィールドからの電力を利用することなく後方散乱伝送を用いる。例えば、ＳＡＷトランスポンダが用いられる。さらに、トランスポンダ（２０）はキー操作から電力を供給される。トランスポンダ回路（２０）はアンテナと接続しており、キー操作に対応するキーを識別する符号化された応答を提供する。関連する読み取り機は問い合わせフィールド（１６）のソースを含む。該問い合わせフィールド（１６）はキーボード（１０）のアンテナ及びデコーダに応用され、受動型トランスポンダ回路からの符号化された応答を測定する。 【選択図】なし
Patent JP-2009528372-A (JP)
Title: 水性保湿剤及び潤滑剤並びにその使用
IPC: A61K33/06
Filed: 2007-02-28
Abstract: 本出願は、膣の乾燥を緩和する、個人用の水系の保湿剤及び潤滑剤である。これらの組成物は非殺精子性で、精子及び卵子適合性で、種々の形態において、体液を模し、精子の生存及び運動性を増強し、精子の卵子に対する結合を促進し、及び／又は、受胎の過程を容易化し得る。関連する物品、システム、並びに、かかる組成物の調製及び使用の方法も提供される。
Patent JP-2010159319-A (JP)
Title: Luminosity fluorescent polycarbonate resin composition and molded article
Inventor: NAGASHIMA HIROMITSU
IPC: C08K5/5415
Filed: 2009-01-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a luminosity fluorescent resin composition being excellent in light-emitting characteristic and having an outstandingly high whiteness degree.  <P>SOLUTION: The luminosity fluorescent polycarbonate resin composition contains 0.0001-0.1 pts.mass of component B (fluorescent whitening agent) and 0.1-50 pts.mass of component C (a matrix body is Eu, Ln activation silicate luminosity fluorescent body represented by formula (1): m(Sr<SB>1-a</SB>M<SP>1</SP><SB>a</SB>O)-n(Mg<SB>1-b</SB>M<SP>2</SP><SB>b</SB>O)-2(Si<SB>1-c</SB>Ge<SB>c</SB>O<SB>2</SB>):Eu,Ln (1) at oxide composition) relative to 100 pts.mass of component A (polycarbonate resin).  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010159173-A (JP)
Title: Silica container, and method of manufacturing the same
Inventor: YAMAGATA SHIGERU
IPC: G03F1/60
Filed: 2009-01-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a silica container which is low-cost, highly dimensionally accurate, and highly durable.  <P>SOLUTION: A method of manufacturing the silica container comprises the steps of: preparing (1) a first raw material powder which is a silica particle, a second raw material powder composed of amorphous silica and having a small average particle size, a third raw material powder, whose principal ingredient is silica, containing an Al element and/or an OH group, and containing a crystal nucleus material, and a fourth raw material powder which is highly pure crystalline silica; preparing (2) a mixed slurry for forming a base body containing the first and second raw material powders; introducing (3) the mixed slurry for forming the base body into a molding die; preliminarily molding (4) the base body by heating to dehydrate the mixed slurry for forming the base body in the molding die; calcinating (5) the base body; forming (6) an intermediate layer on the inner surface of the base body by melting while spraying to supply the third raw material powder from the inside of the base body; and forming (7) an inside layer on the inner surface of the intermediate layer by melting while spraying to supply the fourth raw material powder from the inside of the base body formed with the intermediate layer wherein either of (5), and (6) or (7) is preceded.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010158456-A (JP)
Title: Plug and connecting structure for endoscope provided therewith
Inventor: IWAMIZU KEITA
IPC: A61B1/06
Filed: 2009-01-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a plug which facilitates a removal operation by fixing the end portions of an image guide and a light guide with the use of the same plug and accurately positions the image guide with respect to a socket, and also to provide a connecting structure for an endoscope providing the plug.  <P>SOLUTION: The plug 20 is constituted by allowing the base end portions of an image guide, composed of an image guide fiber 12 and an image guide rod 14, and a light guide, composed of a light guide fiber 13 and a light guide rod 15, to be fixed to a plug body 20a in a parallel state. The plug 20 and a socket 30 can be connected. The diameter of a position-aligning hole portion 32a into which the base end of the image guide rod 14 is inserted is set to be substantially the same as the outer diameter of the image guide rod 14, while the diameter of a position-aligning hole portion 32b into which the base end of the light guide rod 15 is inserted is set to be greater than the outer diameter of the light guide rod 15.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010162922-A (JP)
Title: Seat belt device
Inventor: AKAIKE FUMITOSHI
IPC: B60R22/12
Filed: 2009-01-13
Abstract: <P>PROBLEM TO BE SOLVED: To easily find a tongue of a seat belt device even in a dark place.  <P>SOLUTION: The seat belt device 10 is attached with the tongue 13 that becomes an attachment tool for a buckle 14 on a belt-shape seat belt webbing 11 restraining the body of a seated occupant to a vehicular seat 1. An attachment section 13A insertingly attached to the buckle 14 is formed in the tongue 13. A light emitting body (a light emitting layer 16A formed of an LED) improving visibility by light generation is provided in the attachment section 13A.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010163238-A (JP)
Title: Sorter
Inventor: YAMADA HISAYA
IPC: B65G47/20
Filed: 2009-01-14
