baber/WOPTO huggingface dataset:
Patent JP-2007505465-A (JP)
Title: ナノサイズの半球状凹部が形成された基板を用いた高効率の有機発光素子及びこの作製方法
IPC: H05B33/00
Filed: 2004-09-07
Abstract: 【課題】ナノサイズの半球状凹部が形成された基板を用いた高効率の有機発光素子及びこの作製方法の提供。 【解決手段】本発明は、基板、第１の電極、有機物層、及び第２の電極を順次に積層してなる有機発光素子において、前記第１の電極と接する基板の上面には、複数の連続した半球状凹部が形成されたことを特徴とする有機発光素子を提供する。また、本発明は、ａ）少なくとも一面がアルミニウムからなる基板を酸溶液に浸した後、１０〜４００Ｖの酸化電圧を加えることでアルミニウムからなる基板の一面上にアルミニウム酸化膜を形成し、このアルミニウム酸化膜には複数の連続した凹部を形成し、前記基板とアルミニウム酸化膜との接触面には、前記アルミニウム酸化膜上の凹部の曲面と同じ方向の凹部を形成するステップと；ｂ）前記アルミニウム酸化膜が形成された基板からアルミニウム酸化膜を除去し、前記基板の一面に複数の連続した半球状凹部を形成するステップ；及びｃ）前記半球状凹部が形成された基板の一面上に有機物層及び電極を形成するステップと；を含むことを特徴とする有機発光素子の作製方法を提供する。
Patent JP-2007505401-A (JP)
Title: データ・ストレージ分析機構
IPC: G06F11/34
Filed: 2004-09-09
Abstract: データ・ストレージ管理のシステムおよび方法。実施形態は、ディスクベースのデータ・ストレージ分析を実行するのに使用される。実施形態は、アプリケーションまたはアプリケーション・グループについてデータ・ストレージ媒体でのストレージ在庫／可用性リスク・トレードオフを推定するストレージ分析機構を提供する。実施形態は、ストレージ在庫情報と、プールされおよび／またはプールされていないストレージでの推奨または要件を生成するのに使用される。実施形態は、ストレージ・システムにおける複数のアプリケーションでのプールされたストレージをプールされていないストレージに比較するのに使用される。
Patent JP-2007514116-A (JP)
Title: 飛行回転体上で写真撮影する方法とこの方法を実施するシステム
IPC: G06T3/60
Filed: 2004-10-05
Abstract: 本発明は、飛行体上で写真撮影する方法と、この方法を実施するシステムに関する。本発明によれば、写真(Ｖ 0 、Ｖ 90 、Ｖ 180 、Ｖ 270 ）が、上記飛行体の所定角度位置で、その飛行体の前面に硬く固定された装置により撮られ、それらを映し出すため幾何学的変位処理される。 【選択図】    図３
Patent JP-2007501680-A (JP)
IPC: A61F2/06
Filed: 2004-03-31
Abstract: A filtering device with an increased surface area, and method of making and using the same. The present invention comprises a filtering device including an elongate shaft and a filter coupled to the shaft. The filter may include a filter membrane configured to have an increased surface area.
Patent JP-2007500744-A (JP)
Title: 免疫グロブリンキメラ単量体−二量体ハイブリッド
IPC: C12N5/06
Filed: 2004-05-06
Abstract: 本発明はキメラ単量体−二量体ハイブリッド蛋白に関し、ここで該蛋白は第１および第２のポリペプチド鎖を含み、該第１のポリペプチド鎖は免疫グロブリン定常領域の少なくとも部分および生物学的に活性な分子を含み、そして該第２のポリペプチド鎖は第１の鎖の生物学的に活性な分子を結う差なり免疫グロブリン定常領域の少なくとも部分を含む上記蛋白に関する。本発明はまた、本発明のキメラ単量体−二量体ハイブリッドの使用方法および作成方法に関する。
Patent JP-2007516735-A (JP)
IPC: A61N1/362
Filed: 2004-06-12
Abstract: A cardiac rhythm management system for providing a plurality of therapy modalities. For example, the system may include a cardiac resynchronization therapy module for providing cardiac resynchronization therapy and a pacemaker module for providing bradycardia therapy, as well as a selector module coupled to the cardiac resynchronization therapy module and the bradycardia module. The selector module may select an operating mode from among a plurality of operating modes including the cardiac resynchronization therapy module and the pacemaker module. Various manual and automatic methods may be used to select the operating mode. In addition, a reversion management system may be included to assist the cardiac rhythm management system to recover in case of a disruption to the system.
