DE68915630T2 - Medium für optische Scheiben. - Google Patents

Medium für optische Scheiben.

Info

Publication number
DE68915630T2
DE68915630T2 DE68915630T DE68915630T DE68915630T2 DE 68915630 T2 DE68915630 T2 DE 68915630T2 DE 68915630 T DE68915630 T DE 68915630T DE 68915630 T DE68915630 T DE 68915630T DE 68915630 T2 DE68915630 T2 DE 68915630T2
Authority
DE
Germany
Prior art keywords
medium
optical discs
discs
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 - Fee Related
Application number
DE68915630T
Other languages
English (en)
Other versions
DE68915630D1 (de
Inventor
Yasuyuki Goto
Nagaaki Koshino
Kenichi Utsumi
Iwao Tsugawa
Masahiro Nakada
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE68915630D1 publication Critical patent/DE68915630D1/de
Application granted granted Critical
Publication of DE68915630T2 publication Critical patent/DE68915630T2/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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record 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
    • G11B7/243—Record 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 inorganic materials only, e.g. ablative layers
    • G11B7/2433—Metals or elements of groups 13, 14, 15 or 16 of the Periodic System, e.g. B, Si, Ge, As, Sb, Bi, Se or Te
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0055—Erasing
    • G11B7/00557—Erasing involving phase-change media
DE68915630T 1988-07-22 1989-07-20 Medium für optische Scheiben. Expired - Fee Related DE68915630T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63181699A JP2538647B2 (ja) 1988-07-22 1988-07-22 光ディスク媒体

Publications (2)

Publication Number Publication Date
DE68915630D1 DE68915630D1 (de) 1994-07-07
DE68915630T2 true DE68915630T2 (de) 1994-09-15

Family

ID=16105316

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68915630T Expired - Fee Related DE68915630T2 (de) 1988-07-22 1989-07-20 Medium für optische Scheiben.

Country Status (7)

Country Link
US (1) US5144618A (de)
EP (1) EP0352105B1 (de)
JP (1) JP2538647B2 (de)
KR (1) KR930008455B1 (de)
CN (1) CN1014750B (de)
AU (1) AU608991B2 (de)
DE (1) DE68915630T2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0827979B2 (ja) * 1988-09-24 1996-03-21 太陽誘電株式会社 光情報記録媒体
JPH02113453A (ja) * 1988-10-24 1990-04-25 Hitachi Ltd 光ディスク
JP2804130B2 (ja) * 1989-12-06 1998-09-24 株式会社日立製作所 情報処理装置
JPH03201228A (ja) * 1989-12-27 1991-09-03 Victor Co Of Japan Ltd 光記録媒体
JP2750018B2 (ja) * 1990-07-13 1998-05-13 インターナショナル・ビジネス・マシーンズ・コーポレイション 光学記録媒体及び光学データ記録ディスクドライブシステム
EP0549024B1 (de) * 1991-12-12 1997-11-19 Koninklijke Philips Electronics N.V. Optischer Informationsträger
US5419937A (en) * 1991-12-12 1995-05-30 U.S. Philips Corporation Optical record carrier
JP3080739B2 (ja) * 1991-12-20 2000-08-28 日本電気株式会社 光学的情報記録媒体および光学的情報記録消去再生方法
SG52438A1 (en) * 1993-02-18 1998-09-28 Philips Electronics Nv Optical information carrier
EP0613128A1 (de) * 1993-02-18 1994-08-31 Koninklijke Philips Electronics N.V. Optischer Informationsträger
BE1006921A3 (nl) * 1993-03-16 1995-01-24 Koninkl Philips Electronics Nv Inrichting voor het schrijven van informatie.
JP2850754B2 (ja) * 1994-05-20 1999-01-27 日本電気株式会社 相変化型光ディスク
EP0787225B1 (de) * 1994-10-13 2000-02-09 Catachem, Inc. Verfahren zum minimieren des lösungsmittelabbaus und korrosion in aminlösungsmittelbehandlungssystemen
JP2785763B2 (ja) * 1995-09-27 1998-08-13 日本電気株式会社 相変化光ディスク
US5809006A (en) * 1996-05-31 1998-09-15 Cagent Technologies, Inc. Optical disk with copy protection, and apparatus and method for recording and reproducing same
WO1998038636A1 (fr) * 1997-02-28 1998-09-03 Asahi Kasei Kogyo Kabushiki Kaisha Support d'enregistrement optique a modification de phase, procede de fabrication dudit support et procede d'enregistrement d'informations sur ledit support
FR2787619B1 (fr) * 1998-12-22 2001-08-17 Commissariat Energie Atomique Support d'enregistrement optique et procede de realisation de ce support
TWI246681B (en) * 2000-12-15 2006-01-01 Koninkl Philips Electronics Nv Optical information medium and its use
JP2004017394A (ja) 2002-06-14 2004-01-22 Tdk Corp 光記録媒体
CN101120407A (zh) * 2004-12-13 2008-02-06 皇家飞利浦电子股份有限公司 利用单独的参考光束层的光学存储介质
KR20110113646A (ko) * 2009-01-30 2011-10-17 브라이엄 영 유니버시티 금속 및 금속 산화 다크 레이어 구조를 포함하는 광데이터 저장매체
US11744296B2 (en) 2015-12-10 2023-09-05 R. J. Reynolds Tobacco Company Smoking article

