DE69517448T2 - Optische aufzeichnungs- und wiedergabevorrichtung - Google Patents
Optische aufzeichnungs- und wiedergabevorrichtungInfo
- Publication number
- DE69517448T2 DE69517448T2 DE69517448T DE69517448T DE69517448T2 DE 69517448 T2 DE69517448 T2 DE 69517448T2 DE 69517448 T DE69517448 T DE 69517448T DE 69517448 T DE69517448 T DE 69517448T DE 69517448 T2 DE69517448 T2 DE 69517448T2
- Authority
- DE
- Germany
- Prior art keywords
- optical recording
- playback device
- playback
- recording
- optical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1353—Diffractive elements, e.g. holograms or gratings
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/13—Optical detectors therefor
- G11B7/131—Arrangement of detectors in a multiple array
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1372—Lenses
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1387—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector using the near-field effect
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0943—Methods and circuits for performing mathematical operations on individual detector segment outputs
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP1995/000374 WO1996027880A1 (fr) | 1995-03-08 | 1995-03-08 | Tete optique a champ de proximite stratifiee et dispositif d'enregistrement et de reproduction d'informations optiques |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69517448D1 DE69517448D1 (de) | 2000-07-13 |
DE69517448T2 true DE69517448T2 (de) | 2000-10-12 |
Family
ID=14125700
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69517448T Expired - Fee Related DE69517448T2 (de) | 1995-03-08 | 1995-03-08 | Optische aufzeichnungs- und wiedergabevorrichtung |
Country Status (6)
Country | Link |
---|---|
US (1) | US5946281A (de) |
EP (1) | EP0814468B1 (de) |
JP (1) | JP3231331B2 (de) |
KR (1) | KR100318159B1 (de) |
DE (1) | DE69517448T2 (de) |
WO (1) | WO1996027880A1 (de) |
Families Citing this family (58)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5910940A (en) * | 1996-10-08 | 1999-06-08 | Polaroid Corporation | Storage medium having a layer of micro-optical lenses each lens generating an evanescent field |
EP0899721A4 (de) * | 1997-02-17 | 2002-03-13 | Seiko Epson Corp | Magnetaufzeichnungsmethode |
US6167016A (en) * | 1997-04-11 | 2000-12-26 | Aerial Imaging Corporation | Optical head with a diffractive lens for focusing a laser beam |
US6564009B2 (en) * | 1997-05-19 | 2003-05-13 | Sony Corporation | Apparatus for recording and/or reproducing data onto and/or from an optical disk and method thereof |
US6108135A (en) * | 1997-06-16 | 2000-08-22 | Digital Papyrus Corporation | Planar proximity lens element and disk drive using same |
US6307827B1 (en) * | 1997-08-29 | 2001-10-23 | Matsushita Electric Industrial Co., Ltd. | Optical device and information recording and reproducing device |
JPH11110812A (ja) * | 1997-10-06 | 1999-04-23 | Fujitsu Ltd | 光磁気記録媒体及び光学的情報記憶装置 |
US6396789B1 (en) * | 1998-02-27 | 2002-05-28 | Calimetrics, Inc. | Data storage system and methods using diffractive near-field optics |
US6407975B1 (en) | 1998-03-16 | 2002-06-18 | Asahi Kogaku Kogyo Kabushiki Kaisha Of Tokyo | Optical disk drive |
US6154326A (en) * | 1998-03-19 | 2000-11-28 | Fuji Xerox Co., Ltd. | Optical head, disk apparatus, method for manufacturing optical head, and optical element |
JP4109744B2 (ja) * | 1998-03-24 | 2008-07-02 | セイコーインスツル株式会社 | 近視野光ヘッド |
US20080128844A1 (en) * | 2002-11-18 | 2008-06-05 | Tessera North America | Integrated micro-optical systems and cameras including the same |
US6426829B1 (en) | 1998-03-26 | 2002-07-30 | Digital Optics Corp. | Integrated micro-optical systems |
AU3365699A (en) * | 1998-03-26 | 1999-10-18 | Digital Optics Corporation | Integrated micro-optical systems |
KR100297764B1 (ko) * | 1998-04-27 | 2001-08-07 | 윤종용 | 고밀도 기록/재생 가능한 광픽업장치 |
US6687196B1 (en) | 1998-05-08 | 2004-02-03 | Fuji Xerox Co., Lt.D. | Method and apparatus for implementing high density recording on a recording medium and a method of manufacturing same |
