baber/WOPTO huggingface dataset:
Patent JP-2002515687-A (JP)
Title: メッセージ伝送のための方法及びシステム
IPC: H04B7/005
Filed: 1999-05-07
Abstract: (57)【要約】
本発明は、送信器および受信器として構成された２つのユニットを用いたメッセージ伝送方法に関しており、この場合前記ユニットの各々がイニシエータユニットとして機能可能であり、そのつどの他のユニットが応答ユニットとして機能し、該応答ユニットは、多数の無線チャネルを操作し、チャネル上の信号レベルおよび/またはノイズレベルを記録する。これらのユニット間での通信は、多数の選択されたチャネルからの少なくとも１つのチャネル上で行われる。この選択は、少なくとも１つのチャネル上の信号レベルおよび/またはノイズレベルの評価に基づいている。
Patent JP-2002519889-A (JP)
Title: 簡略形ａｍステレオ検波器
IPC: H04H1/00
Filed: 1999-06-23
Abstract: (57)【要約】
左右のステレオ可聴情報が、両立性直交振幅変調（C-QUAM）放送から、真のC-QUAM復号に対して簡略化された近似を用いて、再生される。真のC-QUAM復号における様な包絡線信号の生成や余弦修正係数の計算を避ける同期検波近似が、用いられる。この方法は、計算能力をあまり必要とせず、それにより、デジタル信号処理器が同時に他の機能を実行するのを可能とする。この方法は、通常の放送素材を再生するとき、認知可能な歪みや影響を生じることがない。
Patent JP-2002520551-A (JP)
Title: ディファレンシャル速度感応およびトルク感応制限スリップカップリング
IPC: F16H48/20
Filed: 1999-07-06
Abstract: (57)【要約】
【課題】  制限スリップディファレンシャルを提供すること。
【解決手段】  静水圧ポンプ(９６)を備えた制限スリップディファレンシャル(１０)。キャリヤにスプラインされた一対の圧力プレートが、一対の対向したランプを構成する。これらは、ピニオンシャフトによって支持されたディファレンシャルピニオンによって係合される。これらのピニオンは、２つの側方ギヤの各々に係合する。摩擦クラッチ組立体が、各側方ギヤに隣接して位置される。トルクがピニオンに及び２つの軸シャフトの各々の各側方ギヤに伝達されたときに、圧力プレートがランプ面に作り出されたスラスト力の軸線方向成分を伝達する。各摩擦クラッチ組立体は、一方の軸シャフトが他方の軸シャフトよりも多く回転したときにバイアストルクがもたらされるように、側方ギヤによって及びキャリヤによって支持された摩擦ディスク有する。静水圧ポンプ(９６)が、キャリヤに連結された一方のポンプ部材と、軸シャフトのうちの一方に連結された別のポンプ部材とを有する。静水圧ポンプ(９６)は、ランプによって生じさせられたトルク感応バイアスを補足するディファレンシャル速度感応バイアスを作り出す。
Patent JP-2002538760-A (JP)
Title: 泌乳期乳牛の乳生産の増加法
IPC: A23K1/00
Filed: 1999-07-30
Abstract: (57)【要約】
第一胃で保護されるコリン化合物を分娩前の乳牛に投与することによる、泌乳期乳牛における乳生産の増加法について開示する。
Patent JP-2002525850-A (JP)
Title: 集積回路ゲート導電体上に形成されたスペーサをエッチングするための装置および方法
IPC: H01L29/78
Filed: 1999-03-12
Abstract: (57)【要約】
半導体基板（１６）が反応室（１１）内へ第１の電極（１２）と第２の電極（１４）との間に導入されるドライエッチングプロセスを呈示する。半導体基板（１６）は第１の電極（１２）上に位置決めされるであろう。アルゴン流量のアルゴン流と炭化フッ素流量の炭化フッ素流とを含むガスの主流が、反応室（１１）へ設けられる。次いで低周波数のＲＦ電力（２２）が第１の電極（１２）に与えられフッ素欠乏プラズマを生成するであろう。半導体基板（１６）上に配置される酸化物層（３８）がフッ素欠乏プラズマにさらされ、単一のステップで酸化物層（３８）の一部をエッチングする。
Patent JP-2002528654-A (JP)
IPC: C11D3/10
Filed: 1999-10-22
Abstract: The present invention relates to fabric care methods for restoring and/or rejuvenating color of worn, faded fabric, by applying to said fabric a fabric color care composition which comprises: water soluble and/or water dispersible polymers; surfactant capable of forming a bilayer structure; and mixtures thereof. Optionally, the composition can contain other ingredients to provide additionally fabric care benefits, and/or to improve performance and formulatability. The composition is preferably applied as small particle size droplets, escpecially from spray container which preferably are in association with a set of instructions for use.