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4216501A (en) * 1977-03-28 1980-08-05 Rca Corporation Optical anti-reflective information record
US4329697A (en) * 1977-03-28 1982-05-11 Rca Corporation Information record
JPS57111839A (en) * 1980-05-14 1982-07-12 Rca Corp Reversible information recording body and method of reversibly recording and erasing information to said recording body
DE3118058A1 (de) * 1980-05-14 1982-03-11 RCA Corp., 10020 New York, N.Y. Aufzeichnungstraeger und verfahren zum schreiben einer informationsspur sowie zum loeschen einer in dem traeger gespeicherten information
JPS6111952A (ja) * 1984-06-27 1986-01-20 Nec Corp 光磁気記録媒体
JPS61260921A (ja) * 1985-05-15 1986-11-19 Mitsubishi Electric Corp 放電加工用電源
US4782477A (en) * 1985-09-30 1988-11-01 Kabushiki Kaisha Toshiba Optical recording medium with fluorine resin adhesive
JPS62183042A (ja) * 1986-02-06 1987-08-11 Toshiba Corp 情報記録再生方法
US4803660A (en) * 1986-02-28 1989-02-07 Kabushiki Kaisha Toshiba Optical recording medium
JPS62237181A (ja) * 1986-04-05 1987-10-17 Seibu Electric & Mach Co Ltd 電動アクチユエ−タ用操作ユニツト
JPS62251286A (ja) * 1986-04-24 1987-11-02 ヤマハ発動機株式会社 自動二輪車等の車両用警音装置
US4839883A (en) * 1986-06-30 1989-06-13 Matsushita Electric Ind. Co., Ltd. Optical information recording medium
US4797871A (en) * 1986-09-15 1989-01-10 Eastman Kodak Company Erasable optical recording method
JPH01294239A (ja) * 1988-05-20 1989-11-28 Mitsui Petrochem Ind Ltd 光記録媒体
JP2512087B2 (ja) * 1988-06-24 1996-07-03 株式会社日立製作所 光記録媒体および光記録方法

Also Published As

Publication number Publication date
CN1014750B (zh) 1991-11-13
EP0352105B1 (de) 1994-06-01
EP0352105A3 (en) 1990-11-28
DE68915630D1 (de) 1994-07-07
KR930008455B1 (ko) 1993-09-04
EP0352105A2 (de) 1990-01-24
US5144618A (en) 1992-09-01
KR910003601A (ko) 1991-02-27
AU608991B2 (en) 1991-04-18
JPH0233738A (ja) 1990-02-02
AU3810689A (en) 1990-02-15
JP2538647B2 (ja) 1996-09-25
CN1041469A (zh) 1990-04-18

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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