baber/WOPTO huggingface dataset:
Patent JP-2009515045-A (JP)
IPC: C21D1/20
Filed: 2006-10-31
Abstract: The method involves austenitizing the carbon steel (1) at a temperature above the austenitizing temperature and then cooling same by passing the steel through a bath (2) having a low volume of quenchant (21) so that a determinable amount of the bainite structure has formed in the bath with the quenchant on the overall steel structure. When the steel leaves the bath the quenchant residue is removed from the steel surface by a gas action and the remaining structural parts of the steel are converted into bainite in a subsequent isothermal tempering station (13) at the conversion temperature for bainite without any deflection of the carbon steel on passing through the isothermal tempering station until the bainite structure has completely formed inside the carbon steel. An independent claim describes a device for forming bainite or sorbite structure in carbon steel with an austenitizing station, a cooling bath with quenchant, an isothermal tempering station and a cooling station (17,18) wherein the tempering station forms a vertical tower so that the steel passes through sufficiently long enough for conversion of the remaining structure into bainite without deflection of the steel.
Patent JP-2009516796-A (JP)
IPC: F02M61/16
Filed: 2006-10-09
Abstract: The invention relates to an intermediate plate for a fuel injector, comprising a high-pressure through-hole which connects a high-pressure passage in a valve body and is connected to a high-pressure fuel reservoir, to a high-pressure space in a nozzle body, wherein the intermediate plate is arranged between the valve body and the nozzle body. In order to improve the injection behaviour of a fuel injector provided with the intermediate plate, in particular during multiple injection of small injection quantities, the high-pressure through-hole has a cross-sectional profile which improves the flow through the high-pressure through-hole from the valve body towards the nozzle body and impairs the flow in the opposite direction from the nozzle body towards the valve body.
Patent JP-2009515655-A (JP)
Title: 眼内近接照射療法のための方法および装置
IPC: A61N5/00
Filed: 2006-11-15
Abstract: 標的組織に放射線を供給するためにカニューレが眼中に導入される、眼内近接照射療法の方法および装置を開示する。標的組織に対してカニューレを適切に位置決めし、非標的組織を保護し、ｘ線放出体によって生成される熱を調節し、治療を組み合わせる技術を開示する。
Patent JP-2009517326-A (JP)
IPC: C04B35/195
Filed: 2006-10-31
Abstract: Disclosed are ceramic honeycomb articles, which are composed predominately of a crystalline phase cordierite composition. The ceramic honeycomb articles possess a microstructure characterized by a unique combination of relatively high porosity between 42% and 56%, and relatively narrow pore size distribution wherein less than 15% of the total porosity has a pore diameter less than 10 mum, less than 20% of the total porosity has a pore diameter greater than 30 mum, and dbreadth<=1.50 wherein dbreadth=(d90-d10)/d50. The articles exhibits high thermal durability and high filtration efficiency coupled with low pressure drop across the filter. Such ceramic articles are particularly well suited for filtration applications, such as diesel exhaust filters or DPFs. Also disclosed is a method for manufacturing the ceramic article wherein the pore former is preferably potato starch having a median particle diameter greater than 40 mum.
