DE69118409D1 - Gehäuse für einen optischen Datenträger - Google Patents

Gehäuse für einen optischen Datenträger

Info

Publication number
DE69118409D1
DE69118409D1 DE69118409T DE69118409T DE69118409D1 DE 69118409 D1 DE69118409 D1 DE 69118409D1 DE 69118409 T DE69118409 T DE 69118409T DE 69118409 T DE69118409 T DE 69118409T DE 69118409 D1 DE69118409 D1 DE 69118409D1
Authority
DE
Germany
Prior art keywords
housing
data carrier
optical data
optical
carrier
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
Application number
DE69118409T
Other languages
English (en)
Other versions
DE69118409T2 (de
Inventor
Michiyoshi Nagashima
Fumiaki Ueno
Hiroyuki Ogawa
Toshinori Kishi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69118409D1 publication Critical patent/DE69118409D1/de
Application granted granted Critical
Publication of DE69118409T2 publication Critical patent/DE69118409T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/03—Containers for flat record carriers
    • G11B23/0301—Details
    • G11B23/0308—Shutters
    • 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
    • G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
    • 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
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24035—Recording layers
    • G11B7/24038—Multiple laminated recording layers
    • 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
DE69118409T 1990-01-11 1991-01-04 Gehäuse für einen optischen Datenträger Expired - Fee Related DE69118409T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005826A JP2514261B2 (ja) 1990-01-11 1990-01-11 光情報媒体、その製造方法、及びそのカセットケ―ス

Publications (2)

Publication Number Publication Date
DE69118409D1 true DE69118409D1 (de) 1996-05-09
DE69118409T2 DE69118409T2 (de) 1996-08-14

Family

ID=11621867

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69118409T Expired - Fee Related DE69118409T2 (de) 1990-01-11 1991-01-04 Gehäuse für einen optischen Datenträger

Country Status (4)

Country Link
US (1) US5134604A (de)
EP (1) EP0437223B1 (de)
JP (1) JP2514261B2 (de)
DE (1) DE69118409T2 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5748598A (en) * 1995-12-22 1998-05-05 Massachusetts Institute Of Technology Apparatus and methods for reading multilayer storage media using short coherence length sources
US5449590A (en) * 1991-06-04 1995-09-12 International Business Machines Corporation Multiple data surface optical data storage system
US5255262A (en) * 1991-06-04 1993-10-19 International Business Machines Corporation Multiple data surface optical data storage system with transmissive data surfaces
US7286153B1 (en) * 1991-10-11 2007-10-23 Hitachi, Ltd. Three-dimensional recording and reproducing apparatus
JP3266627B2 (ja) * 1991-10-11 2002-03-18 株式会社日立製作所 情報再生装置
US5815293A (en) * 1993-02-01 1998-09-29 Matsushita Electric Industrial Co., Ltd. Compound objective lens having two focal points
JP2532818B2 (ja) * 1993-02-01 1996-09-11 松下電器産業株式会社 対物レンズおよび光ヘッド装置
US5757763A (en) * 1994-07-12 1998-05-26 Massachusetts Institute Of Technology Optical information storage via amplitude modulation
US5540966A (en) * 1994-08-05 1996-07-30 Minnesota Mining And Manufacturing Company Dual layer optical medium having partially reflecting thin film layer
DE69520920T2 (de) * 1994-10-03 2001-09-27 Matsushita Electric Ind Co Ltd Optisches Informationsmedium, sowie Einheit und Verfahren zu dessen Herstellung
US5726969A (en) * 1994-12-28 1998-03-10 Matsushita Electric Industrial Co., Ltd. Optical recording medium having dual information surfaces
USRE39412E1 (en) 1995-02-15 2006-11-28 Matsushita Electric Industrial Co., Ltd. Optical information medium, and method and apparatus for fabricating the same
JPH08235641A (ja) * 1995-02-27 1996-09-13 Sony Corp 光学記録媒体とその製法
US5526338A (en) * 1995-03-10 1996-06-11 Yeda Research & Development Co. Ltd. Method and apparatus for storage and retrieval with multilayer optical disks
US5764619A (en) 1995-04-07 1998-06-09 Matsushita Electric Industrial Co., Ltd. Optical recording medium having two separate recording layers
KR100402169B1 (ko) * 1995-04-27 2004-03-10 닛폰콜롬비아 가부시키가이샤 다층구조광정보매체
JP3210549B2 (ja) * 1995-05-17 2001-09-17 日本コロムビア株式会社 光情報記録媒体
EP0749119A3 (de) * 1995-05-31 1997-08-20 Daewoo Electronics Co Ltd Optisches Abtastgerät
US5729533A (en) * 1995-09-12 1998-03-17 Wae Manufacturing Inc. Two-sided, light-readable information recording disc stacks and methods of making same
US5640382A (en) * 1995-12-19 1997-06-17 Imation Corp. Dual layer optical medium having partially reflecting metal alloy layer
JPH09259470A (ja) * 1996-03-21 1997-10-03 Toshiba Corp 貼合せ情報記録媒体
US5958651A (en) * 1996-07-11 1999-09-28 Wea Manufacturing Inc. Methods for providing artwork on plastic information discs
US5900098A (en) * 1996-10-11 1999-05-04 Wea Manufacturing Inc. Methods for bonding structurally dissimilar optical discs
US6678237B1 (en) 1997-03-27 2004-01-13 Imation Corp. Dual layer optical storage medium having partially reflecting layer comprising amorphous selenium
US6628603B1 (en) * 1997-03-27 2003-09-30 Imation Corp. Dual layer optical storage medium having partially reflecting layer comprising antimony sulfide
US6440248B1 (en) 1998-02-02 2002-08-27 Wea Manufacturing Inc. Two-sided graphical image DVDs and methods for making same
US5997976A (en) * 1998-02-12 1999-12-07 Wea Manufacturing Inc. Etched mold surface for use in making light-readable discs
US6124011A (en) * 1998-09-03 2000-09-26 Wea Manufacturing, Inc. Information-bearing discs and methods of fabrication
US6590852B1 (en) * 1999-01-05 2003-07-08 Call/Recall, Inc. Massively-parallel writing and reading of information within the three-dimensional volume of an optical disk, particularly by use of a doubly-telecentric afocal imaging system
EP1570466B1 (de) * 2002-08-29 2009-01-07 Koninklijke Philips Electronics N.V. Optisches mehrstapel-datenspeichermedium und verwendung eines solchen mediums
JP4965259B2 (ja) * 2004-08-05 2012-07-04 パナソニック株式会社 光記録媒体、光記録媒体の情報記録／再生方法および情報記録／再生装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3999009A (en) * 1971-03-11 1976-12-21 U.S. Philips Corporation Apparatus for playing a transparent optically encoded multilayer information carrying disc
NL7803069A (nl) * 1978-03-22 1979-09-25 Philips Nv Meerlaags informatieschijf.
US4441179A (en) * 1979-01-15 1984-04-03 Discovision Associates Optical video disc structure
JPS57105828A (en) * 1980-12-19 1982-07-01 Matsushita Electric Ind Co Ltd Optical disk recording and reproducing system
US4561086A (en) * 1983-05-12 1985-12-24 Eastman Kodak Company Optical write/read unit with selective-transparency cover
JPS6040542A (ja) * 1983-08-12 1985-03-02 Nippon Telegr & Teleph Corp <Ntt> 光メモリ媒体
US4542495A (en) * 1983-10-31 1985-09-17 Storage Technology Partners Ii Hermetically sealed disk cartridge with adjustable optical window
JPS60219647A (ja) * 1984-04-13 1985-11-02 Nippon Telegr & Teleph Corp <Ntt> 多層光記録媒体
US4724533A (en) * 1984-06-15 1988-02-09 Matsushita Electric Industrial Co., Ltd. Optical head
JPS61278056A (ja) * 1985-05-31 1986-12-08 Toshiba Corp 光カ−ド
JPS6242343A (ja) * 1985-07-23 1987-02-24 Nippon Columbia Co Ltd 光デイスク及びその再生装置
JP2550970B2 (ja) * 1987-02-20 1996-11-06 ソニー株式会社 ディスクカセット
JPS63298836A (ja) * 1987-05-29 1988-12-06 Matsushita Electric Ind Co Ltd 光記録媒体およびその製造方法
US4858050A (en) * 1987-06-09 1989-08-15 Verbatim Corp. Structurally rigid disk cartridge adaptable to eliminating relative axial cartridge and/or transducer head loading/unloading movement
JPS63317939A (ja) * 1987-06-22 1988-12-26 Asahi Chem Ind Co Ltd 光情報記録媒体
JPS6479950A (en) * 1987-09-21 1989-03-24 Matsushita Electric Ind Co Ltd Optical recording medium and its production
JPH0198140A (ja) * 1987-10-09 1989-04-17 Matsushita Electric Ind Co Ltd 光カード
JPH01179288A (ja) * 1987-12-29 1989-07-17 Matsushita Electric Ind Co Ltd 光ディスク

Also Published As

Publication number Publication date
EP0437223B1 (de) 1996-04-03
US5134604A (en) 1992-07-28
DE69118409T2 (de) 1996-08-14
EP0437223A2 (de) 1991-07-17
EP0437223A3 (en) 1992-06-10
JP2514261B2 (ja) 1996-07-10
JPH03209642A (ja) 1991-09-12

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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