Patent JP-2002529582-A (JP)
IPC: C11D3/39
Filed: 1999-11-05
Abstract: A detergent composition comprising a bleach-sensitive component and a hydrogen peroxide source, wherein the hydrogen peroxide source is present in a particulate component having an average particle size, by weight, of from 700 microns to 1100 microns, preferably from 750 microns to 1000 microns, whereby at least 80% by weight of the particulate component comprising the hydrogen peroxide source has a particle size of between 70% to 130% of the of the average particle size. The compositions preferably comprise a bleach activator of a specified average particle size.
Patent JP-2002530920-A (JP)
IPC: H03G3/20
Filed: 1999-11-11
Abstract: The invention relates to a method and an apparatus for implementing automatic gain control in a system where an analog signal is converted into a digital signal. The apparatus comprises means (208) for performing automatic gain control of the adjustable signal in an analog manner using a gain control step of predetermined size and means (446, 448) for performing inverse gain control of the digitized signal in such a way that, after the digital adjustment, the power of the signal is the same as before the analog adjustment. To enable an accurate gain control, the apparatus further comprises means (410, 412, 214, 420) for determining the maximum energy of the signal during a predetermined measurement period, means (426, 428) for comparing the determined maximum energy to preset threshold values (430, 432), and means (436) for performing an automatic gain control of the analog signal and a compensation for the gain control to the digital signal, if the measured value exceeds the threshold.
Patent JP-2002531573-A (JP)
IPC: A61K31/70
Filed: 1999-12-03
Abstract: The invention relates to glyceryl nucleotides of the formula Iain whicha) one of the radicals A<1>, A<2 >and A<3 >is a hydrogen atom or a radical selected from hydroxyl, mercapto, alkyl, alkenyl, polyoxyalkenyl, aryl, acyl, alkyloxy, alkenyloxy, polyoxyalkenyloxy, acyloxy, aryloxy, alkylthio, alkenylthio, acylthio and arylthio, where the alkyl, alkenyl and acyl radicals are optionally substituted by from 1 to 3 aryl radicals; andb1) two of the remaining radicals A<1>, A<2 >and A<3 >are two nucleoside groups which are different from each other; orb2) one of the remaining radicals A<1>, A<2 >and A<3 >is a nucleoside group and the other of the remaining radicals is a hydroxycarbonyl group,where at least one of the nucleoside groups is not a naturally occurring nucleoside group;to processes for preparing these compounds, to pharmaceutical remedies which comprise these compounds, and to the use of these compounds for treating cancer diseases and infectious diseases.
Patent JP-2002533010-A (JP)
Title: デジタル信号を送信する方法及び無線システム
IPC: H04B7/06
Filed: 1999-12-15
Abstract: (57)【要約】
本発明は、デジタル信号を送信する方法及び無線システムに係る。この方法は次の段階を含む。即ち、送信器は、少なくとも２つの異なる送信アンテナ経路を経て信号の少なくとも一部分を送信し(300)、送信器は、異なる送信アンテナ経路を経て送信されるべき信号の送信電力を、各送信アンテナ経路に対して決定された変更可能な重み付け係数により互いに重み付けし(302)、そして受信器は、その信号を受信する(304)。１つの実施形態では、受信器は、異なる送信アンテナ経路を経て送信された受信信号に対して測定を実行し(306)、受信器は、上記測定に基づいて形成された重み付け係数データを送信器にシグナリングし(308)、そして送信器は、重み付け係数データシグナリングにより重み付け係数を形成する(312A)。別の実施形態では、送信器は、それが受信した重み付け係数データシグナリングに対するクオリティ値を形成し(310)、そして送信器は、重み付け係数データシグナリングのクオリティ値及びシグナリングそれ自体により重み付け係数を形成する(312B)。
Patent JP-2002536647-A (JP)
IPC: G08G1/0968
Filed: 2000-01-25
Abstract: Method for making navigation data available in a vehicle, in particular a road vehicle, whereby use is made of means (7) to determine the position of the vehicle (3) on the one hand, and whereby navigation data (5) are transmitted via a wireless connection to a telematics device (2) in the vehicle (3) on the other hand, characterised in that at least a number of navigational calculations are made in the telematics device (2) of the vehicle (3) itself, based on the navigation data (5) received via the wireless connection.