Patent JP-2007510534-A (JP)
Title: 脱水素反応装置システムの運転方法
IPC: C07C5/333
Filed: 2004-10-12
Abstract: 所定体積の脱水素化触媒を含有する脱水素反応装置を運転および停止するための方法が記載される。脱水素化反応条件下で運転される脱水素化反応装置への脱水素化原料の導入を停止した後、スチームを含む第１の冷却流体が、脱水素化反応装置に含有される脱水素化触媒を第２の温度に冷却するために十分な第１の期間、反応装置に導入される。第１の冷却流体の導入が停止され、続いて、第２の冷却流体の導入が、脱水素化反応装置に含有される脱水素化触媒を、脱水素化触媒の取り扱い、および、脱水素化反応装置からの脱水素化触媒の取り出しを可能にする第３の温度に冷却するために十分な第２の期間にわたって行われる。
Patent JP-2007509239-A (JP)
Title: スラグからの金属及び非金属有価物の回収
IPC: C21B3/06
Filed: 2004-10-25
Abstract: 予め定められた速度で鋼スラグに薬剤の混合物を添加し、次にそれから金属有価物を回収することを含む、スラグから金属及び非金属有価物を回収する方法。
Patent JP-2007511757-A (JP)
IPC: G01N1/20
Filed: 2004-11-08
Abstract: A fluid monitoring apparatus for monitoring a fluid in a fluid mains supply, the apparatus comprising means for connecting the apparatus to the mains supply, a testing chamber, a fluid tester, testing a variable of a fluid in the testing chamber and a purger for purging a volume of fluid from the testing chamber which volume of fluid is substantially larger than the volume of the testing chamber, thereby replacing the fluid in the testing chamber with a new fluid volume.
Patent JP-2007515108-A (JP)
Title: 劣悪な品質の受信による表示乱れを防止するための方法およびシステム
IPC: H04N21/432
Filed: 2004-11-25
Abstract: 本発明は、デジタル番組放送の間に帯域幅または信号品質の乱れが起こって現在放送中の通常番組の放送品質が所定の値より低くなったときに、広告のような、特定の放送品質をもつあらかじめ用意された番組が挿入される方法を提供する。あらかじめ用意された番組とは、現在放送中の通常番組に対して正規の関係をもつものであってもよく、それによりユーザーは乱れた画面に煩わされたり番組が通常の視聴に耐える良好な条件に戻るのを待ったりするのではなく、何らかの番組を鑑賞することになる。本発明はさらに、挿入されたあらかじめ用意された番組の統計を取る方法を提供する。その統計情報は課金に使われることができる。
Patent JP-2007519180-A (JP)
IPC: B29K27/12
Filed: 2004-12-08
Abstract: Articles made from blends of hydrofluorocarbon polymer such as copolymer of ethylene and tetrafluoroethylene, with boron nitride show improved scrape abrasion resistance.
