baber/WOPTO huggingface dataset:
Patent JP-2005507357-A (JP)
IPC: C09C1/02
Filed: 2001-10-31
Abstract: An environmental friendly process for the production of finely divided calcium carbonate suitable for industrial application from calcium carbonate rich by-product of nitrophosphate fertiliser plant by adopting purification steps of thermal treatment, pulverization and coating using emulsion of fatty acid or its derivatives.
Patent JP-2005508547-A (JP)
Title: メモリカード上のファームウェアを更新するインシステムプログラムのインプリメンテーション
IPC: G06F9/445
Filed: 2002-10-03
Abstract: フラッシュメモリカードと関連付けられたファームウェアが更新されることを効率的に可能にする方法および装置が開示される。本発明の１つの局面によると、メモリ格納デバイスと関連付けられたファームウェアを更新する方法は、ホストに新しいファームウェアを提供する工程と、ホストからの新しいファームウェアをホストと通信するリーダに提供する工程を包含する。リーダは、インストールされたファームウェアを備えるメモリ格納デバイスとインタフェースして、新しいファームウェアが、インストールされたファームウェアと少なくとも部分的に置き換わるように新しいファームウェアをメモリ格納デバイスに収納する。１実施形態において、この方法は、新しいファームウェアを第１のコマンドに組み込む工程をさらに包含する。
Patent JP-2005523490-A (JP)
Title: コンプライアンス自動化のための患者データマイニング
IPC: G16H10/60
Filed: 2002-11-04
Abstract: 成績測定情報を自動的に作成する技術。得られた成績測定情報の少なくとも一部は、フリーテキストである医師のメモ、医療画像及び波形のような構造化されていないデータソースから導出することができる。成績測定情報はヘルスケア認定機関へ送られる。ヘルスケア認定機関は、成績測定情報を用いてヘルスケア提供者をヘルスケアの質につき評価することができる。あるいは、成績測定情報は消費者へ直接提供することが可能である。
Patent JP-2005518354-A (JP)
Title: コドラッグを含有する医薬組成物
IPC: A61P37/02
Filed: 2002-11-19
Abstract: 本発明は、真皮を通して浸透し、輸送されることのできる適切なキャリア及びコドラッグを含む局所的投与用医薬組成物を提供する。本発明のコドラッグは、第二構成成分に結合した第一構成成分を含有する（但し、第二構成成分は第一構成成分と同一又は異なる。）。上記第一及び第二構成成分は、真皮中に又はそれを通過して、皮膚中へ又は血液又はリンパ系中へ容易に輸送され、in vivoで第一及び第二構成成分を再生するように結合されている。
Patent JP-2005512371-A (JP)
IPC: G06K1/00
Filed: 2002-12-02
Abstract: To alert parties to an alteration to a bar code ( 20 ) or a corresponding digital image ( 18 ), for example a digital photograph which the bar code ( 20 ) partially overlaps, the bar code ( 20 ) includes information about the digital image ( 18 ). The bar code ( 20 ) partially overlaps and is integrated into the image ( 18 ). The bar code ( 20 ) and the part thereof in the image ( 18 ) are compared for required identity. By providing such an alert, the present invention makes it very difficult to alter, for example, an identification card, an use it for unauthorized purposes.