Patent JP-2009521927-A (JP)
Title: 多成分食品又は飼料
IPC: A23L27/00
Filed: 2006-12-28
Abstract: 貯蔵安定な食品又は動物用食品が開示される。この食品は、中空でもよく又は粒状成分、気体成分で少なくとも部分的に充填されてもよく、又は２種以上の成分で共押出しされてもよいコアを、少なくとも部分的に取り囲み、１種又は複数の食感、風味及び色を有する食品を形成する、実質的にシリアルベースの外殻を有する。 【選択図】  なし
Patent JP-2009523054-A (JP)
Title: 物質回収デバイス及び使用法
IPC: A61B18/20
Filed: 2006-11-02
Abstract: 患者の体内から物質を回収するために患者の体内に挿入されるように構成された医療デバイスは、バスケットアセンブリを含む。該バスケットアセンブリは、拡張された状態及び折り畳まれた状態を含む様々な状態間を移行するように構成される。該バスケットアセンブリは、拡張状態にある時、側面開口部を除いて可撓性シートに実質的に覆われうる。該バスケットアセンブリが折り畳まれた状態にある時、該側面開口部は実質的に閉鎖されうる。該バスケットアセンブリが折り畳まれた状態にある間、該デバイスは患者の体内に挿入されうる。該バスケットアセンブリは、患者の体内にある間、拡張状態へ移行されうる。次に、医師は、患者の体内から除去される物質を操作し、該側面開口部を通じて該バスケットアセンブリ内に入れることができる。次に、該バスケットアセンブリを患者の体内から除去できるように、該バスケットアセンブリは、折り畳まれた状態又は部分的に折り畳まれた状態へ移行できる。
Patent JP-2009523762-A (JP)
Title: 置換４−フェニルピペリジン類
IPC: A61P27/06
Filed: 2007-01-18
Abstract: 本出願は、一般式の置換４−フェニルピペリジン類およびそれらの塩、好ましくはそれらの薬学的に許容しうる塩（式中、Ｒ ２ 、Ｒ ３ 、Ｗ、およびＸは、本明細書中で説明された意味を有する）、それらの製造方法、およびこれらの化合物の医薬、特にレニン阻害剤としての使用に関する。
Patent JP-2009523609-A (JP)
Title: オレフィンから不飽和アルデヒドを製造するための混合金属酸化物触媒を製造する方法
IPC: B01J37/04
Filed: 2007-01-17
Abstract: 本発明は、イソブチレンなどのオレフィンの気相触媒酸化により、メタクロレインなどの不飽和アルデヒドを生成するための触媒を製造する方法であって、その触媒が、モリブデン、ビスマス、鉄、セシウム、タングステン、コバルト、ニッケル、アンチモン、マグネシウムおよび亜鉛の酸化物を含有するものである方法に関する。この方法は、ほとんどまたは全く撹拌せずに、反応スラリーのエージングまたは熟成による触媒の合成である。触媒前駆体は、水不溶性成分と水溶性成分から形成され、乾燥される。この金属酸化物触媒は、触媒前駆体のか焼により形成される。
Patent JP-2009524632-A (JP)
Title: ピリミジン誘導体
IPC: C07D405/14
Filed: 2007-01-25
Abstract: 本発明は、式（Ｉ）［式中、Ｒ １ 、環Ａ、ｎ、Ｒ ３ 、及びＲ ４ は、本明細書に定義した通りである］のベンズアミド化合物、又はその医薬的に許容される塩に関する。本発明はまた、このような化合物の製造の方法、それらを含有する医薬組成物、並びに、ＥｐｈＢ４及び／又はＥｐｈＡ２及び／又はＳｒｃキナーゼの阻害に感受性がある腫瘍や他の増殖性状態の予防又は治療における抗増殖剤として使用の医薬品の製造におけるそれらの使用に関する。
Patent JP-2009524692-A (JP)
Title: ドライアイのための処方物および方法
IPC: A61K31/192
Filed: 2007-01-25
Abstract: 提供されるのは、ドライアイを処置および予防する、そして／または涙液膜破壊時間を延長するための方法および組成物である。本発明により、ドライアイを処置または予防するために有効な量のＮＳＡＩＤを含む、眼科用処方物が提供される。代用涙と、ドライアイを処置または予防するために有効な量のＮＳＡＩＤとを含む、眼科用処方物もまた提供される。このＮＳＡＩＤは、ケトロラクトロメタミン、インドメタシン、フルルビプロフェンナトリウム、ネパフェナック、ブロムフェナック、スプロフェンおよびジクロフェナックからなる群から選択され得る。
Patent JP-2009525473-A (JP)
Title: ミニチュアばね要素とその製造方法
IPC: G01Q70/16
Filed: 2007-01-29
Abstract: ミニチュアばね要素（１、１′）は、特に原子間力顕微鏡において原子間力や分子力を検出するための梁形探針或いはカンチレバとしての使用に特に適しており、そのために、その変位の特に確実で高解像度の検出が可能となる。このために、ばね要素（１、１′）は、焦束されたエネルギ粒子或いは電磁波による局所的蒸着の原理を利用して、或いは熱分解誘導式蒸着によって製造される。
Patent JP-2009528650-A (JP)
Title: 内蔵メモリ内のビット線プリチャージ
IPC: G11C11/413
Filed: 2007-02-08
Abstract: 集積回路デバイス(100)は、第1のプリデコード値を受け取る第1の入力、第1のクロック信号を受け取る第2の入力、及び第1のクロック信号のエッジ事象に応答してラッチされた第1のプリデコード値を提供する出力を有する第1のラッチ(204)を含む。集積回路デバイス(100)は更に、メモリ構成要素(104)を含む。メモリ構成要素(104)は、ラッチされた第1のプリデコード値及びラッチされた第2のプリデコード値を受け取る入力と、第1のビット線と、第1のビット線に結合された複数のワード線とを含む。各ワード線は、ラッチされた第2のプリデコード値の対応するビットに関連付けられる。集積回路デバイス(100)は更に、ラッチされた第1のプリデコード値の対応するビットを受け取る入力を有するロジックを含む。ロジック(404)は、ラッチされた第1のプリデコード値の対応するビットにおける値のみに直接応答して第1のビット線をプリチャージすることになる。 【選択図】図２
Patent JP-2009529210-A (JP)
Title: 回転レバースイッチ機構を有する電気スイッチ素子、特にリレー
IPC: H01H57/00
Filed: 2007-03-05
Abstract: 【解決手段】電気スイッチ要素、特にリレーは、アクチュエータ（５）、スイッチコンタクト（２）、及びスイッチ機構（７）を有する。スイッチ機構は、アクチュエータの駆動運動（６）をスイッチコンタクトのスイッチング運動（４）に変換するので、スイッチコンタクトは、相手コンタクト（３）との接触及び接触解除をもたらす。駆動運動が小さいリフトで実行することができるアクチュエータの場合に大きなリフトのスイッチング運動を形成するために、スイッチ機構は、アクチュエータを介して互いに接続された少なくとも２本の回転レバー（８）と、少なくとも１個のコンタクトリテーナ（１０）とを有する。コンタクトリテーナは、２本の回転レバーを縦方向（１５）に沿って接続し、縦方向に対して横断する方向に撓むことができるように構成される。
Patent JP-2010161196-A (JP)
Title: Cooling apparatus, electronic apparatus, and blower apparatus
Inventor: KIMURA TORU
IPC: G06F1/20
Filed: 2009-01-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide technology for a cooling apparatus automatically removing dust sticking to a heat sink.  <P>SOLUTION: This cooling apparatus 100 includes a heat sink 60, a blade member 10, a fan case 20 housing the blade member 10, a turnable turning member 30, and a drive mechanism to drive the turning member 30. The turning member 30 is brought down in a state parallel to an air current during a cooling mode. On the other hand, the turning member 30 is turned to an angle of 90° in relation to the passage direction for instance in a dust removing mode. Thereby, since the passage 26 of the air current can be partially narrowed, a secondary vortex is generated on the right side of the turning member. Dust sticking to the opposed surface 60a of the heat sink can be removed. Since the cooling mode and the dust removing mode are controlled by a CPU, the dust can be automatically removed from the heat sink 60.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010160691-A (JP)
