DE69219031T2 - Optischer Speicher - Google Patents
Optischer SpeicherInfo
- Publication number
- DE69219031T2 DE69219031T2 DE69219031T DE69219031T DE69219031T2 DE 69219031 T2 DE69219031 T2 DE 69219031T2 DE 69219031 T DE69219031 T DE 69219031T DE 69219031 T DE69219031 T DE 69219031T DE 69219031 T2 DE69219031 T2 DE 69219031T2
- Authority
- DE
- Germany
- Prior art keywords
- optical storage
- optical
- storage
- 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 - Lifetime
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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
- G11B7/261—Preparing a master, e.g. exposing photoresist, electroforming
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24073—Tracks
- G11B7/24079—Width or depth
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
-
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0045—Recording
- G11B7/00454—Recording involving phase-change effects
-
- 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
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
-
- 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
- G11B7/0938—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 servo format, e.g. guide tracks, pilot signals
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3200327A JP2693289B2 (ja) | 1991-08-09 | 1991-08-09 | 光メモリ |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69219031D1 DE69219031D1 (de) | 1997-05-22 |
DE69219031T2 true DE69219031T2 (de) | 1997-10-16 |
Family
ID=16422455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69219031T Expired - Lifetime DE69219031T2 (de) | 1991-08-09 | 1992-08-07 | Optischer Speicher |
Country Status (5)
Country | Link |
---|---|
US (2) | US5586109A (de) |
EP (1) | EP0527602B1 (de) |
JP (1) | JP2693289B2 (de) |
CA (1) | CA2075518C (de) |
DE (1) | DE69219031T2 (de) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3350148B2 (ja) * | 1993-06-15 | 2002-11-25 | 株式会社ニコン | 光ディスク |
PL192729B1 (pl) * | 1994-02-15 | 2006-12-29 | Koninkl Philips Electronics Nv | Sposób przekształcania słów informacj na sygnał modulowany |
TW325185U (en) * | 1994-03-22 | 1998-01-11 | Mitsubish Chem Corp | Optical disk |
WO1995028705A1 (fr) * | 1994-04-18 | 1995-10-26 | Sony Corporation | Substrat pour support d'enregistrement optique et dispositif d'estampage pour fabriquer un substrat pour support d'enregistrement optique |
JPH0991761A (ja) * | 1995-09-28 | 1997-04-04 | Sony Corp | 光記録媒体 |
US6829212B1 (en) | 1995-12-05 | 2004-12-07 | Nikon Corporation | High density optical disk and a method of high density recording |
JPH09237441A (ja) * | 1996-02-29 | 1997-09-09 | Nikon Corp | 光ディスク及びその記録再生方法 |
JPH10124877A (ja) * | 1996-10-21 | 1998-05-15 | Sony Corp | 光再生装置、記録媒体およびトラッキング方法 |
US5766495A (en) * | 1997-03-13 | 1998-06-16 | Wea Manufacturing Inc. | Methods for providing generic and specific artwork on plastic information discs |