JP4020229B2 (ja) * | 1998-05-11 | 2007-12-12 | セイコーインスツル株式会社 | 近視野光学ヘッド |
JP3426962B2 (ja) | 1998-05-19 | 2003-07-14 | 株式会社日立製作所 | 光ヘッドおよびそれを用いた光学的情報記録再生装置 |
US6229782B1 (en) * | 1998-07-06 | 2001-05-08 | Read-Rite Corporation | High numerical aperture optical focusing device for use in data storage systems |
US6377535B1 (en) * | 1998-07-06 | 2002-04-23 | Read-Rite Corporation | High numerical aperture optical focusing device having a conical incident facet and a parabolic reflector for use in data storage systems |
JP4020225B2 (ja) * | 1998-10-27 | 2007-12-12 | セイコーインスツル株式会社 | 近視野光プローブ |
US6324131B1 (en) * | 1999-01-04 | 2001-11-27 | Seagate Technology Llc | Low glide magneto-optical recording medium |
TW480479B (en) * | 1999-02-25 | 2002-03-21 | Hitachi Ltd | Optical information processor |
WO2000074048A1 (fr) | 1999-05-31 | 2000-12-07 | Fujitsu Limited | Tete d'enregistrement, procede de fabrication d'une tete d'enregistrement, et dispositif d'enregistrement de donnees |
KR100700509B1 (ko) * | 1999-10-20 | 2007-03-28 | 엘지전자 주식회사 | 근접장 광 기록 재생 시스템의 트랙킹 장치 |
US6351443B1 (en) * | 1999-11-04 | 2002-02-26 | Industrial Technology Research Institute | Diffractive stack pickup head for optical disk drives and method to fabricate the pickup head |
US7265439B1 (en) * | 1999-11-30 | 2007-09-04 | Avago Technologies Fiber Ip (Singapore) Pte. Ltd. | Low cost, high speed, high efficiency infrared transceiver |
KR100657252B1 (ko) | 2000-01-20 | 2006-12-14 | 삼성전자주식회사 | 근접장 기록재생용 광헤드 및 그 제조방법 |
US7177550B1 (en) * | 2001-01-24 | 2007-02-13 | Ball Aerospace & Technologies Corp. | On-axis laser receiver wavelength demultiplexer with integral immersion lensed detectors |
WO2002063613A2 (en) * | 2001-02-07 | 2002-08-15 | University Of Rochester | A system and method for high resolution optical imaging, data storage, lithography, and inspection |
JP2003016683A (ja) * | 2001-06-29 | 2003-01-17 | Ricoh Co Ltd | 光ピックアップ装置及び積層光学素子の作成方法及び光ディスクドライブ装置 |
KR100429841B1 (ko) * | 2001-07-19 | 2004-05-04 | 삼성전자주식회사 | Grin 렌즈를 구비하는 광 기록헤드 |
JP2003057420A (ja) * | 2001-08-08 | 2003-02-26 | Minolta Co Ltd | 光収束用光学素子 |
KR100813945B1 (ko) | 2001-08-13 | 2008-03-14 | 삼성전자주식회사 | 광픽업장치 및 이에 적용되는 기록매체 |
US6917472B1 (en) | 2001-11-09 | 2005-07-12 | Xradia, Inc. | Achromatic fresnel optics for ultraviolet and x-ray radiation |
US6914723B2 (en) * | 2001-11-09 | 2005-07-05 | Xradia, Inc. | Reflective lithography mask inspection tool based on achromatic Fresnel optics |
JP2003156834A (ja) * | 2001-11-19 | 2003-05-30 | Fuji Photo Film Co Ltd | 近接場光露光用マスク、露光装置および露光方法 |
US6714370B2 (en) | 2002-01-07 | 2004-03-30 | Seagate Technology Llc | Write head and method for recording information on a data storage medium |
JP4239822B2 (ja) * | 2002-03-18 | 2009-03-18 | 株式会社ニコン | 回折光学素子およびその製造方法、並びに光学装置 |
US8059345B2 (en) | 2002-07-29 | 2011-11-15 | Digitaloptics Corporation East | Integrated micro-optical systems |
DE10303927B4 (de) * | 2003-01-31 | 2005-03-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Sonde für ein optisches Nahfeldmikroskop mit verbesserter Streulichtunterdrückung und Verfahren zu deren Herstellung |
JP4195352B2 (ja) * | 2003-09-10 | 2008-12-10 | 三星エスディアイ株式会社 | 発光素子基板およびそれを用いた発光素子 |
JP4703108B2 (ja) * | 2003-09-10 | 2011-06-15 | 三星モバイルディスプレイ株式會社 | 発光素子基板およびそれを用いた発光素子 |
US20050063431A1 (en) * | 2003-09-19 | 2005-03-24 | Gallup Kendra J. | Integrated optics and electronics |
JP2005144561A (ja) * | 2003-11-11 | 2005-06-09 | Seiko Epson Corp | 近接場光プローブ、近接場光の取出し方法並びに近接場光を用いた加工方法 |
US20060182393A1 (en) * | 2005-02-11 | 2006-08-17 | Seagate Technology Llc | System for confined optical power delivery and enhanced optical transmission efficiency |
JP4387982B2 (ja) | 2005-05-24 | 2009-12-24 | 富士通株式会社 | 光照射素子および情報記録再生装置 |
US7830770B1 (en) | 2006-03-15 | 2010-11-09 | Emc Corporation | Techniques for storing and retrieving data using a sphere-shaped data storage structure |