Patent JP-2007517689-A (JP)
Title: インクジェット印刷装置のインクリザーバにインクボトルを連結する装置及び方法
IPC: B41J2/17
Filed: 2005-01-10
Abstract: 本発明は、インクジェットプリンタ用のインク供給装置に関する。本発明によるインク供給装置は、出口ネックに固着されたキャップ組立体(96)を備えたインクボトル(16)と、インク充填通路を備えたインクリザーバ(12)と、インク充填通路内に配置されるインサート受け部(14)とを有する。インサート受け部(14)は、入口端及び出口端を備えたプローブを有する。インク供給装置は更に、作動組立体を有し、この作動組立体は、インクボトルのキャップ組立体(96)とインサート受け部(14)のプローブとを噛合わせることによって、インクボトル(16)をインクリザーバ(12)とを連結する。
Patent JP-2007524236-A (JP)
Title: 堆積チャンバのためのプロセスキットデザイン
IPC: C30B25/14
Filed: 2005-01-13
Abstract: 本発明は、半導体処理チャンバのためのプロセスキットを提供する。処理チャンバは、内部処理領域を画成するチャンバ本体を含む真空処理チャンバである。処理領域は処理のための基板を受容し、また、プロセスキットの装置部分を支持する。プロセスキットは、処理チャンバの処理領域内に配置されるように構成されたポンピングライナ（４１０）と、ポンピングライナの外径に沿って配置されるように構成されたＣチャネルライナ（４２０）とを含んでいる。ポンピングライナとＣチャネルライナは、処理領域からの処理ガス又は洗浄ガスのパラシティックポンピングを阻止するように設計された新規なインターロッキング特徴部（４１４、４２４）を有する。本発明は、更に、記載されたキットのような改善されたプロセスキットを有する半導体処理チャンバを提供する。一配置においては、チャンバはタンデム処理チャンバである。 【選択図】  図６Ｂ
Patent JP-2008171036-A (JP)
Title: Logic circuit inspection supporting device, input/output terminal correspondence relation deriving method, and computer program
Inventor: EGASHIRA MASANORI
IPC: G06F17/50
Filed: 2007-01-05
Abstract: <P>PROBLEM TO BE SOLVED: To easily find a correspondence relation among terminals of a logic circuit before and after the implement.  <P>SOLUTION: Terminal names are retrieved, which are used in common in the module ML1 of a logic circuit CR1 and in the module ML2 of a logic circuit CR2 (#3), and terminal names, which are common but not used in the module ML2, are located (#4), and terminal names, which are used in the module ML1 but not used in the module ML2, are located (#5). Then, first logic gates to be connected to the terminals using the located terminal name are retrieved by executing tracing in a specific direction (#6), the terminals of the module ML2 which are connected to the second logic gates of the logic circuit CR2 corresponding to the first logic gates are retrieved by executing tracing in the opposite direction to the specific direction (#7), and correspondent terminal information is generated, which correlates the terminal names of the terminals of the module ML1 with the terminal names of the terminals of the module ML2 connected to the second logic gates corresponding to the first logic gates, to which the terminals of the module ML1 are connected (#8).  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008170479-A (JP)
Title: Electrooptical device and electronic equipment
Inventor: YAMADA TADASHI
IPC: G09F9/30
Filed: 2007-01-06
Abstract: <P>PROBLEM TO BE SOLVED: To suppress a decrease in contrast and a decrease in light use efficiency due to reflected light.  <P>SOLUTION: In a display unit 12, a plurality of pixels P each including a light emission layer 55 and a light reflecting layer 52 are arrayed in a plane. Opening portions 622 corresponding to the respective pixels P are formed on a light shielding layer 62. A driving circuit 20 drives respective pixels P in a first region A1 of the display unit 12 to display a moving picture GD and also drives respective pixels P in a second region A2 different from the first region A1 to display a still picture GS. The opening portions 622 of the respective pixels P in the first region A1 are smaller in area than opening portions 622 of the respective pixels P in the second region A2.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008171076-A (JP)
Title: Job execution device and its control method
Inventor: FUJITA TAKESHI
IPC: G06F21/44
Filed: 2007-01-09
Abstract: <P>PROBLEM TO BE SOLVED: To make effective use of the idle resources of an end user's computer device for P2P (Peer to Peer) or grid computing, while safely protecting the end user's resources, and safely protecting a job required from an external computer device.  <P>SOLUTION: A virtual machine monitor 2 includes a management-dedicated virtual machine 3 provided exclusively for management of the virtual machine monitor, a virtual service machine 4 for executing jobs for external computers, and an end user's virtual machine 5 for executing jobs for end users. The virtual machine monitor also has communication encrypting functions 6, 8 for encrypting communications with external computers, and the management-dedicated virtual machine 3 has the function of confirming the legitimacy of a node management server that permits access to the management-dedicated virtual machine, before permitting the access.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008169490-A (JP)
Title: Method for producing carbonized fabric and carbonized fabric obtained by the method
Inventor: KIMURA TAKESHI
IPC: D06C7/04