DE69839291T2 (de) * | 1997-04-09 | 2009-04-09 | Ricoh Co., Ltd. | Verfahren zur Aufeichnung eines Phasenwechselaufzeichnungsmediums für Spurführung nach dem differentiellen Phasendetekttionsverfahren |
JPH1166626A (ja) | 1997-08-18 | 1999-03-09 | Sony Corp | 光ディスク及びその記録再生方法 |
KR100224871B1 (ko) * | 1997-09-30 | 1999-10-15 | 윤종용 | 광디스크 및 그 광디스크의 제조방법 |
JP3372466B2 (ja) * | 1997-12-22 | 2003-02-04 | ティーディーケイ株式会社 | 偏光板の製造方法 |
WO1999052105A1 (en) | 1998-04-06 | 1999-10-14 | Imation Corp. | Reverse optical mastering for data storage disks |
US6190838B1 (en) * | 1998-04-06 | 2001-02-20 | Imation Corp. | Process for making multiple data storage disk stampers from one master |
US5986815A (en) * | 1998-05-15 | 1999-11-16 | Optical Coating Laboratory, Inc. | Systems, methods and apparatus for improving the contrast ratio in reflective imaging systems utilizing color splitters |
JP3104699B1 (ja) | 1999-06-01 | 2000-10-30 | 株式会社ニコン | 細溝付き成形基板の製造方法 |
US6398364B1 (en) | 1999-10-06 | 2002-06-04 | Optical Coating Laboratory, Inc. | Off-axis image projection display system |
US6500510B1 (en) | 1999-11-04 | 2002-12-31 | Molecular Storage Technologies, Inc. | Molecular level optical information storage devices |
IT247679Y1 (it) | 1999-11-29 | 2002-09-09 | Atop Innovation Spa | Perfezionato disco ottico compatto, o cd. |
JP2002050090A (ja) * | 2000-05-25 | 2002-02-15 | Fujitsu Ltd | 光記録媒体 |
CN1461473A (zh) * | 2000-12-15 | 2003-12-10 | 顶点创新股份公司 | 改良的小型光碟,即cd |
US6616867B2 (en) | 2001-02-07 | 2003-09-09 | Imation Corp. | Multi-generation stampers |
JP4244527B2 (ja) * | 2001-04-06 | 2009-03-25 | ソニー株式会社 | 光ディスクの製造方法 |
US6638692B1 (en) | 2001-07-16 | 2003-10-28 | Imation Corp. | Replicated regions on optical disks |
WO2003040781A1 (en) * | 2001-11-02 | 2003-05-15 | Mems Optical, Inc. | Processes using gray scale exposure processes to make microoptical elements and corresponding molds |
US7008208B1 (en) | 2002-01-17 | 2006-03-07 | Imation Corp. | Grounded molding tool for manufacture of optical components |
US6977052B1 (en) | 2002-01-18 | 2005-12-20 | Imation Corp | Check disk for optical data storage disk manufacturing |
US8473973B2 (en) * | 2003-07-11 | 2013-06-25 | Koninklijke Philips Electronics N.V. | Recordable optical record carrier |
KR100537938B1 (ko) * | 2003-12-05 | 2005-12-21 | 한국전자통신연구원 | 격자렌즈 제작용 스탬퍼 제작 방법 및 이를 이용한격자렌즈 제작 방법 |
EP1542074A1 (de) * | 2003-12-11 | 2005-06-15 | Heptagon OY | Herstellung eines Werkzeugs zur Vervielfältigung |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56145535A (en) * | 1980-04-15 | 1981-11-12 | Matsushita Electric Ind Co Ltd | Disc for optical recording |
JPS5835742A (ja) * | 1981-08-21 | 1983-03-02 | Victor Co Of Japan Ltd | 情報記録媒体円盤の製作に用いられるスタンパの製作法 |
JPS58102347A (ja) * | 1981-12-11 | 1983-06-17 | Mitsubishi Electric Corp | 光デイスク記録担体 |
JPS58102338A (ja) * | 1981-12-11 | 1983-06-17 | Mitsubishi Electric Corp | 光デイスク記録・再生装置 |
JPS58100248A (ja) * | 1981-12-11 | 1983-06-14 | Ricoh Co Ltd | 光学的情報記録媒体 |