Patent JP-2005512634-A (JP)
Title: ステントを搬送するための装置及び方法
IPC: A61F2/966
Filed: 2002-12-18
Abstract: 自己拡張型ステントを搬送装置内に挿入した後、体腔内に同ステントを搬送するための方法及び装置に関する。装置は、外管２０３と、外管内の内管２０１と、内管上に摺動可能に取り付けられた捕捉要素２０６と、同捕捉要素は、外管よりも小さい基端部と外管よりも大きい先端部を有する折畳み可能なスリーブ２０７を備えることと、内管に固定された制止要素２０７と、同制止要素は、制止要素の基端側のスリーブ２０７内にステントが挿入されることを阻止し、捕捉要素２０６が内管に対して所定の位置の先端側に位置することを阻止すべく構成されていることとからなる。ステント２０５は、搬送装置２００を体腔内に挿入して、搬送装置の先端部をステント配置部位に近接して配置し、ステント２０５に対して基端方向に外管を後退させて、内管上の制止要素２０７により、ステントが外管と共に後退されることを阻止して、ステントを径方向に収縮した状態から解放して配置する。
Patent JP-2005513989-A (JP)
Title: オーバーラップにより再閉鎖可能な保護シース及びその用途
IPC: F16L59/02
Filed: 2002-12-03
Abstract: 本発明は、オーバーラップにより再閉鎖可能な保護シースであって、シース（１０）のオーバーラップ部分（１３）の内側長手方向縁部（１０ｂ）とオーバーラップするようになった外側長手方向縁部（１０ａ）を有する保護シースに関する。接着手段（１１）が外側長手方向縁部（１０ａ）の内面上に固定されており、接着手段（１１）は、オーバーラップ部分（１３）を越えて延びるようになったシース（１０）の内面の一部上に延びている。再閉鎖可能な保護シースは、少なくとも細長い物品（１５）を保護するのに特に有用である。
Patent JP-2005514491-A (JP)
Title: 冷却デバイス内のポリマー複合材料における相変化物質（ｐｃｍ）としてのパラフィン含有粉末の使用
IPC: H01L23/427
Filed: 2002-12-13
Abstract: 本発明は、相変化物質を含むポリマー複合材料に関し、冷却用のデバイス、特に電気および電子コンポーネントにおけるその使用に関する。
Patent JP-2005514139-A (JP)
IPC: A44B11/28
Filed: 2003-01-17
Abstract: A self-locking fixing loop with adjustment of an attachment strap comprises a base equipped with a clasp for hooking a retaining ring thereon, and an operating button movable between a closed position and an open position of the loop, respectively to hold and release said retaining ring. A spring locks the operating button in the closed position, and a ring adjusts the length of the strap, said ring being inserted between the button and the base opposite the clasp.
Patent JP-2005520806-A (JP)
Title: がん治療を改善する併用療法におけるキナゾリノン化合物
IPC: A61K33/24
Filed: 2002-12-30
Abstract: 本発明は、抗がん療法の有効性を改善する組成物および方法を提供する。本発明の組成物は、キナゾリノン、特にハロフジノンを含む。現在の好適な実施態様では、本発明の組成物および方法は、放射線療法および化学療法の有効性を改善し、付随的に放射線療法によって惹起される障害を緩和または予防する。
Patent JP-2005528088-A (JP)
IPC: A61K39/00
Filed: 2003-01-26
Abstract: The present invention relates to an ex vivo method of expanding a population of cells ex-vivo, while at the same time, substantially inhibiting differentiation of the cells ex-vivo the method comprising: (a) culturing said cells under conditions which allow proliferation of said cells, and (b) ex-vivo providing said cells at the same time with added Nicotinamide, thereby ex-vivo expanding the population of cells while substantially inhibiting differentiation of the cells ex-vivo.