Filed: 2007-01-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for producing a carbonized fabric, by which the carbonized fabric having excellent odor adsorbability, non-conductivity, heat resistance, mechanical strength flexibility and the like, can relatively easily and economically be produced.  <P>SOLUTION: This method for producing the carbonized fabric includes thermally carbonizing a woven fabric, a knitted fabric or a woven and knitted fabric composed of cellulosic fiber yarns as a raw material fiber fabric. The method includes restraining and holding the dried raw material fiber fabric having a water content of less than 25% from one of the longitudinal and transverse directions of the fabric, and then heating the fabric in a restrained and held state in a temperature range of 250-350°C at a temperature-rising rate of 50-200°C/hr in an oxidizing atmosphere having an oxygen fractional pressure of 50 mmHg or greater in a heating oven, continuously heating the fabric at a temperature-rising rate of 50-200°C/hr to a final heating temperature range of 400-750°C in a non-oxidizing atmosphere having an oxygen fractional pressure of less than 50 mmHg, and then heating the fabric at the final heating temperature for a prescribed time.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008171105-A (JP)
Title: Security camera server
Inventor: TAKAYANAGI HIROYUKI
IPC: G08B25/00
Filed: 2007-01-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a security camera server capable of quickly confirming a situation without requiring a screen operation and of taking a quick countermeasure against an abnormality when a user accesses the camera server after the abnormality occurrence.  <P>SOLUTION: A security camera server having at least one camera and reporting a security state of a facility to be secured to a terminal in a remote area via an electric communication line and the like, forcibly displays a live camera image related to the abnormality in the terminal in precedence to other images or screens.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008168233-A (JP)
Title: Electrostatic coating apparatus
Inventor: NAKAZONO DAISUKE
IPC: B05B5/16
Filed: 2007-01-12
Abstract: <P>PROBLEM TO BE SOLVED: To more reduce the amount of unused conductive coating left in a coating supply passage.  <P>SOLUTION: An intermediate storage tank 14 is equipped with a cylinder 40, a first piston 51, a second piston 52, the piston rod 58 attached to the second piston 52, a drive part 61 for driving the piston rod 58 and a valve mechanism 63 for allowing the water 66 in the upper chamber 53 provided on the side of the second piston 52 of the first piston 51 to flow in the lower chamber 54 provided on the end part side of the cylinder 40 of the first piston 51 at the point of time when the conductive coating 65 in the lower chamber 54 becomes a predetermined volume when the conductive coating 65 is supplied to a coating gun from the lower chamber 54 by moving the first piston 51 through the second piston 52 and water 66 by the drive part 61 in a state that the lower chamber 54 is filled with the conductive coating 65 and the upper chamber 53 is filled with the water 66. The conductive coating 65 is extruded to the coating gun by the water 66 supplied from the inside of the lower chamber 54.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2007091228-A (JP)
Title: Bearing device for vehicle
Inventor: SHIMA KOJI
IPC: B60B35/14
Filed: 2007-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To separably bond both a hub wheel and a constant velocity joint without causing rattling in a hub unit for a vehicle.  <P>SOLUTION: In the bearing device for the vehicle, a double row rolling bearing is externally fitted and attached to the outer periphery of a hollow shaft 12 of the hub wheel 1 and the constant velocity joint 3 for connecting the hub wheel to a drive shaft 7 so as to be inclined is provided and an outer ring of the constant velocity joint has a bowl-like cylinder and a shaft spline-fitted to the inner periphery of the hollow shaft of the hub wheel. In this case, it has a come-off stop ring body 42 formed in a bottomed cylindrical shape, having a cylinder internally fitted and attached to the hollow shaft of the hub wheel and bonding the hub wheel and an outer ring of the constant velocity joint.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007090118-A (JP)
Title: Game machine
Inventor: KATO SADAHITO
IPC: A63F9/06
Filed: 2007-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a game machine which informs a player himself/herself of the result of a game through a public line.  <P>SOLUTION: The game machine is provided with: a control panel 10 for receiving input operation of a telephone number by the player; a memory 110 for storing the telephone number input through the control panel 10; a control panel 10 for receiving operation of the player about the game; a CPU 101 which outputs the result of the game according to a prescribed sequence according to the operation by the player to the control panel 10; and a communication terminal device 106 for transmitting the result of the game output from the CPU 101 to the destination of the telephone number stored in the memory 110 through the public line.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007158363-A (JP)