Title: Bill storage device
Inventor: TACHIKAWA HIROYUKI
IPC: G07D9/00
Filed: 2009-01-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a reliable bill storage device capable of securely collecting bills in a bill storage part when storing the bills in a bill storage box.  <P>SOLUTION: The bill storage device includes: the bill storage box 3 which takes in and stores the bills; a stage 4 on which the bills are mounted; an endless conveyance belt 11 which is oppositely arranged above the stage 4 and erected along the taking in direction of the bills; a plurality of flexible cantilever blades 12 whose one end is connected to the conveyance belt 11 and whose other end is assigned in an open state; a drive means 20 of the conveyance belt 11; and a guide member 5 which abuts against the cantilever blade and bends the blade. When storing the bills in the bill storage box 3, the cantilever blade 12 bent by the guide member 5 is inserted under the bills taken in from an entrance part 6 of the box, and the bills are pinched between the first cantilever blade 12 under which the bills are inserted and the second cantilever blade 12 adjoining the first cantilever blade, conveyed along the upper surface of the contained bills, and stored in the bill storage box 3.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010160865-A (JP)
Title: Semiconductor memory device and method of driving semiconductor memory device
Inventor: MATSUOKA NORIYOSHI
IPC: G11C11/4091
Filed: 2009-01-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a memory having a reduced data write-in period.  <P>SOLUTION: The memory includes: a first bit line BL and a second bit line bBL for transmitting data of logics reverse to each other; a first sense node SN and a second sense node bSN respectively connected to the bit lines BL, bBL; first and second data lines DQb, DQ for transmitting external data to the sense node SN or bSN; a first writing transistor TP6 connected between the bit line BL and the data line DQ or bDQ; and a second writing transistor TP7 connected between the bit line bBL and the data line DQ or bDQ. In the data write-in, the first writing transistor TP6 transmits the data from the data line bDQ to the bit line BL without getting through the second sense node bSN, and also the second writing transistor TP7 transmits the data from the data line DQ to the bit line bBL without getting through the first sense node SN.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010162731-A (JP)
Title: Optical laminate film
Inventor: HANEDA MASAKI
IPC: G02B5/02
Filed: 2009-01-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical laminate film which has an excellent optical diffusivity, shows suppressed adhesion to a neighboring member when being assembled in a backlight unit, and further does not cause welding of a clip to an edge of a film in an extension process thereby to be manufactured in high productivity.  <P>SOLUTION: The optical laminate film includes: an optically diffusive layer and an adhesion-preventing layer mounted on at least one surface of the optically diffusive layer wherein the adhesion-preventing layer includes a polyester and a protrusion-forming particle, and does not substantially contain a void; an average particle diameter d50 of the protrusion-forming particle is 1-20 μm; the optically diffusive layer is composed of a copolymerized polyester having a melting point 5 to 50°C lower than that of the polyester of the adhesion-preventing layer and an optically diffusive particle, and does not substantially contain a void; an average particle diameter d50 of the optically diffusive particle is 1 to 20 μm; the adhesion-preventing layer is 0.1-0.9 time as thick as the average particle diameter d50 of the optically diffusive particle; and ten point average roughness Rz of the adhesion-preventing layer is 500-20,000 nm.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010166308-A (JP)
Title: WiMAX BASE STATION CONTROL SYSTEM
Inventor: DOI YUSUKE
IPC: H04W92/20
Filed: 2009-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a WiMAX base station control system capable of dispersing a load as an anchor base station.  <P>SOLUTION: A WiMAX base station control system 10 has: a mobile terminal 12; a base station 14 connected with the mobile terminal 12 by radio; an EMS 24 connected with the base station 14 via an access network 22 and which controls the base station 14. The base station 14 has a plurality of anchor base stations, each of which serves as a transmission source for packets from the mobile terminal 12 to the access network 22. The EMS 24 collects the number of registration of the mobile terminal 12 registered as the transmission source by each anchor base station, and specifies an anchor base station (14c) with the maximum number of registration which has the maximum collected number of registration, and changes the transmission source of a part of the mobile terminals 12 among the mobile terminals 12 registered to the anchor base station (14c) with the maximum number of registration to the other anchor base station (14a and 14b). Thereby, a load as an anchor base station is dispersed.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010059769-A (JP)
Title: Bathroom drainage apparatus
Inventor: KITAMURA SOETSU
IPC: E03C1/20
Filed: 2009-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a bathroom drainage apparatus facilitating maintenance such as repair and inspection of a selector valve for switching inflow of bathtub pan drainage and bathtub drainage to a washing place drainage trap.  <P>SOLUTION: An inflow port 11 of the drainage trap 10 and a bathtub drainage inflow port 4a of a drainage socket 4 are connected to each other through bathtub drainage pipe 6. One end of bathtub pan drainage pipe 7 is connected to a bathtub pan drainage inflow port 4g of the drainage socket 4, and the other end of the bathtub pan drainage pipe 7 is connected to the bathtub drainage pipe 6 near the inflow port 11 of the drainage trap 10. The selector valve 40 for switching the bathtub drainage from the bathtub drainage pipe 6 and the bathtub pan drainage from the bathtub pan drainage piping 7 alternatively to the drainage trap 10 is provided in the bathtub drainage pipe 6 near the inflow port 11 of the drainage trap 10. The maintenance of the selector valve 40 is carried out by inserting the hand, a cleaning implement, a tool, or the like into a receiving chamber 22 of the drainage trap 10 from a washing place.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010165934-A (JP)
Title: Semiconductor electronic device
Inventor: KATO SADAHIRO
IPC: H01L29/812
Filed: 2009-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semiconductor electronic device at high productivity which is high in pressure-resistance property, and hardly causes warpage.  <P>SOLUTION: The semiconductor electronic device includes: a substrate including an Si layer formed by being anodized and made porous at a part of an Si substrate; a buffer layer having two or more composite layers in which a first semiconductor layer which is formed on the substrate, and composed of a nitride-based compound semiconductor smaller in lattice constant and larger in thermal expansion coefficient than the substrate, and a second semiconductor layer which is composed of a nitride-based compound semiconductor smaller in lattice constant than the first semiconductor layer and larger in thermal expansion coefficient than the substrate are alternately laminated; an interposed layer composed of a nitride-based compound semiconductor which is formed between the substrate and the buffer layer, smaller in lattice constant than the first semiconductor layer and larger in thermal expansion coefficient than the substrate; and a semiconductor operation layer which is formed on the buffer layer, and composed of a nitride-based compound semiconductor.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009144248-A (JP)
Title: Deposition type copper alloy material for electronic equipment, and method for production thereof
Inventor: UNO GAKUO
IPC: H01L23/50
Filed: 2009-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a deposition type copper alloy material for electronic equipment which does not cause abnormal deposition of a plated layer as well as deterioration of oxide film adhesiveness, and also to provide a method for production of such a copper alloy material.  <P>SOLUTION: A deposition type copper alloy includes, by mass, 2.0-4.0% Ni, 0.4-0.8% Si, 0.005-2.0% in the sum of at least one of 0.005-0.2% Ag, 0.005-0.2% Mn and 0.05-1.0% Zn, the balance Cu with inevitable impurities, and has a work-affected layer on the surface thereof. The deposition type copper alloy material for electronic equipment is produced by heat-treating the above copper alloy at 500-600°C in a non-oxidizing or reducing atmosphere to regulate the thickness of the work-affected layer to be ≤0.2 μm (excluding zero), and by applying a silver or copper plating on the copper alloy.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2010163675-A (JP)
Title: Aluminum alloy wire rod
Inventor: MIHARA KUNITERU
IPC: C22F1/04
Filed: 2009-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide an aluminum alloy wire rod which has excellent bending fatigue resistance.  <P>SOLUTION: The aluminum alloy wire rod is a wire rod which has a composition containing, by mass, 0.1 to 0.4% Fe, 0.1 to 0.3% Cu, 0.02 to 0.2% Mg and 0.02 to 0.2% Si, and further Ti and V by 0.001 to 0.01% in total, and the balance Al with inevitable impurities, and is used by being mounted on a moving car body, wherein the crystal grain size in the vertical cross-section in the wire drawing direction is 5 to 25 μm, and a fatigue life when repeated fatigue of strain amplitude±0.15% at ordinary temperature is applied is ≥50,000 number of times.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010172049-A (JP)
Title: Cable protection circuit and cable protection method
Inventor: NAITO KAZUTAKA
IPC: H02H3/093
Filed: 2009-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a cable protection circuit which is possible of reduction of cable cost and cable weight by minimizing the tolerable current value of a cable used for a motor driving circuit as much as possible.  <P>SOLUTION: A motor driving circuit, in which a power source 12 and a motor 14 are connected with each other by a cable 18, is provided with a circuit breaking means 16, and the circuit breaking means 16 is equipped with a return type circuit breaker 161, which can return to the previous state even if it operates once, and the minimum operation current Ib of the return type circuit breaker is set to be larger than the rated current value Ir of the motor 14, and the time taken for the return type circuit breaker 26 to operate in case that a current larger than the minimum operating current value Ib flows to the motor driving circuit is set to be shorter than the time taken for the cable 18 to burn, and the tolerable current value Ic of the cable 18 is set to be smaller than a motor lock current value If which flows to the motor driving circuit in case that the motor 14 is locked.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010169152-A (JP)
Title: Balance shaft gear structure
Inventor: SHIMIZU KOICHI
IPC: F16H55/18