WO2007145118A1 (ja) * | 2006-06-13 | 2007-12-21 | Panasonic Corporation | 複合光学素子 |
WO2007145120A1 (ja) * | 2006-06-13 | 2007-12-21 | Panasonic Corporation | 複合光学素子 |
US7768657B2 (en) * | 2007-08-07 | 2010-08-03 | Seagate Technology Llc | Optical fly height measurement |
US8325566B2 (en) * | 2009-03-19 | 2012-12-04 | Tdk Corporation | Thermally-assisted magnetic recording head having a light source at least inclined from an opposed-to-medium surface |
US8194509B2 (en) * | 2009-07-30 | 2012-06-05 | Tdk Corporation | Thermally-assisted magnetic recording head comprising light source with photonic-band layer |
US8526575B1 (en) | 2009-08-12 | 2013-09-03 | Xradia, Inc. | Compound X-ray lens having multiple aligned zone plates |
JP5397200B2 (ja) * | 2009-09-18 | 2014-01-22 | ソニー株式会社 | 熱アシスト磁気ヘッド及び記録再生装置 |
US8223596B2 (en) * | 2009-10-19 | 2012-07-17 | Tdk Corporation | Thermally-assisted magnetic recording head with plane-emission type light source |
US8441895B2 (en) * | 2009-11-20 | 2013-05-14 | Tdk Corporation | Thermally-assisted magnetic recording head with light detector in element-integration surface |
US8654617B2 (en) | 2012-03-21 | 2014-02-18 | Tdk Corporation | Thermally-assisted magnetic recording head with optically isolating waveguide, head gimbal assembly, head arm assembly, magnetic disk unit, and light transmission unit |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5125750A (en) * | 1991-03-14 | 1992-06-30 | The Board Of Trustees Of The Leland Stanford Junior University | Optical recording system employing a solid immersion lens |
US5121256A (en) * | 1991-03-14 | 1992-06-09 | The Board Of Trustees Of The Leland Stanford Junior University | Lithography system employing a solid immersion lens |
US5361244A (en) * | 1991-04-10 | 1994-11-01 | Hitachi, Ltd. | Optical head and information recording apparatus |
JPH0534129A (ja) * | 1991-07-31 | 1993-02-09 | Satoshi Kawada | 光学プローブ |
US5422870A (en) * | 1991-09-27 | 1995-06-06 | Matsushita Electric Industrial Co., Ltd. | Optical pickup for information recording/reproducing apparatus |
US5199090A (en) * | 1992-03-06 | 1993-03-30 | Hewlett-Packard Company | Flying magnetooptical read/write head employing an optical integrated circuit waveguide |
US5410468A (en) * | 1992-06-26 | 1995-04-25 | Matsushita Electric Industrial Co., Ltd. | Optical pick-up apparatus |
DE4404635C2 (de) * | 1993-02-17 | 1998-06-18 | Hitachi Ltd | Schwimmender optischer Abtastkopf, der integral mit einer Lichtquelle und einem Photodetektor ausgebildet ist, und optisches Plattengerät mit einem solchen |
FR2724042B1 (fr) * | 1994-08-30 | 1997-01-03 | Thomson Csf | Systeme d'ecriture/lecture optique d'un support d'enregistrement et application a un disque d'enregistrement |
US5835458A (en) * | 1994-09-09 | 1998-11-10 | Gemfire Corporation | Solid state optical data reader using an electric field for routing control |
JPH0954971A (ja) * | 1995-08-11 | 1997-02-25 | Sony Corp | 光学ピックアップおよび再生装置 |
US5602820A (en) * | 1995-08-24 | 1997-02-11 | International Business Machines Corporation | Method and apparatus for mass data storage |
-
1995
- 1995-03-08 WO PCT/JP1995/000374 patent/WO1996027880A1/ja active IP Right Grant
- 1995-03-08 KR KR1019970706015A patent/KR100318159B1/ko not_active IP Right Cessation
- 1995-03-08 EP EP95910764A patent/EP0814468B1/de not_active Expired - Lifetime
- 1995-03-08 JP JP52675196A patent/JP3231331B2/ja not_active Expired - Fee Related
- 1995-03-08 DE DE69517448T patent/DE69517448T2/de not_active Expired - Fee Related
- 1995-08-03 US US08/913,171 patent/US5946281A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5946281A (en) | 1999-08-31 |
EP0814468A4 (de) | 1998-11-25 |
EP0814468A1 (de) | 1997-12-29 |
KR19980702610A (ko) | 1998-08-05 |
KR100318159B1 (ko) | 2002-04-22 |
EP0814468B1 (de) | 2000-06-07 |
JP3231331B2 (ja) | 2001-11-19 |
WO1996027880A1 (fr) | 1996-09-12 |
DE69517448D1 (de) | 2000-07-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |