DE69026762T2 - Optisches Speichermedium - Google Patents

Optisches Speichermedium

Info

Publication number
DE69026762T2
DE69026762T2 DE69026762T DE69026762T DE69026762T2 DE 69026762 T2 DE69026762 T2 DE 69026762T2 DE 69026762 T DE69026762 T DE 69026762T DE 69026762 T DE69026762 T DE 69026762T DE 69026762 T2 DE69026762 T2 DE 69026762T2
Authority
DE
Germany
Prior art keywords
storage medium
optical storage
optical
medium
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 - Fee Related
Application number
DE69026762T
Other languages
English (en)
Other versions
DE69026762D1 (de
Inventor
Hiroshi Kitamura
Fumio Tatezono
Daisuke Kishimoto
Minoru Kume
Kotaro Matsuura
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Publication of DE69026762D1 publication Critical patent/DE69026762D1/de
Application granted granted Critical
Publication of DE69026762T2 publication Critical patent/DE69026762T2/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
    • 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
    • G11B7/24015—Air-sandwiched discs
DE69026762T 1989-07-10 1990-07-09 Optisches Speichermedium Expired - Fee Related DE69026762T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1177462A JPH0341640A (ja) 1989-07-10 1989-07-10 光記録媒体

Publications (2)

Publication Number Publication Date
DE69026762D1 DE69026762D1 (de) 1996-06-05
DE69026762T2 true DE69026762T2 (de) 1996-09-05

Family

ID=16031358

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69026762T Expired - Fee Related DE69026762T2 (de) 1989-07-10 1990-07-09 Optisches Speichermedium

Country Status (3)

Country Link
EP (1) EP0408271B1 (de)
JP (1) JPH0341640A (de)
DE (1) DE69026762T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04106737A (ja) * 1990-08-28 1992-04-08 Toshiba Corp 情報記録媒体
FR2762707A1 (fr) * 1997-04-23 1998-10-30 Moulage Plastique De L Ouest S Disque optique auto-protege contre les rayonnements destructeurs
DE19744162A1 (de) * 1997-10-07 1999-04-08 Bayer Ag Optisches Speichermedium
EP1069556B1 (de) 1999-07-13 2006-11-02 Fuji Photo Film Co., Ltd. Medium für optische Aufzeichnung
US6944115B2 (en) * 2000-09-29 2005-09-13 General Electric Company Colored data storage media
US6475588B1 (en) 2001-08-07 2002-11-05 General Electric Company Colored digital versatile disks
US6475589B1 (en) 2001-12-17 2002-11-05 General Electric Company Colored optical discs and methods for making the same
US9393856B2 (en) 2014-04-09 2016-07-19 Daniel R. Ogilvie Vehicle window cover with deployable and retractable canopy

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58121153A (ja) * 1982-01-13 1983-07-19 Fujitsu Ltd 光学式情報媒体
JPS5973996A (ja) * 1982-10-22 1984-04-26 Nec Corp 光学記録用媒体
EP0143992A1 (de) * 1983-11-02 1985-06-12 Ricoh Company, Ltd Optisches Aufzeichnungsmedium von Informationen
JPS6099697A (ja) * 1983-11-07 1985-06-03 Ricoh Co Ltd 光学的記録媒体
JPS6145437A (ja) * 1984-08-08 1986-03-05 Hitachi Ltd 光学記録部材
US4636804A (en) * 1985-01-11 1987-01-13 Celanese Corporation Recording medium comprising a microporous polymer exhibiting enhanced signal to noise ratio
JPS61208647A (ja) * 1985-03-14 1986-09-17 Nippon Telegr & Teleph Corp <Ntt> 機密保持型光記録媒体
JPS6439647A (en) * 1987-08-05 1989-02-09 Sanyo Electric Co Optical recording disk

Also Published As

Publication number Publication date
EP0408271A2 (de) 1991-01-16
DE69026762D1 (de) 1996-06-05
EP0408271B1 (de) 1996-05-01
EP0408271A3 (en) 1991-11-13
JPH0341640A (ja) 1991-02-22

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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