Title: Method of mounting semiconductor package
Inventor: SHIRASAKA KENICHI
IPC: H05K3/34
Filed: 2007-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of mounting a semiconductor package which is superior in workability by checking the arrangement orientation of the semiconductor package using a simple method, before mounting on a substrate to arrange the semiconductor package in a proper orientation.  <P>SOLUTION: The method of mounting a semiconductor package comprises a process of image recognition of the lead positions of the semiconductor package, a process of arranging the semiconductor package on the substrate, a process of image-recognizing the arranging orientation of the semiconductor package, and a process of mounting the semiconductor package on the substrate, wherein the process of image-recognizing the arranging orientation of the semiconductor package comprises a process of discriminating whether the arranging orientation of the semiconductor package is proper, by recognizing the identification means provided on the semiconductor package.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2008173016-A (JP)
Title: Cylindrical device for animal foot tying trap, and cover thereof
Inventor: YANAGISAWA KUNIYASU
IPC: A01M23/24
Filed: 2007-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a trap device which has a simple structure, is easy to install, is less apt for soil and sand to infiltrate into a cylinder device, even in stormy weather, and which facilitates management.  <P>SOLUTION: The cylinder device 2 contains a plurality of animal foot detection wires 4 for receiving the weight of the animal foot fit into the cylinder; the wires are extended in the cylinder, in a manner of separating the adjacent wires from each other; the tip end of each animal foot detection wire 4 is fixed to the front side wall of the cylinder device 2; the rear end of the animal foot detection wire 4 is passed through a corresponding through-hole 5 opened on the rear side wall and drawn to outside; the parts near the rear ends of the wires are bonded together; and the device is further provided with a trigger member 7, attached to the rear-end bonded part 6 for starting the tying motion of the tying part, attached to the tip end of the tying trap body.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008176379-A (JP)
Title: Method, system, and program for providing commodity and service
Inventor: HATTORI TAKESHI
IPC: G06Q30/02
Filed: 2007-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To effectively collect monitor's thoughts in providing a commodity and service and generating a sales promotion effect by word of mouth.  <P>SOLUTION: A system 1 for providing commodity and services for processing an entry of a commodity and service by a commodity and service provider via a communication network and a trial user application from a commodity and service monitor includes a commodity and service entry unit 22 for receiving introduction information of a commodity and service from a computer of the provider to register the introduction information in a database; a commodity and service display unit 34 for transmitting the introduction information of the commodity and service registered in the data base by the entry unit 22 to a computer of the monitor; a commodity and service selection unit 36 for receiving trial use application information of the commodity and service from the computer of the monitor and associating the application information with Web log article link information of the monitor to register the associated information in the database; and a Web log article collecting unit 24 for collecting Web log article information from a Web log server which has been used by the monitor to transmit the Web log article information to the computer of the provider for each commodity and service on the basis of the link information.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008173794-A (JP)
Title: Molding machine
Inventor: TAKAO NORIYOSHI
IPC: B29C45/14
Filed: 2007-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a resin molding of good appearance at a low cost by suppressing the influence of a molten resin material on a skin material when the resin molding in which a substrate and the skin material are integrated is molded.  <P>SOLUTION: A molding machine 1 has a movable mold 3 having a movable molding surface 3a and a fixed mold 2 having a fixed molding surface 2a forming a cavity with the movable molding surface 3a. The skin material 51 is held between the movable mold 3 and the fixed mold 2. A hollow part 2b is bored in the fixed molding surface 2a. A gate G1 is opened on the bottom side of the hollow part 2b. The molten resin material injected from the gate G1 spreads from the hollow part 2b onto the fixed molding surface 2a.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008122057-A (JP)
Title: Air conditioner having ventilation system
Inventor: IN JINCHORU
IPC: F24F1/00
Filed: 2007-01-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide an air conditioner having a ventilation system, capable of supplying and exhausting air using an existing through-hole bored through a wall for installing the air conditioner.  <P>SOLUTION: The air conditioner includes an indoor unit installed indoors, and exchanging heat with indoor air; an air supply duct connected to the indoor unit, and drawing outdoor air; a shared pipe connected to the indoor unit, and discharging both condensed water generated from the indoor unit and the indoor air; and a separator separating the condensed water from the condensed water-containing air discharged through the shared pipe.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008175700-A (JP)
Title: Inspection device or inspection method for semiconductor device
Inventor: KATSUMA TSUNEYASU
IPC: H01R33/76
Filed: 2007-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inspection device for a semiconductor device capable of stably performing inspection of electric characteristics and that will not apply serious damages or large loads to a semiconductor device, and to provide an inspection method therefor.  <P>SOLUTION: In this inspection device 1, a movable member 9 is provided with a housing hole 18, having a deep depth and a housing hole 19 having a shallow depth for housing conductive contact elements 7 at arbitrary positions. When only the movable member 9 is brought into close proximity to a fixing member 8, by maintaining the position of the semiconductor device 2 from the condition that terminal shape projections 16 of all the conductive contact elements 7 are abutted against external electrodes 3 of the semiconductor device 2, an innermost section 19a in the housing hole 19 having the shallow depth of the movable member 9 is brought into contact with a cylindrical body 14 of the conductive contact element 7. When the movable member 9 is further brought into close proximity to the fixing member 8, the conductive contact element 7 is made to contracted toward an inspection circuit board 5, in the housing hole 19 having the shallow depth of the movable member 9, the external electrode 3 of the semiconductor device 2 is moved away from the terminal shape projection 16 of the housing conductive contact element 7, and then electrical connection is cut.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008174111-A (JP)
Title: Motor mount structure and vehicular actuator
Inventor: HAYAKAWA YUKI
IPC: B60H1/00
Filed: 2007-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a motor mount structure capable of preventing rattling with a simple structure.  <P>SOLUTION: The motor mount structure S1 is provided with a motor 2 having a bearing part 22 protruded on an end face 211 of a body part 21, cases 101 and 102 storing the motor 2, and a pair of brackets 11 and 12 disposed on the cases 101 and 102 and holding the bearing part 22 of the motor 2 between them. Elastic gripping arms 11a confronting with each other are formed on an end of one of the bracket 11, and a gap 11b between the confronting elastic gripping arms 11a is narrower than an outside diameter of the bearing part 22.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008174661-A (JP)
Title: Carbazole-based random copolymer
Inventor: KOBA MASANAO
IPC: H01L51/50
Filed: 2007-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a polymeric organic light-emitting material which is high in solubility, stability and luminous efficiency.  <P>SOLUTION: The polymeric organic light-emitting material consists of a carbazole-based random copolymer of (a) component represented by general formula (1) and (b) another component represented by general formula (2). In these general formulas, R<SB>1a</SB>and R<SB>1b</SB>are each independently H, 1-30C alkyl, 2-30C aromatic cyclic group or the like; R<SB>2a</SB>and R<SB>2b</SB>are each independently (substituted) 1-30C alkyl, (substituted) 2-30C aromatic cyclic group or the like.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008176145-A (JP)
Title: Planar light wave circuit
Inventor: MATSUBARA NORITAKA
IPC: G02B6/122
Filed: 2007-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a planar light wave circuit in which a high reflective attenuation can be obtained in an incident port, and deterioration in characteristics of a signal light can be avoided without necessity of large circuit size.  <P>SOLUTION: In a planar light wave circuit 1, optical waveguides including two output waveguides including an output waveguide 4 that is connected to an exit port 3 and an idle waveguide 5 that is unconnected to a waveguide end face 2a on the emitting port side are formed on a silicon substrate 2. This planar light wave circuit 1 includes a groove 10 that intersects the idle waveguide 5 at an angle θ less than 90 degrees (θ<90°), wherein the idle waveguide 5 is terminated at the intersection 11 with the groove 10.  <P>COPYRIGHT: (C)2008,JPO&INPIT