Patent JP-2002542046-A (JP)
IPC: G06V10/145
Filed: 2000-02-15
Abstract: A device for separating disc-shaped bodies from an original body includes a separating device, a feeding device, an optical recognition device for determining the front face contour of the original body and lamps for illuminating the surroundings of the cutting surface. The recognition device detects the front face using the contrast between the surroundings of the front face and the original body in relation to the determined front face. The lamps are mounted in a tunnel and arranged in a planar manner along the longitudinal direction of the original body. The method includes the steps of guiding the source body in a tunnel, mounting a plurality of lamps in a planar fashion along the longitudinal direction of the source body in the tunnel, and illuminating the source body and the environment of the face of the source body with the plurality of lamps.
Patent JP-2002541438-A (JP)
Title: 混合細胞個体群内の希少な細胞型の同定及び分析用システム及び方法
IPC: G01N33/48
Filed: 2000-02-17
Abstract: (57)【要約】
キャリヤ（１０）によって運ばれた細胞の混合個体群中の希少細胞を検出し分析するための方法及びシステム。該方法は、（ａ）キャリヤ（１０）の希少細胞を形態学的に同定しかくして既知の場所の同定済み希少細胞を得るために自動式又は半自動式光学走査システム（３０）を使用すること、及び（ｂ）同定済み希少細胞を化学的、生化学的及び／又は遺伝学的に分析することによって実施される。
Patent JP-2002537607-A (JP)
Title: Ｒｆトークン及びその非接触式ｉｃカード判読装置
IPC: G06K7/00
Filed: 1999-05-15
Abstract: (57)【要約】
購入及び携帯が容易で２〜３回以内の使用のみを目的にする交通手段料金支払用ＲＦトークンとその判読装置において，ＲＦトークン１０の外皮はプラスチック材質からなっており、小銭形態を有する。前記外皮の内部には半導体チップが内蔵されている。前記半導体チップの接触領域からアンテナコイルが螺旋形で巻かれている。ＩＣカード判読装置において、ハウジングの外部面には投入口が形成されている。シャッター４２は前記ハウジング投入口から内側に所定距離離隔された地点に設けられており、前記ＲＦトークン１０を選択的に通過させる。ソレノイド６０は前記シャッターに結合されているプランジャ６２を含んで、前記シャッター４２を選択的に移動させる。判読及び制御部は前記シャッター上に置かれる前記ＲＦトークンに貯蔵された情報を判読して判読された情報によって前記ソレノイド６０を選択的に駆動する。受納部３８は前記シャッターを通過するＲＦトークンを受納する。
Patent JP-2002541038-A (JP)
IPC: B65H19/12
Filed: 1999-10-14
Abstract: A loading and unloading apparatus 1 for transporting reels 20, 21, 22 to and from a point-of-use, comprising a turntable 31 rotatable in the horizontal plane and located remote from the point-of-use, and means extending between the turntable and point-of-use and arranged to transfer reels to and from the point-of-use from and to the turntable 31, wherein the reel transfer means comprises support rails 40, 41 and/or wheels or rollers, with each reel 20, 21, 22 being movable therealong in the direction of its rotational axis.
Patent JP-2003517458-A (JP)
IPC: A61P27/16
Filed: 2000-04-28
Abstract: Therapeutic compounds and methods for modulating amyloid aggregation in a subject, whatever its clinical setting, are described. Amyloid aggregation is modulated by the administration to a subject of an effective amount of a therapeutic compound of the formula or a pharmaceutically acceptable salt or ester, such that modulation of amyloid aggregation occurs. R1 and R2 are each independently a hydrogen atom or a substituted or unsubstituted aliphatic or aryl group. Z and Q are each independently a carbonyl (C═O), thiocarbonyl (C═S), sulfonyl (SO2), or sulfoxide (S═O) group. “k” and “m” are 0 or 1, provided when k is 1, R1 is not a hydrogen atom, and when m is 1, R2 is not a hydrogen atom. In an embodiment, at least one of k or m must equal 1. “p” and “s” are each independently positive integers selected such that the biodistribution of the therapeutic compound for an intended target site is not prevented while maintaining activity of the therapeutic compound. T is a linking group and Y is a group of the formula -A X wherein A is an anionic group at physiological pH, and X is a cationic group.