JPS58165794A (ja) * | 1982-03-26 | 1983-09-30 | Baiorisaac Center:Kk | 微生物を利用する不飽和ジカルボン酸の製造法 |
JPS5911551A (ja) * | 1982-07-12 | 1984-01-21 | Toshiba Corp | 光学式情報記憶媒体 |
JPS5938944A (ja) * | 1982-08-26 | 1984-03-03 | Toshiba Corp | 光学式情報記憶媒体 |
JPS5938943A (ja) * | 1982-08-26 | 1984-03-03 | Toshiba Corp | 光学式情報記憶媒体 |
EP0107913B1 (de) * | 1982-09-29 | 1988-06-22 | Kabushiki Kaisha Toshiba | Strahlungsempfindlicher Trägerkörper zur Verwendung als Prägestruktur |
JPS60147946A (ja) * | 1984-01-10 | 1985-08-05 | Sharp Corp | 光メモリ素子の製造方法 |
US4544443A (en) * | 1983-05-13 | 1985-10-01 | Shap Kabushiki Kaisha | Method for manufacturing an optical memory element |
JPH0685237B2 (ja) * | 1984-03-16 | 1994-10-26 | シャープ株式会社 | 光磁気メモリ素子の製造方法 |
EP0155000B1 (de) * | 1984-03-16 | 1991-08-14 | Sharp Kabushiki Kaisha | Verfahren zur Herstellung eines optischen Speicherelements |
JPH07107744B2 (ja) * | 1984-05-16 | 1995-11-15 | 松下電器産業株式会社 | 光ディスクの再生方法 |
US4680742A (en) * | 1984-07-07 | 1987-07-14 | Kyocera Corporation | Magneto-optical recording element |
JPS6151631A (ja) * | 1984-08-20 | 1986-03-14 | Sharp Corp | 光磁気メモリ素子 |
JPS62128944A (ja) * | 1985-11-27 | 1987-06-11 | Sharp Corp | 光メモリ素子 |
JPS6318541A (ja) * | 1986-07-11 | 1988-01-26 | Hitachi Ltd | 電子線記録再生方法及びその装置 |
JPS6356831A (ja) * | 1986-08-27 | 1988-03-11 | Sumitomo Electric Ind Ltd | 光デイスク用ガラス基板のグル−ビング方法 |
JPH0770094B2 (ja) * | 1987-12-04 | 1995-07-31 | シャープ株式会社 | ディスク状光記録媒体の製造方法および製造用フォトマスク |
JP2667189B2 (ja) * | 1988-03-25 | 1997-10-27 | デュプロ精工株式会社 | 画像処理方法と画像処理装置 |
JPH01258243A (ja) * | 1988-04-08 | 1989-10-16 | Fujitsu Ltd | 互換型書き換え可能光ディスク |
JPH0243380A (ja) * | 1988-08-02 | 1990-02-13 | Toshiba Corp | 光ディスク基板成形用金型及びその製造方法 |
JPH0678590B2 (ja) * | 1988-09-19 | 1994-10-05 | パイオニア株式会社 | スタンパー製造方法 |
JP2754785B2 (ja) * | 1989-09-20 | 1998-05-20 | ソニー株式会社 | 高密度光ディスクの製造方法 |
US5228001A (en) * | 1991-01-23 | 1993-07-13 | Syracuse University | Optical random access memory |
JP2982328B2 (ja) * | 1991-01-23 | 1999-11-22 | ソニー株式会社 | 高密度光ディスクの作製方法 |
-
1991
- 1991-08-09 JP JP3200327A patent/JP2693289B2/ja not_active Expired - Lifetime
-
1992
- 1992-08-07 EP EP92307222A patent/EP0527602B1/de not_active Expired - Lifetime
- 1992-08-07 DE DE69219031T patent/DE69219031T2/de not_active Expired - Lifetime
- 1992-08-07 CA CA002075518A patent/CA2075518C/en not_active Expired - Lifetime
-
1994
- 1994-12-12 US US08/354,457 patent/US5586109A/en not_active Expired - Lifetime
-
1996
- 1996-08-01 US US08/688,852 patent/US5676854A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69219031D1 (de) | 1997-05-22 |
EP0527602A2 (de) | 1993-02-17 |
CA2075518A1 (en) | 1993-02-10 |
CA2075518C (en) | 1997-04-15 |
US5586109A (en) | 1996-12-17 |
JP2693289B2 (ja) | 1997-12-24 |
JPH0547043A (ja) | 1993-02-26 |
EP0527602A3 (en) | 1993-03-31 |
EP0527602B1 (de) | 1997-04-16 |
US5676854A (en) | 1997-10-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
R071 | Expiry of right |
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