Patent JP-2005518296-A (JP)
Title: 自動車用ピボット式コンバーチブルルーフ
IPC: B60J7/02
Filed: 2003-02-20
Abstract: 本発明は、自動車用の枢動式コンバーチブルルーフに関する。本発明のルーフは、複数の硬質ルーフ要素（１，２，３）を含み、該硬質ルーフ要素は、車室（５）を覆う第１の位置と、車のトランク（４）内に該トランク（４）のフード（４ａ）の下方にほぼ水平に重ね合せて格納される第２の位置との間で移動させることができる。本発明によれば、トランク（４）内に格納されたルーフ要素（１，２，３）のアセンブリは、トランク（４）内に設けられた軸線（８）を中心として旋回するように装着されている。このようにして、前記アセンブリは、前述のようにしてトランク（４）のフード（４ａ）が開放される間、あるいはフードが開放された後に上昇させることができる。
Patent JP-2005519545-A (JP)
Title: 移動電話間のデータ送信方法
IPC: H04M1/72412
Filed: 2003-02-28
Abstract: 移動電話間のデータ送信方法であって、要求信号が第１の移動電話から無線通信インターフェースを介して第２の移動電話に送信され、第２の移動電話の電話番号が第１の移動電話に送信される。
Patent JP-2005519340-A (JP)
Title: 光ガイドを有する表示装置
IPC: G02B6/35
Filed: 2003-02-07
Abstract: 表示装置は、前面プレート及び光ガイド上に設けられた行（５）及び列（６）電極、コモン電極（７）を備える可動エレメント（３）、並びにこれらの電極に電圧を供給する手段（１７）を有する。これにより、制御可能な画像要素が行及び列電極の交点上に形成される。電極によって入力される駆動パルスに依存して、可動エレメントを前面プレート又は背面プレートのいずれかに位置決めされることができる。光ガイドの一方の側において、光源によって発生された光が光ガイドに結合導入される。可動エレメントが光ガイドと接触している場合、その場所において、光は光ガイドから結合導出される。光源と光ガイドとの間に配置されるコリメート手段は、表示装置の均一性を改良する。
Patent JP-2005528634-A (JP)
IPC: B42D15/10
Filed: 2003-04-03
Abstract: A security element for sticking onto a document comprises a layer composite of plastic material and has embedded, optically effective structures of a pattern . The optically effective structures in surface portions of the pattern are in a reference plane, defined by co-ordinate axis (x; y), of the layer composite and are shaped into a reflecting interface. The interface is embedded between a transparent shaping layer and a protective layer of the layer composite. At least one surface portion is of a dimension of greater than 0.4 mm and in the interface has at least one shaped macrostructure which is an at least portion-wise steady and differentiatable function of the co-ordinates (x; y). The macrostructure is curved at least in partial regions and is not a periodic triangular or rectangular function. In the surface portion adjacent extreme values of the macrostructure are at least 0.1 mm away from each other. Upon illumination of the pattern with light an optically variable pattern of light reflection phenomena is visible on the security element upon changing the viewing direction.
Patent JP-2005196368-A (JP)
Title: Switched capacitor circuit and switched capacitor integrating device
Inventor: SOFUE KAZUKI
IPC: H03K17/687
Filed: 2004-01-05
Abstract: <P>PROBLEM TO BE SOLVED: To reduce noise and unnecessary radiation in a switched capacitor circuit, and to suppress the increase of a centering error.  <P>SOLUTION: When each of transistor switches SW1 to SW 4 is turned into a complete ON state, a resistor is inserted into a transistor group for controlling the gate voltage of the transistor switch, and the transitional period of each transistor from an off-state to a complete on-state is prolonged. On the other hand, when each of the transistor switches SW1 to SW4 is turned into an off-state, the resistor is not inserted, and the transitional period of each transistor switch from the complete on-state to the off-state is shortened.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004217933-A (JP)
Title: Water-soluble natural film and its manufacturing method
Inventor: YOU HYUNG JA
IPC: A61K8/64
Filed: 2004-01-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a water-soluble natural film containing chitosan which has high quality and high functionality and its manufacturing method.  <P>SOLUTION: The water-soluble natural film comprises 20-99.98 wt.% of an immunity-enhanced water-soluble chitosan prepared by nano-coating a water-soluble β-glucosamine fibrin, which is obtained by decomposing chitin/chitosan with lysozyme, subjecting to ultrasonic treatment in a salt solution and then subjecting to ion exchange treatment, with γ-globulin which is an immunoprotein, 0.01-75 wt.% of one or more seaweeds selected from among agar, jellyfish, Wakame seaweed, sea tangle, and an extract thereof, and 0.01-30 wt.% of one or more functional ingredients selected from among γ-globulin, cholic acid, astaxanthin, rutin, lecitin, Inula helenium, cellulose, and collagen.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2005200022-A (JP)
Title: Packaging bag for heating
Inventor: TOKUNAGA TOMOKO
IPC: B65D77/38
Filed: 2004-01-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a packaging bag for heating, which does not burst due to an inner pressure generated by steam when the packaging bag containing a watery article, such as a moistened towel, is heated on a microwave oven or the like.  <P>SOLUTION: The packaging bag is made of a laminate 10 consisting of a base material layer 11 and a heat adhesive resin layer 12. A mitered heat adhesive part 2 and an edge heat adhesive part 3 are formed on the laminate 10 to make it into a bag of long and narrow pillow shape. A partial peel-off layer 4, 4', or 4" is formed between the base material layer 11 and the heat adhesive resin layer 12 at the longitudinal center of the mitered heat adhesive part 2 on one surface of the laminate 10, where the partial peel-off layer extends from a point deeper inside than the inner end of the mitered heat adhesive part 2 by a given distance to the edge of the laminate 10 that is parallel with the mitered heat adhesive part 2.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005122088-A (JP)
Title: Electronic keyboard musical instrument and chair for musical instrument
Inventor: INUZUKA TOSHIO
IPC: G10H1/32
Filed: 2004-01-14
Abstract: <P>PROBLEM TO BE SOLVED: To facilitate assembly work of an electronic keyboard musical instrument while assuring the rigidity of connected parts of a frame for the musical instrument.  <P>SOLUTION: A frame assembly FAS is constituted by connecting and fixing a pair of left-side and right-side frame bodies LFM, RFM with an upper-side link 20AS and a lower-side link 30AS. A block 23 for fitting is attached at the upside of a back-side support frame 14L of the frame assembly FAS. A left end 20ASc of the upper-side link 20AS is constituted by allowing a fixing metallic fitting 22, etc., which can be fitted to the block 23 for fitting to be fixed at the left end 20c of a pipe member 20. When the left end 20ASc of the upper-side link 20AS is fitted to the block 23 for fitting and fastening screws 27 are screwed into screw holes 23b of the block 23 for fitting, the end face 20b1 of the upper-side link 20AS becomes to be in the state of pressurized contact with the back-side support frame support frame 14L through a spacer 24 without through the block 23 for fitting.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005200047-A (JP)
Title: Container for holding with hand
Inventor: ONO MINORU
IPC: B65D5/462
Filed: 2004-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a simple assembling method of a hand holding part which makes it possible to complete handle locking of a paper box for holding with hand in one operation.  <P>SOLUTION: An opening for inserting fingers of one handle part is cut out so that only a bottom part remains and the root of a cut-out piece connected to a lid is narrowed. The cut-out piece is inserted into an opposite handle part for inserting fingers. Right and left projection parts are generated by the narrow parts of the inserted cut-out part, so that the projection parts are hooked and locked to both sides of the base of the opening.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005204017-A (JP)
Title: Portable information terminal
Inventor: KUNO YUJI
IPC: G06T7/00
Filed: 2004-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To solve a problem that a self-portrait of good quality is not obtained when the self-portrait is taken outdoors for identification of the person.  <P>SOLUTION: A portable information terminal 10 which can transmit and receive information through a communication circuit, is provided with a light irradiation 12 which irradiates light towards eyes of a pictured person, an image pick-up 13 for photographing an eye picture of the photographed person by reflection light of the eyes, and a light blocking part 14 which blocks surrounding light entering into eyes when photographing.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005199320-A (JP)
Title: Compound working device, and work carrying-in method
Inventor: ARIMA NOBUTAKA
IPC: B21D43/28
Filed: 2004-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a compound working device capable of improving the rate of operation of first and second plate working machines in a compound working machine with the first and second plate working machines compounded with each other.  <P>SOLUTION: A first plate working machine 3 to perform the first working on a plate-like work and a second plate working machine 5 to perform the second working on the work are linearly arranged, a work transport device 7 capable of transporting the work between the first and second plate working machines 3 and 5 is provided on the first and second plate working machines 3 and 5. Machine origin points 3P and 5P of the first and second plate working machines 3 and 5 are set on one of the right side or the left side when viewed in the work transporting direction by the work transport device 7 and on the upstream or downstream side when the work is transported in one direction between the first and second plate working machines 3 and 5.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004245829-A (JP)
Title: Apparatus for inspecting pattern defect, and method of inspecting pattern defect
Inventor: WATANUKI AKIO
IPC: G01N21/956
Filed: 2004-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of inspecting pattern defects which automatically detects coating defects in fluorescent material coated on a glass substrate of a plasma display or the like, without being influenced by a coating pattern, such as a lattice-like fluorescent coating film, is easily installed in a production line of a panel, and realizes low-priced and high-speed defect inspection.  <P>SOLUTION: The method comprises taking an image of the pattern of the lattice-like phosphor coated film formed on the substrate, calculating the lattice pitch of the lattice-like fluorescent coating film from an image signal obtained by the image, comparing image data of at least two regions the size of an integral multiple of the lattice pitch from the image signal, and detecting pattern defects in the lattice-like fluorescent coating film, based on the result of comparison.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2005210314-A (JP)
Title: Communication system, communication unit, method and program
Inventor: SUGI JIYUNJIRO
IPC: H04N7/00
Filed: 2004-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a convenient communication system capable of facilitating setting of system information, and to provide a communication unit, method and program.  <P>SOLUTION: For a communication means performing communication with other communication unit using set system information according to a predetermined wireless communication regulation, common system information is set between a predetermined communication unit and all other communication units. After communication is established with other communication unit, new system information inputted by a user or provided previously is delivered to/from other communication unit and that new system information is set in the communication means.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004244218-A (JP)
Title: Sphere transporting device and sphere recovery system
Inventor: MATSUO TAKAHIRO
IPC: A63B69/38
Filed: 2004-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a sphere transporting device capable of transporting spheres both in the upward and downward directions, being constructed from less sorts of components and at low cost, involving less risk of failure, taking long the transport distance, changing the transporting direction simply, and transporting the sphere at high speed, and provide a sphere recovery system capable of collecting a large quantity of spheres scattered at random on the floor or the ground quickly and certainly via an upward facing path.  <P>SOLUTION: The sphere transporting device is structured so that a plurality of drive rollers 2 are installed on one side of a sphere transport path 1, and on the counter-surface of the transport path 1 opposing to the drive rollers 2, a plurality of stationary walls 3 having an circular arced concave section are formed in which the width of the sphere transport path 1 is kept in a constant spacing with respect to the lateral circumferential surfaces of the drive rollers 2, and thereby the sphere a is transported in pressure pinching by the drive rollers 2 and the stationary walls 3.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2005208421-A (JP)
Title: Document read-aloud system and method
Inventor: TAKEDA SEIICHI
IPC: G10L13/047
Filed: 2004-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To enable a document read-aloud apparatus to properly analyze distributed character data and correctly read the character data aloud although the document read-aloud apparatus refers to a dictionary having limited capacity by allowing a language analyzing server to analyze the character data distributed from an information providing server, extract a morpheme that the document read-aloud apparatus misreads, and transmit data showing a reading of the extracted morpheme to the document read-aloud apparatus.  <P>SOLUTION: A document read-aloud system has: the information providing server 21 which distributes character data; the document read-aloud apparatus which analyzes and reads the character data aloud; and the language analyzing server 31 which extracts a morpheme that the document read-aloud apparatus misreads and transmits the data showing the reading of the extracted morpheme to the document read-aloud apparatus, wherein the document read-aloud apparatus analyzes and reads the character data aloud by using the data showing the reading of the extracted morpheme.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005216897-A (JP)
Title: Solid state image sensor and its manufacturing method
Inventor: FUKUYOSHI KENZO
IPC: H04N5/335
Filed: 2004-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a solid state image sensor of high image quality which has a high S/N ratio and alleviates a color mixture and in which the influence of a reflection light is little even if it is a fine pixel of 3 μm or less and to provide a method of manufacturing the same.  <P>SOLUTION: The solid state image sensor includes a photoelectric conversion element 16 arranged in a two-dimension manner, a color filter 12 and a substantially half-sphere-like microlens 11 laminated of this photoelectric conversion element. The exposed surface 23 between the microlenses, is a color filter. And, the front surface of the microlens and the color filter have roughed front surfaces which make a low reflection reduce the active reflection factor.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005212993-A (JP)