Patent JP-2002542892-A (JP)
IPC: A61M25/14
Filed: 2000-05-04
Abstract: A central venous catheter includes coolant supply and return lumens which communicate coolant to and from first and second heat exchange membranes arranged along the distal segment of the catheter. The coolant in the heat exchange membranes removes heat from the patient. Additional lumens are provided for conventional central venous catheter uses.
Patent JP-2003530614-A (JP)
Title: 表示データの回転の向きを変更するためのシステムおよび方法
IPC: G06F3/048
Filed: 2000-04-27
Abstract: (57)【要約】
本発明は、ラップトップ・コンピュータあるいはノートブック・コンピュータのような装置の表示画面上の画像ウィンドウの向きを変更し、その装置が、本を読むことに関する見た目、感覚および雰囲気を与えられるようにするシステムおよび方法を特徴とする。本発明は、表示画面が縦長の向きの表示画面に向けられるように回転するとき、表示するための画像ウィンドウを回転し、拡大することにより、横長の向きの表示画面上の画像ウィンドウの向きを変更するためのシステムおよび方法に向けられる。その向きは、画像ウィンドウを表示するのに、より適している。また、この画像ウィンドウのための、下側にあるコントロール・ボタンの向きも変更される。
Patent JP-2002202368-A (JP)
Title: Imaging apparatus
Inventor: TATSUMI HIROSHI
IPC: G01P3/00
Filed: 2001-01-05
Abstract: PROBLEM TO BE SOLVED: To realize to make an image carrier exert a high resolution and a high image quality by detecting a rotational speed of the image carrier highly accurately and inexpensively. SOLUTION: A surface velocity of the image carrier 1 is detected with the use of a detector provided with a transmitter S for transmitting ultrasonic waves fs to a surface of the image carrier 1, and a receiver O for receiving reflected waves fo reflected at the surface of the image carrier 1. Accordingly, to rotate the image carrier 1 highly accurately is realized, and the detection is enabled stably at all times without being affected by toner contamination, slide flaws or the like at an observation face of the image carrier 1.
Patent JP-2002200678-A (JP)
Title: Winding device for narrow strip-shaped material
Inventor: MORITA KENICHI
IPC: B29D30/30
Filed: 2001-01-09
Abstract: PROBLEM TO BE SOLVED: To provide a winding device for a narrow strip-shaped material which can wind the narrow strip-shaped material on a belt material, with the beginning end part or the joint contact-bonded surely, and can improve operability and productivity. SOLUTION: A contact-bonding means 10 is so designed that the beginning end part or the joint of the narrow strip-shaped material W is wound with a forming drum 3 rotated. The means is composed of a contact-bonding cylinder 12 fixed to an elevatable frame 11 and a rotating body 15 provided rotatably at the fore end of a rod 13 of the cylinder 12 with a flange 14 interposed, and the rotating body 15 is so supported as to rotate, following up the rotation of the forming drum 3. For the rotating body 15, any one of a bearing, a resin roll and a rubber roll, for instance, is used.
Patent JP-2002202034-A (JP)
Title: Electric equipment arranging structure of motorcycle
Inventor: TOYODA HIDETOSHI
IPC: F02M51/02
Filed: 2001-01-09
Abstract: PROBLEM TO BE SOLVED: To arrange electric equipment such as a fuel injection control unit 76 for controlling fuel injection in an intake air box 36 in the vicinity of a lid 78 by blocking up an upper surface of the intake air box 36 by the lid 78. SOLUTION: Maintenance of the electric equipment such as the control unit arranged in the intake air box and controlling the fuel injection, can be easily performed by removing the lid of the intake air box so that maintenance time can be shortened. Since the electric equipment exists in the intake air box, the electric equipment can be prevented from being exposed to muddy water and rainwater.
Patent JP-2002205536-A (JP)
Title: Vehicular air-conditioning system
Inventor: ODATE TAIJI
IPC: F02D29/02
Filed: 2001-01-09
Abstract: PROBLEM TO BE SOLVED: To provide a vehicular air-conditioning system for facilitating simplified and miniaturized construction by reducing the number of parts and improving cooling efficiency. SOLUTION: A motor generator MG and a compressor CP are integrally constructed in series arrangement. Both housings are fastened and fixed to each other with a bolt 48. Rotating shafts 44, 6 of both housings are connected to each other. The rotating shaft 44 is provided with an electromagnetic clutch 57 capable of connecting/disconnecting power transmission to/from an engine Eg. During operation of the engine Eg, with the power transmission from the engine Eg the compressor CP is driven for compression of a cooling medium and a motor generator MG is driven for electric generation. During stop of the engine Eg, the compressor CP is driven by the motor generator MG in the state that the electromagnetic clutch 57 is cut. The engine Eg is started by the drive of the motor generator MG.
Patent JP-2002206230-A (JP)
Title: Ground test machine and ground test method
Inventor: SUMITOMO YOSHINORI
IPC: E02D1/02
Filed: 2001-01-10
Abstract: PROBLEM TO BE SOLVED: To provide a ground test machine and a ground test method capable of obtaining data concerning the settlement characteristic of ground. SOLUTION: The ground test machine 1 is provided with a rod 2, a load plate 3 projected so as to be vertically positioned by spirally spacing an upper edge 3a and a lower edge 3b on the lower end of the rod 2, a load mounting plate 4 projected orthogonally at the prescribed position of the rod 2 and a handle 5 fixed orthogonally on the upper end of the rod 2. In the ground test method, after the ground test machine 1 is vertically downward rotated and interpenetrated in the state that the load plate 3 is directed downward from the ground 15 and the load plate 3 is positioned at prescribed depth in the ground 16, a quantity of settlement of the ground test machine 1 is measured in the state that a weight 13 is mounted on the load mounting plate 4.
Patent JP-2002209294-A (JP)
Title: Ultrasonic sensor, electronic unit provided with the same and vehicle rear sonar
Inventor: AMAIKE SHINJI
IPC: G01S7/521
Filed: 2001-01-10
Abstract: PROBLEM TO BE SOLVED: To provide an ultrasonic sensor which narrows the half attenuation angle in the directivity characteristic of ultrasonic wave while keeping a reverbation characteristic stable. SOLUTION: The boom part of a cylindrical sensor case 4 is adopted as a diaphragm 5 and a piezoelectric vibrating element 7 is mounted at the nearly center of the inner surface of the diaphragm 5 in the ultrasonic sensor. In the sensor, a carved part whose depth in the direction at right angles to the vibrating surface of the diaphragm 5 is at least equal to or larger than the bottom thickness is formed in the outer peripheral edge of the bottom at the side part of the sensor case 4.
Patent JP-2002209024-A (JP)
Title: Facsimile equipment
Inventor: KAMATA KENICHI
IPC: H04N1/00
Filed: 2001-01-10
Abstract: PROBLEM TO BE SOLVED: To provide a facsimile terminal that is connected to lines and holds transmission processing to a communication opposite party during communication so as to reduce the transmission time. SOLUTION: When the facsimile terminal has a transmission reservation in a standby state (YES in S31) and an idle line exists (YES in S32) and transmission reception processing during communication exists (YES in S33) and a telephone number of a communication opposite party under the transmission reservation is dissident with a telephone number of a communication opposite party during communication (NO in S30), the facsimile terminal discriminates an idle line (S36) and transmits data (S37 or S38). When the telephone numbers are coincident (YES in S34), the facsimile terminal holds the transmission reservation and checks whether or not other transmission reservation in standby can be executed (S35, S34).
Patent JP-2002208445-A (JP)
Title: Cell leakage testing device
Inventor: SATO HIROYUKI
IPC: H01M6/50
Filed: 2001-01-12
Abstract: PROBLEM TO BE SOLVED: To provide a cell leakage testing device which can automatically carry out a precise test within a short time. SOLUTION: The cell leakage testing device comprises the first chamber 11 airtightly housing a standard cell 13, the second chamber 12 airtightly housing a cell to be compared 14, a pressure source 15 making the pressure inside the first and the second chambers equal by adding or reducing the pressure, a pressure sensor 16 detecting the pressure difference between the first and the second chambers, and a control device 17 connected to the pressure sensor.  The control device 17 has a pressure change memory means in which, a prescribed pressure difference against the lapse of time can be inputted, and continuously compares the measured pressure difference between the first and the second chambers 11, 12, and finish the test and release the pressure of the first and the second chamber 11, 12 when the measured pressure difference becomes bigger than the pressure difference of the prescribed pressure difference.