Filed: 2009-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a balance shaft gear structure for reducing not only the gear rattle but also the gear meshing noise.  <P>SOLUTION: The balance shaft gear structure includes a scissors gear 10. The scissors gear 10 includes a main gear 14 joined to a balance shaft 12, a sub gear 18 having the same form and number of teeth as the main gear 14 and located adjacent to the main gear 14 in the axial direction for meshing with a driving gear 16 of a crank shaft together with the main gear 14, a scissors spring 20 for energizing the main gear 14 and the sub gear 18 in the opposite rotating directions, and a gap interval adjusting mechanism 40 for restricting the movement amount between the main gear 14 and the sub gear 18 against the energizing force of the scissors spring 20 to adjust gap intervals between the teeth of each of the main gear 14 and the sub gear 18 and the teeth of the driving gear 16.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010168975-A (JP)
Title: Jet pump and nuclear reactor
Inventor: ISHIDA NAOYUKI
IPC: F04F5/10
Filed: 2009-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a jet pump capable of suppressing vibrations and enhancing the efficiency.  <P>SOLUTION: The jet pump has a nozzle pedestal 13 furnished with six nozzles 14, each being composed of a nozzle straight pipe part 15, a nozzle narrowing part 16, another nozzle straight part 17, another nozzle narrowing part 18, and a nozzle bottom part 19. These parts 15-19 are located in the sequence as named from the pedestal 13 to an ejection outlet 20. The narrowing angle of the nozzle narrowing part 18 is greater than that of the nozzle narrowing part 16. At the bottom of a throat 22, the jet pump has a narrower passage part in which the passage section area decreases gradually, and this narrower passage part is fitted in the top of a diffuser.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010166852-A (JP)
Title: Fishing reel
Inventor: KARINO SHUTA
IPC: A01K89/015
Filed: 2009-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fishing reel having a fishing line-engaging device using properly both functions of a line stop and a delivery stopper (adjusting a terminal tackle to a fish swimming layer) without trouble during actual fishing, and making a wide response.  <P>SOLUTION: The fishing reel includes the fishing line-engaging device 30 designed to form a through-hole 17 in a spool 10 for winding a fishing line L, insert a shaft part 40b of an engaging member 40 having a fishing line engaging part 40a into the through-hole 17, elastically engage the shaft part in an anti-slip manner, and thereby allow the nipping of the fishing line between the fishing line engaging part 40a and the spool 10. The fishing line-engaging device 30 includes guide means 45 and 46 for guiding the engaging member 40 movably against urging force so that force acting through the fishing line L on the engaging member 40 escapes in the shaft direction of the spool 10 and in at least one direction forming a prescribed angle to the shaft direction.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010183139-A (JP)
Title: Crystal vibration piece and method of manufacturing the same, vibrator, oscillator, and electronic equipment
Inventor: KITAMURA FUMITAKA
IPC: H01L41/22
Filed: 2009-02-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a compact, high-performance crystal vibration piece having stable frequency characteristics, to provide a method of manufacturing the crystal vibration piece, to provide a vibrator, to provide an oscillator, and to provide electronic equipment.  <P>SOLUTION: The tuning fork crystal vibration piece 1 includes: a vibration reed 102 having a base 110 and a pair of tuning fork arms 121, 122 extended from the base 110 parallel mutually; excitation electrodes 123a, 124a formed on both the main surfaces of the tuning fork arms 121, 122; and drive electrodes 123b, 124b formed on both the sides of the tuning fork arms 121, 122. Modified sections 151, 152 having a texture structure differing from that of crystal are formed at least at one part of the tuning fork arms 121, 122.  <P>COPYRIGHT: (C)2010,JPO&INPIT