Title: Dot line printer
Inventor: SHINOHARA MAKOTO
IPC: B41J15/04
Filed: 2004-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To solve a problem wherein it takes much time to confirm the stuck position of a delivery slip or a label paper for elimination and to attach/detach parts to restore a stuck obstacle in conventional paper guides divided on the paper feeding space side and the printing mechanism part side.  <P>SOLUTION: A paper travel guide is constituted as one component extending from the paper feeding space of a casing to the printing mechanism part, or an integrally assembled article comprising a plurality of components. The paper travel guide is detachably fixed to the paper feeding space side of the casing.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005214542-A (JP)
Title: Refrigeration device
Inventor: TSUBOE HIROAKI
IPC: F25B1/00
Filed: 2004-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To inhibit the increase in pressure loss of a filter for eliminating and recovering impurities in a refrigerant.  <P>SOLUTION: In this refrigeration device, a refrigeration cycle is formed by a compressor, a condenser, an evaporator and a pressure reducing means, a filter 30 and a bypass pipe 32 connected to the filter 30 in parallel are mounted on a horizontal part of a refrigerant pipe 24 connecting the evaporator and the condenser, and the bypass pipe 32 is mounted at a lower side of the filter 30.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005216104-A (JP)
Title: Method, program, and system for printed matter supply
Inventor: NOMURA YASUHIRO
IPC: G06Q50/00
Filed: 2004-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method, program, and a system for printed matter supply capable of simply producing printed matters for a designated period by using image data owned by a user.  <P>SOLUTION: A management computer 2 is connected with a user terminal 3 via a network N, and transmits notice requesting transmission of an image file to the user terminal 3 for a predetermined producing period on the basis of user information memorized in a user information memory section 10. The management computer 2 memorizes the image file in the user information memory section 10 by receiving the image file transmitted from the user terminal 3 in answer to the notice, and prepares calendar data by using the received image file and template data, and then, transmits the completed calendar data to a terminal 4 for printing connected with a printer 5 via the network N.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005215603-A (JP)
Title: Optical waveguide module and optical fiber
Inventor: MISUMI SHUICHI
IPC: G02B6/44
Filed: 2004-02-02
Abstract: <P>PROBLEM TO BE SOLVED: To improve the sealing performance of an optical waveguide module constituted by connecting an optical fiber to an optical fiber and putting them in a case.  <P>SOLUTION: A bare module to which a coated fiber 24 is connected is put in a case 22 in sealed structure and the coated fiber 24 is led out of the case 22 while penetrating the case 22. Epoxy resin 51 is charged in the gap between the coated fiber 24 and case 22 where the coated fiber 24 penetrates the case 22 to seal the gap and also fix the coated fiber 24 to the case 22. Further, the coating of the coated fiber 24 is impregnated with the epoxy resin 51 to increase the density of the coating of the part where coated fiber 24 penetrates the case 22, thereby sealing the coating inner side so that steam, gas, etc., entering the coating of the coated fiber 24 can not enter the case 22 through the coating.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005222613-A (JP)
Title: Optical disk
Inventor: YAMAZAKI TAKESHI
IPC: G11B7/24056
Filed: 2004-02-05
Abstract: <P>PROBLEM TO BE SOLVED: To suppress the deterioration of quality with time by effectively preventing the peeling or the like of a light transmission layer without deterioration of the light transmission of a recording/reproducing surface.  <P>SOLUTION: An inner peripheral cover layer 116 and an outer peripheral cover layer 118 for preventing peeling and water absorption are disposed on the inner and outer peripheral parts of a light transmission layer 114 on a disk substrate 100. A structure is employed in which the inner and outer peripheral layers 116 and 118 are arranged in inner and outer areas avoiding an effective signal area for recording or reproducing a signal on a recording information layer 112, thereby preventing an influence on the characteristics of signal recording/reproducing. Recessed and projected parts are disposed on the inner peripheral cover layer 116 so as to prevent protruding into a clamp area, and the outer peripheral cover layer 118 is protruded to the vertical end surface of the outer peripheral edge of a disk substrate to firmly seal the disk outer peripheral part.  <P>COPYRIGHT: (C)2005,JPO&NCIPI