Patent JP-2002210522-A (JP)
Title: Punch press and method for positioning die holder
Inventor: TOKUNAGA HIRONORI
IPC: B21D28/24
Filed: 2001-01-16
Abstract: PROBLEM TO BE SOLVED: To surely position a die holder with which a die is supported and which is provided on the frame of a punch press attachably and detachably in a prescribed position with high accuracy and also to improve the maintainability. SOLUTION: This punch press 1 has an approximately rectangular punch holder 47 in which a lot of punches P are stored and which is fixed to the frame 5 and an approximately rectangular die holder 103 in which dies D corresponding to the punches P and which is freely attachably and detachably in the front and rear horizontal direction to the frame 5.  A guide member 143 for supporting the die holder 103 approximately horizontally when attaching and detaching the member is provided and also, when fitting the die, a plurality of striking parts for performing the positioning of the die holder 103 in one direction of the front and rear direction or the right and left direction are provided in distant positions and line-contact or point-contact striking parts for performing the positioning of the die holder 103 in the right and left direction are independently provided on a planar striking face.  In order to make one of these positioning mechanisms, which perform independent positioning in ht orthogonal directions, abut on the surface of the striking parts, and in order to make the other abut to the striking parts in line contact or point contact, they consist of combination of a planar striking face and a curved or a spherical striking face.
Patent JP-2002213580-A (JP)
Title: Pulley member for belt type continuously variable transmission(cvt)
Inventor: SHIMURA YOSHIO
IPC: F16H9/12
Filed: 2001-01-18
Abstract: PROBLEM TO BE SOLVED: To provide a new technique for improving a frictional characteristic in order to respond to a desire for further increasing a torque capacity. SOLUTION: This pulley member is wound with a transmission belt in a belt type CVT for a vehicle. The roughness Rz (ten-point average roughness) of a surface shape in a contact area brought into contact with the transmission belt is 5-50 μm, and the surface shape includes a plurality of protruded stripes having the prescribed directivity in this pulley member.
Patent JP-2002218167-A (JP)
Title: Image reader
Inventor: KANESAKA YOSHINORI
IPC: H04N1/00
Filed: 2001-01-22
Abstract: PROBLEM TO BE SOLVED: To provide a scanner, the power supply of which can be selected depending on an operating state without the need for special setting. SOLUTION: The scanner 1 is connected to a personal computer 3 with a USB cable 62. The personal computer 3 supplies power to the scanner 1 via the USB cable 62. When the scanner 1 reads a simple image, the scanner 1 can be operated by simply connecting it to the personal computer with the USB cable 62. Furthermore, when a power cable 52 is connected to the scanner 1 while the scanner 1 and the personal computer 3 are being connected, the scanner 1 reaches an external power supply state. Thus, the power supply can simply be switchedover. In the case of the external power supply state, a CPU41 increases power supplied to a drive means 30 to increase the moving speed of a carriage 20. Furthermore, the CPU41 increases the luminous quantity of a light source 21 and extends the charge storage time of CIS(Constant Image Sensor) 23.  Thus, the scanner 1 can read an image at a higher speed and with higher image quality.
Patent JP-2002216740-A (JP)
Title: Non-aqueous secondary battery
Inventor: TSUTSUE MAKOTO
IPC: H01M10/05
Filed: 2001-01-23
Abstract: PROBLEM TO BE SOLVED: To provide a method for drawing out a lead capable of making the best use of merits of a thin battery without lowering the volume energy density in a battery having a positive electrode lead and a negative electrode lead, each one end of which is connected to a positive electrode plate and a negative electrode plate, respectively, stored in an outer case made of a laminate sheet where metal foil is interposed between resin films and laminated, in which the leads are drawn out to the outside from a seal part of the case. SOLUTION: The positive electrode lead and the negative electrode lead are connected to each other in a collecting part disposed from the active material coated ends of the respective corresponding pole plates to both inner confronting ends.
Patent JP-2001244476-A (JP)
Title: Mosfet for linear use and switching use of high frequency
Inventor: KOREC JACEK
IPC: H01L23/52
Filed: 2001-01-24
Abstract: PROBLEM TO BE SOLVED: To provide an inexpensive MOSFET having a more satisfactory maximum current and mutual conductance with respect to linear amplification and having the product of lower on-resistance and a gate charge with respect to high frequency switching. SOLUTION: A MOSFET is manufactured as an SOI(silicon on insulator) having the intermediate layer of oxide and a comparatively thin active layer overlapped on the layer of a substrate. The MOSFET is a lateral device and electric contact is established with respect to a source from the back of an element by a conductive plug which passes through the layer from the surface of the active layer and exists in the substrate. The MOSFET includes silicon germanium multilayer structure formed on the active layer and the polysilicon gate includes a silicon layer overlapped on an upper part for improving performance with a high frequency. Gate oxide is formed to be thicker in the drain end of the gate and it is protected from a peak electric field generated in the area.