DE3482856D1 - Optisches informationsspeichermedium. - Google Patents

Optisches informationsspeichermedium.

Info

Publication number
DE3482856D1
DE3482856D1 DE8484106066T DE3482856T DE3482856D1 DE 3482856 D1 DE3482856 D1 DE 3482856D1 DE 8484106066 T DE8484106066 T DE 8484106066T DE 3482856 T DE3482856 T DE 3482856T DE 3482856 D1 DE3482856 D1 DE 3482856D1
Authority
DE
Germany
Prior art keywords
storage medium
information storage
optical information
optical
medium
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
DE8484106066T
Other languages
English (en)
Inventor
Stefano Thomas Herman Di
Robert Sadofsky
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3482856D1 publication Critical patent/DE3482856D1/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
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/32—Maintaining desired spacing between record carrier and head, e.g. by fluid-dynamic spacing
    • 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
    • G11B23/033—Containers for flat record carriers for flexible discs
    • 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
DE8484106066T 1983-06-30 1984-05-28 Optisches informationsspeichermedium. Expired - Fee Related DE3482856D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/509,741 US4613966A (en) 1983-06-30 1983-06-30 Sealed encapsulation for floppy disk using centrifugal force to flatten disk

Publications (1)

Publication Number Publication Date
DE3482856D1 true DE3482856D1 (de) 1990-09-06

Family

ID=24027909

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484106066T Expired - Fee Related DE3482856D1 (de) 1983-06-30 1984-05-28 Optisches informationsspeichermedium.

Country Status (4)

Country Link
US (1) US4613966A (de)
EP (1) EP0130364B1 (de)
JP (1) JPS6015877A (de)
DE (1) DE3482856D1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0233783A (ja) * 1988-07-22 1990-02-02 Nippon Telegr & Teleph Corp <Ntt> フレキシブルディスクカートリッジ
JPH02126463A (ja) * 1988-11-04 1990-05-15 Toshiba Corp 磁気ディスク装置
US5077726A (en) * 1989-04-05 1991-12-31 Bernoulli Optical Systems Company Optical disc cartridge with a flexible storage medium
AU624532B2 (en) * 1989-09-27 1992-06-11 Hitachi Limited Information processor and disk memory used in the same
US5475656A (en) * 1989-09-27 1995-12-12 Hitachi, Ltd. Optical disk memory and information processing apparatus
US5274612A (en) * 1989-09-27 1993-12-28 Hitachi, Ltd. Information processor and disk memory used in the same
JP2651056B2 (ja) * 1991-04-19 1997-09-10 シャープ株式会社 フレキシブル光ディスクカートリッジ
US5741627A (en) * 1996-05-15 1998-04-21 Del Mar Avionics Optical recording medium and method for eliminating berm buildup
US6684938B2 (en) * 1999-01-20 2004-02-03 Hino Motors, Ltd. EGR cooler
US6584067B2 (en) * 2000-03-03 2003-06-24 Tosoh Corporation Optical recording medium having a recording/reproducing area with a shaped region
US6570840B1 (en) * 2000-04-26 2003-05-27 Optical Disc Corporation Figure of merit in optical recording structures
WO2010078470A2 (en) * 2008-12-31 2010-07-08 Brigham Young University Optical data storage media containing an encapsulated data layer

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2275843A1 (fr) * 1974-06-21 1976-01-16 Thomson Brandt Dispositif de protection permanente d'un disque souple d'enregistrement compatible avec une lecture optique
US4038663A (en) * 1975-09-23 1977-07-26 U.S. Philips Corporation Method of writing information with a modulated radiation beam onto an information storage medium and information storage medium particularly adapted to the method
US4074282A (en) * 1976-05-13 1978-02-14 North American Philips Corporation Radiation-sensitive record with protected sensitive surface
JPS54106204A (en) * 1978-02-07 1979-08-21 Matsushita Electric Ind Co Ltd Information recording disc of transparent type
US4159494A (en) * 1978-06-08 1979-06-26 International Business Machines Corporation Flexible disk in reversible cartridge
FR2477750A1 (fr) * 1980-03-07 1981-09-11 Thomson Csf Cassette pour disque optique
US4334302A (en) * 1980-06-02 1982-06-08 Peppers James M Flexible recording disc stabilizing and guidance system
US4331966A (en) * 1980-10-06 1982-05-25 Storage Technology Corporation Information storage device and method of forming same
JPS5798137A (en) * 1980-12-11 1982-06-18 Yoshiro Nakamatsu Externally hard and internally flexible disk system
US4365258A (en) * 1981-05-18 1982-12-21 Eastman Kodak Company Optical disc unit, fabrication method and cooperating write and/or read apparatus
JPS58177396A (ja) * 1982-04-13 1983-10-18 Tdk Corp 光記録媒体
GB2121227A (en) * 1982-05-11 1983-12-14 Nigel Geoffrey Ley Optical memory recording disc
FR2528216B1 (fr) * 1982-06-08 1988-01-08 Thomson Csf Disque optique protege a porte-couche libre

Also Published As

Publication number Publication date
EP0130364B1 (de) 1990-08-01
JPH0370864B2 (de) 1991-11-11
JPS6015877A (ja) 1985-01-26
EP0130364A3 (en) 1987-09-09
US4613966A (en) 1986-09-23
EP0130364A2 (de) 1985-01-09

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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