DE69424837T2 - Löschbare optische aufzeichnungsträger - Google Patents

Löschbare optische aufzeichnungsträger

Info

Publication number
DE69424837T2
DE69424837T2 DE69424837T DE69424837T DE69424837T2 DE 69424837 T2 DE69424837 T2 DE 69424837T2 DE 69424837 T DE69424837 T DE 69424837T DE 69424837 T DE69424837 T DE 69424837T DE 69424837 T2 DE69424837 T2 DE 69424837T2
Authority
DE
Germany
Prior art keywords
deletable
optical record
record carriers
carriers
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 - Lifetime
Application number
DE69424837T
Other languages
English (en)
Other versions
DE69424837D1 (de
Inventor
B Parkinson
Elfriede Parkinson
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.)
Qiang Technologies LLC
Original Assignee
Samsung Electronics 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of DE69424837D1 publication Critical patent/DE69424837D1/de
Application granted granted Critical
Publication of DE69424837T2 publication Critical patent/DE69424837T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/244Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
    • G11B7/245Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing a polymeric component
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045Recording
    • G11B7/00452Recording involving bubble or bump forming
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0055Erasing
    • G11B7/00557Erasing involving phase-change media
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/244Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/146Laser beam
DE69424837T 1993-03-29 1994-02-18 Löschbare optische aufzeichnungsträger Expired - Lifetime DE69424837T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/038,246 US5392272A (en) 1993-03-29 1993-03-29 Single erasable optical recording layer having both retention and expansion characteristics
PCT/KR1994/000011 WO1994023430A1 (en) 1993-03-29 1994-02-18 Erasable optical media

Publications (2)

Publication Number Publication Date
DE69424837D1 DE69424837D1 (de) 2000-07-13
DE69424837T2 true DE69424837T2 (de) 2000-11-02

Family

ID=21898844

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69424837T Expired - Lifetime DE69424837T2 (de) 1993-03-29 1994-02-18 Löschbare optische aufzeichnungsträger

Country Status (7)

Country Link
US (1) US5392272A (de)
EP (1) EP0642692B1 (de)
JP (1) JPH07507898A (de)
KR (1) KR100234244B1 (de)
CA (1) CA2129232A1 (de)
DE (1) DE69424837T2 (de)
WO (1) WO1994023430A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6627842B1 (en) * 1998-08-14 2003-09-30 The Penn State Research Foundation Micro-protrusion arrays fabricated by e-beam exposure
US6873560B2 (en) * 2002-09-23 2005-03-29 Paul D. Pavlichek Optical memory device
US20070020560A1 (en) * 2005-05-27 2007-01-25 Larson Lief C Limited play optical discs
US20090075015A1 (en) * 2007-07-24 2009-03-19 Detty Michael R Limited Play Optical Discs

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5331106A (en) * 1976-09-03 1978-03-24 Hitachi Ltd Information recording member
US4264986A (en) * 1979-03-12 1981-04-28 Willis Craig I Information-recording process & apparatus
FR2475270A1 (fr) * 1980-02-01 1981-08-07 Thomson Csf Structure de memoire reversible, a inscription thermo-optique et lecture optique, et procede d'inscription et d'effacement de cette structure
US4852075A (en) * 1983-08-22 1989-07-25 Optical Data, Inc. Erasable optical data storage medium and method and apparatus for recording data on the medium
US4719615A (en) * 1983-08-22 1988-01-12 Optical Data, Inc. Erasable optical data storage medium
US4651172A (en) * 1984-11-29 1987-03-17 Hitachi, Ltd. Information recording medium
US4950520A (en) * 1985-12-27 1990-08-21 Pioneer Electronic Corporation Optical recording medium and method manufacturing thereof
US4901304A (en) * 1986-10-08 1990-02-13 Optical Data, Inc. Erasable optical data storage medium having a zoned integral recording layer
US4825430A (en) * 1986-12-19 1989-04-25 Optical Data, Inc. Erasable optical data storage medium having an embedded servo track and a subsurface recording interface
JPS63187430A (ja) * 1987-01-30 1988-08-03 Toshiba Corp 情報記録媒体
US4977064A (en) * 1987-05-01 1990-12-11 Mitsui Toatsu Chemicals, Incorporated Optical recording medium and process for fabricating the same
DE3885937T2 (de) * 1987-05-30 1994-06-01 Kuraray Co Medium für optische Aufzeichnung und das Medium verwendendes Aufzeichnungsverfahren.
JPS6488936A (en) * 1987-09-29 1989-04-03 Dainippon Ink & Chemicals Optical recording medium
US4896314A (en) * 1988-04-19 1990-01-23 Optical Data, Inc. Bump-forming media including thin intermediate reflective layer and methods for writing, reading, and erasing same
NL8801327A (nl) * 1988-05-24 1989-12-18 Philips Nv Methode voor het optisch aftasten van een informatievlak en optische registratiedragers en aftastinrichtingen geschikt voor toepassing van de methode.
JP2525647B2 (ja) * 1988-07-19 1996-08-21 富士写真フイルム株式会社 光記録媒体
US4978578A (en) * 1988-07-27 1990-12-18 Daicel Chemical Industries, Ltd. Optical disk of polycarbonate
JPH02189738A (ja) * 1989-01-18 1990-07-25 Ricoh Co Ltd 光記録媒体
JPH0827983B2 (ja) * 1989-05-02 1996-03-21 太陽誘電株式会社 光情報記録媒体
US5079758A (en) * 1989-09-28 1992-01-07 Tandy Corporation Single polymer layer recordable/erasable optical media
US5118541A (en) * 1989-06-19 1992-06-02 Matsushita Electric Industrial Co., Ltd. Erasable optical disk media and method of recording/erasing the same
WO1991005343A1 (en) * 1989-09-28 1991-04-18 Tandy Corporation Single retention/reflective layer recordable/erasable optical media
US4975358A (en) * 1989-10-17 1990-12-04 The United States Of America As Represented By The Secretary Of The Navy Immediate write, read, and erase optical storage medium and method of marking and erasing

Also Published As

Publication number Publication date
DE69424837D1 (de) 2000-07-13
WO1994023430A1 (en) 1994-10-13
EP0642692A1 (de) 1995-03-15
US5392272A (en) 1995-02-21
KR950701758A (ko) 1995-04-28
EP0642692B1 (de) 2000-06-07
CA2129232A1 (en) 1994-09-30
JPH07507898A (ja) 1995-08-31
KR100234244B1 (ko) 1999-12-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: QIANG TECHNOLOGIES,LLC, WILMINGTON, DEL., US