Abstract: <P>PROBLEM TO BE SOLVED: To improve working efficiency by easily moving a sorting object to an easily supplying position, when supplying the sorting object by manual work from a supply hopper to a carrying tray, in a sorter for sorting the sorting object such as vegetables and fruits.  <P>SOLUTION: This sorter 1 includes the tray 2 for placing the sorting object, a carrying means for carrying a plurality of trays 2, and the supply hopper 4 for supplying the sorting object to the trays 2. A casing of the carrying means is provided with a support mechanism 43 for rotatably supporting the supply hopper 4 around a vertical shaft, and is constituted so that the supply hopper 4 is changed in the direction to the tray carrying direction.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010166736-A (JP)
Title: Ultrasonic motor
Inventor: YOSHIMURA KATSUHIKO
IPC: H02N2/00
Filed: 2009-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide an ultrasonic motor which reduces the effect of dead zones and enables driving with fine controllability and high speed resolution, even when carrying out low-speed drive.  <P>SOLUTION: The ultrasonic motor is provided with a control CPU 22, that controls a drive speed by changing a drive phase difference, a drive speed, and a driving point on a characteristics line. When the drive speed is to be reduced, the control CPU 22 repeats control for increasing the drive phase difference, without changing the value of the drive frequency, driving the motor for a given time at a driving point, and then changing the value of the drive frequency to a value which is closer to the resonance frequency of a vibrator without changing the drive phase difference, until the desired drive speed is attained. When the drive speed is to be increased, the control CPU repeats the control for decreasing the drive phase difference, without changing the value of a drive frequency, driving the motor for a given time at a driving point, and then changing the value of the drive frequency to a value which detaches itself from the resonance frequency of the vibrator, without making the drive phase difference change, until the desired drive speed is attained.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010165970-A (JP)
Title: Semiconductor integrated circuit apparatus and manufacturing method thereof
Inventor: SHIGIHARA HISAO
IPC: H01L21/60
Filed: 2009-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem that a plating step is expensive and causes an aluminum based pad in a scribe region to corrode, resulting in difficulty in probe inspection to be executed thereafter, relating to a manufacturing process of a semiconductor integrated circuit apparatus by the current wafer level package method in which a gold plated layer is formed by electroless plating on the surface of a bump land (bump formation part) for the purpose of assuring the wettability of solder and reducing a contact resistance at probe inspection.  <P>SOLUTION: Relating to a semiconductor integrated circuit apparatus (LSI) of a wafer level package method, plasma cleaning treatment is applied to a solder bump electrode formation part on the surface of a nickel rewiring by electrolytic plating before bump electrode formation.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010172092-A (JP)
Title: Synchronous rectifier circuit
Inventor: MIYAMOTO HAJIME
IPC: H02M3/28
Filed: 2009-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a synchronous rectifier circuit that prevents the generation of a penetration current by controlling the switching timing of a switching element for synchronous rectification by a simple circuit configuration.  <P>SOLUTION: The synchronous rectifier circuit (DC-DC converter) 1 includes a CR integration circuit 23 for delaying an output of a secondary-side main winding 10B, and a discharging circuit 24 which discharges a gate voltage of a rectifying transistor Q2 by making a transistor Q3 conductive by receiving an output of the CR integration circuit 23. By such a configuration, the rectifying transistor Q2 is turned off earlier than the timing at which the polarities of output voltages of the secondary-side main winding 10B and a secondary-side auxiliary winding 10C are switched due to the turned-on primary-side transistor Q1.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010176723-A (JP)
Title: Disk guide device for disk playback device
Inventor: SHUKUTANI REI
IPC: G11B17/051
Filed: 2009-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a disk guide device for a disk playback device which automatically corrects for inclination, while receiving a disk even when the disk is inserted inclined and offers proper operability.  <P>SOLUTION: Right and left interlocking members 8L, 8R which synchronously rotate are placed in between right and left detection levers 7L and 7R, having disk-abutting parts at rotation end parts, long grooves 11L, 11R are provided on a corresponding detection lever and one of the interlocking members, and projections 22L, 22R engaged with the long grooves are provided on the other interlocking member, and stopper parts 14L, 14R are provided in the middle on one sides of the long grooves. When one of the detection levers has its disk-abutting part pressed by a disk and rotates, projection is abutted against the stopper part to prohibit rotation of the detection lever. The disk presses the disk-abutting part of the other detection lever, so that while the inclination is corrected, inhibition of the rotation of the first detection lever is canceled.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010172473-A (JP)
Title: Nuclear magnetic resonance imaging apparatus and operating method for nuclear magnetic resonance imaging apparatus
Inventor: YOSHIZAWA NOBUYUKI
IPC: G01R33/48
Filed: 2009-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To prevent lowering of sensitivity correction accuracy due to shifting of a subject in measuring the sensitivity in a MRI apparatus in which the sensitivity of a RF (radio frequency) receiving coil is corrected.  <P>SOLUTION: A sensitivity image creating step of creating a sensitivity image of a RF receiving coil or a whole body coil from signals measured using the RF receiving coil and the whole body coil includes: a step of monitoring the periodic motion of a subject; a step of dividing the motion of the subject into a plurality of areas; a step of dividing K space into a plurality of areas; a step of sequentially determining the phase encoding and slice encoding orders in each area of the K space; a step of associating the motion of the subject with the each area of the K space; a step of determining the phase encoding and slice encoding amounts according to the motion of the subject; a step of acquiring an echo signal according to the determined phase encoding and slice encoding amounts; and a step of disposing the obtained echo signal in the K space according to the motion of the subject.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010174996-A (JP)
Title: Oil ring for internal combustion engine
Inventor: OGAWA KATSUAKI
IPC: F02F5/00
Filed: 2009-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide an oil ring for an internal combustion engine constituted by forming an oil-repellent and water-repellent coating film good in adhesion to a base material with good productivity in order to restrain adhesion of an oil sludge precursor and/or oil sludge to a surface of the oil ring.  <P>SOLUTION: The oil-repellent and water-repellent coating film 13 for suppressing adhesion of the oil sludge precursor and/or the oil sludge to the surface of the oil ring is provided at least on a part of the oil ring 10, and the coating film 13 has a contact angle with oil of 75° or more and a contact angle with water of 100° or more, and the coating film 13 contains 50-70 atom% of fluorine and 2-5 atom% of silicon.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009299177-A (JP)
Title: Vacuum vapor-deposition apparatus
Inventor: TANIGUCHI AKIRA
IPC: C23C14/30
Filed: 2009-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a reflected-electron trap which has improved a rate of capturing reflected electrons.  <P>SOLUTION: The inside of a vacuum chamber 1 is structured so that an electron gun 9 irradiates an evaporation material 7 stored in a crucible 8 with an electron beam EB to vaporize the evaporation material 7 and make the vaporized particles deposit on a substrate 4. A reflected-electron trap 21 which is installed in the vacuum chamber for capturing the electron beam reflected by the evaporation material has a box-like shape in which a side for reflected electrons to enter is opened and a plurality of small trap bodies 22A, 22B, 22C and so on are installed on its bottom face opposing to the opened part, which extend perpendicularly to the bottom face.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010177586-A (JP)
Title: Light-emitting element and method for manufacturing the same
Inventor: USAMI YOSHIHISA
IPC: H01L33/36
Filed: 2009-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a light-emitting element capable of improving heat radiation performance and further improving light extracting efficiency by forming unevenness on the surface of a transparent conductor layer near a light emitter and controlling its interval pitch and shape: and to provide a method for manufacturing the light-emitting element.  <P>SOLUTION: The light-emitting element comprises at least a transparent conductive layer having a refractive index of not less than 1.7. The surface of the transparent conductive layer has a recessed and projected part which is formed by providing the surface of the transparent conductive layer with a plurality of portions that are recessed with respect to the surface taken as the reference. The shortest distance between the centers of adjacent recessed portions is not less than 100 nm but not more than 1,200 nm, and the depth of each recessed portion is not less than 60 nm but not more than 350 nm.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010173922-A (JP)
Title: Silicon carbide joined body and method for producing the same
Inventor: UMETSU MOTOHIRO
IPC: C04B37/00
Filed: 2009-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a joined body having a small position gap after joining, high joining strength and airtightness and excellent size accuracy in a hollow part even in the case of having the hollow part and to provide a method for producing the same.  <P>SOLUTION: In the silicon carbide joined body where a first silicon carbide sintered body 11 and a second silicon carbide sintered body 12 are joined via a joining layer 14 consisting of metal silicon and silicon carbide, the first silicon carbide sintered body 11 has a joining surface 11a where a metal silicon layer 13 containing silicon carbide is formed, the second silicon carbide sintered body 12 has a joining surface 12a contacting the metal silicon layer 13 containing silicon carbide and the joining surface 12a of the second silicon carbide sintered body 12 has a surface roughness Ra of 0.6 μm or less. The silicon carbide joined body is characterized in that the metal silicon layer 13 containing silicon carbide is joined via the heat-treated joining layer 14.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009154540-A (JP)
Title: Printing device, printing method, and printing system
Inventor: TAKAGI TATSUYA
IPC: B65H7/06
Filed: 2009-02-02
Abstract: <P>PROBLEM TO BE SOLVED: To prevent a double-sided printing job from being wasted even if a device recognizes, after the reception of a double-sided printing job, that a medium stored in a paper feed tray cannot be used for double-sided printing.  <P>SOLUTION: When a medium determining means determines that a medium cannot be used for double-sided printing, image data are set so that printing is carried out on the front and back in this order. Then, the device performs a process so that after a first printing page is printed on one side of a medium, the medium is ejected by an ejecting section, and after a second printing page is printed on one side of a medium different from that medium, the different medium is ejected by the ejecting section.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009104643-A (JP)
Title: Processor
Inventor: TANAKA TETSUYA
IPC: G06F9/32
Filed: 2009-02-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a processor to perform loop processing at high speed with low power.  <P>SOLUTION: The processor 100 includes an ordinary instruction buffer 122; an instruction buffer 123 for TAR; a flag storage part storing a Valid bit indicating whether or not an instruction is filled in the instruction buffer 123 for TAR; a selector 121 for selecting either the ordinary instruction buffer 122 or the instruction buffer 123 for TAR as an instruction supply source; and an instruction fetch control part 102, which fetches an instruction from a first address and stores the same in the buffer 123 for TAR when a first filling instruction is executed, and repeatedly supplies an instruction from the instruction buffer 123 for TAR when a loop instruction is executed, wherein when an instruction fetched from the first address of an instruction cache 10 is filled in the instruction buffer 123 for TAR, Valid bit indicating that state is stored in the flag storage part.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2010179223-A (JP)
Title: Method for performing neutralization treatment for acid gas and apparatus therefor
Inventor: KANAZAWA MASAZUMI
IPC: B01D53/68
Filed: 2009-02-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for performing neutralization treatment on acid gases that are defanged by neutralizing acid gases generated when halogen compounds such as chlorofluorocarbons are decomposed and treated and various kinds of acid gases discharged from a garbage incinerator, and an apparatus therefor.  <P>SOLUTION: The method for performing neutralization treatment that performs neutralization treatment on the acid gases by filling a neutralization tower 11 with a neutralizer 12 composed of calcium carbonate, calcium oxide or a mixture of calcium oxide and calcium carbonate and allowing the acid gases to pass through the inside of the neutralization tower 11 so as to contact the neutralizer 12, and the neutralizing/treating apparatus of acid gases including the neutralization tower 11 filled with the neutralizer 12, a means that supplies the acid gases to the neutralization tower 11, and a means that allows the acid gases to contact the neutralizer 12 and discharge them, are basically provided.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010182881-A (JP)
Title: Method for manufacturing semiconductor device
Inventor: SAKUMA TOMONORI
IPC: H01L29/12
Filed: 2009-02-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a semiconductor device with a superjunction structure that can improve yield.  <P>SOLUTION: The method for manufacturing the semiconductor device, includes: forming a first-conductivity-type semiconductor region on a semiconductor layer; forming a mask member on the first-conductivity-type semiconductor region; selectively forming an opening in the mask member; etching the first-conductivity-type semiconductor region exposed to the opening to form a trench having a larger diameter than the opening and an eaves-like mask projected above the trench and made of the mask member; and forming a second-conductivity-type semiconductor region in the trench below the eaves-like mask by epitaxial growth to form a structure section in which the first-conductivity-type semiconductor region and the second-conductivity-type semiconductor region are alternately repeated in a direction generally parallel to a major surface of the semiconductor layer.  <P>COPYRIGHT: (C)2010,JPO&INPIT