DE69606435D1 - Zweischichtiges optisches medium mit einer teilreflektierenden goldlegierungschicht - Google Patents

Zweischichtiges optisches medium mit einer teilreflektierenden goldlegierungschicht

Info

Publication number
DE69606435D1
DE69606435D1 DE69606435T DE69606435T DE69606435D1 DE 69606435 D1 DE69606435 D1 DE 69606435D1 DE 69606435 T DE69606435 T DE 69606435T DE 69606435 T DE69606435 T DE 69606435T DE 69606435 D1 DE69606435 D1 DE 69606435D1
Authority
DE
Germany
Prior art keywords
optical medium
gold alloy
partly reflecting
double layer
alloy layer
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
DE69606435T
Other languages
English (en)
Other versions
DE69606435T2 (de
Inventor
M Florczak
B Hintz
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.)
GlassBridge Enterprises Inc
Original Assignee
Imation 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 Imation Corp filed Critical Imation Corp
Publication of DE69606435D1 publication Critical patent/DE69606435D1/de
Application granted granted Critical
Publication of DE69606435T2 publication Critical patent/DE69606435T2/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
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective 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
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
    • 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
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
    • G11B7/259—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers based on silver
    • 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
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
    • G11B7/2595—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers based on gold
DE69606435T 1995-12-19 1996-10-07 Zweischichtiges optisches medium mit einer teilreflektierenden goldlegierungschicht Expired - Fee Related DE69606435T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/574,680 US5640382A (en) 1995-12-19 1995-12-19 Dual layer optical medium having partially reflecting metal alloy layer
PCT/US1996/016046 WO1997022968A1 (en) 1995-12-19 1996-10-07 Dual layer optical medium having partially reflecting gold alloy layer

Publications (2)

Publication Number Publication Date
DE69606435D1 true DE69606435D1 (de) 2000-03-02
DE69606435T2 DE69606435T2 (de) 2000-09-14

Family

ID=24297169

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69606435T Expired - Fee Related DE69606435T2 (de) 1995-12-19 1996-10-07 Zweischichtiges optisches medium mit einer teilreflektierenden goldlegierungschicht

Country Status (7)

Country Link
US (1) US5640382A (de)
EP (1) EP0868720B1 (de)
JP (1) JP2000502482A (de)
KR (1) KR20000064459A (de)
AU (1) AU7258896A (de)
DE (1) DE69606435T2 (de)
WO (1) WO1997022968A1 (de)

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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
US6205112B1 (en) 1998-02-17 2001-03-20 Gateway, Inc. Multipurpose optical disc having different formats on opposing sides
JPH11296904A (ja) * 1998-04-03 1999-10-29 Toshiba Corp 情報記録媒体およびこれに用いられる樹脂基板の製造方法
US6905750B2 (en) * 1998-06-22 2005-06-14 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6007889A (en) 1998-06-22 1999-12-28 Target Technology, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6790503B2 (en) * 1998-06-22 2004-09-14 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6544616B2 (en) 2000-07-21 2003-04-08 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6764735B2 (en) 1998-06-22 2004-07-20 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US7384677B2 (en) * 1998-06-22 2008-06-10 Target Technology Company, Llc Metal alloys for the reflective or semi-reflective layer of an optical storage medium
US6451402B1 (en) 1998-06-22 2002-09-17 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US7314657B2 (en) * 2000-07-21 2008-01-01 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6852384B2 (en) 1998-06-22 2005-02-08 Han H. Nee Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US7045187B2 (en) * 1998-06-22 2006-05-16 Nee Han H Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
WO2000021079A2 (de) * 1998-10-02 2000-04-13 Unaxis Balzers Aktiengesellschaft Optische datenspeicherscheibe
US6351446B1 (en) 1998-10-02 2002-02-26 Unaxis Balzers Aktiengesellschaft Optical data storage disk
US6292457B1 (en) * 1999-03-31 2001-09-18 Eastman Kodak Company Recordable optical media with a silver-gold reflective layer
JP3725412B2 (ja) * 1999-11-19 2005-12-14 Ｔｄｋ株式会社 光記録媒体
US7374805B2 (en) * 2000-07-21 2008-05-20 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US7316837B2 (en) * 2000-07-21 2008-01-08 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US7314659B2 (en) * 2000-07-21 2008-01-01 Target Technology Company, Llc Metal alloys for the reflective or semi-reflective layer of an optical storage medium
US6944115B2 (en) * 2000-09-29 2005-09-13 General Electric Company Colored data storage media
JP2002170276A (ja) * 2000-12-01 2002-06-14 Pioneer Electronic Corp 光学式多層情報記録媒体
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
ATE327553T1 (de) * 2002-06-28 2006-06-15 Williams Advanced Materials In Korrosionsbeständige silbermetalllegierungen für optisches aufzeichnen und beschreibbare optische aufzeichnungsmedien welche diese legierung enthalten
US7572517B2 (en) * 2002-07-08 2009-08-11 Target Technology Company, Llc Reflective or semi-reflective metal alloy coatings
WO2004006228A2 (en) * 2002-07-08 2004-01-15 Academy Corporation Reflective or semi-reflective metal alloy coatings
US7889608B2 (en) * 2002-11-29 2011-02-15 Victor Company Of Japan, Ltd. Information-signal recording and reproducing apparatus, related method, and related computer program
JP2006523913A (ja) * 2003-04-18 2006-10-19 ターゲット・テクノロジー・カンパニー・エルエルシー 光蓄積媒体の反射層または半反射層のための合金
US20040268379A1 (en) * 2003-06-30 2004-12-30 Imation Corp. Storage media volumetric factor
JP3793770B2 (ja) * 2003-08-22 2006-07-05 株式会社リコー 媒体特性規定方法
TW200514070A (en) * 2003-09-03 2005-04-16 Williams Advanced Materials Inc Silver alloys for optical data storage and optical media containing same
US20070014963A1 (en) * 2005-07-12 2007-01-18 Nee Han H Metal alloys for the reflective layer of an optical storage medium
DE602007005226D1 (de) * 2006-01-18 2010-04-22 Mitsubishi Kagaku Media Co Ltd Optisches aufzeichnungsmedium
US7613869B2 (en) 2006-11-27 2009-11-03 Brigham Young University Long-term digital data storage
WO2009126166A1 (en) * 2008-04-11 2009-10-15 Hewlett-Packard Development Company, L.P. Optical data recording medium including a multi-layered markable coating

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US3946367A (en) * 1972-12-20 1976-03-23 Videonics Of Hawaii, Inc. Three dimensional electro-optical retrieval system
US4219704A (en) * 1974-10-21 1980-08-26 Eli S. Jacobs Record playback apparatus for optical data records
NL7803069A (nl) * 1978-03-22 1979-09-25 Philips Nv Meerlaags informatieschijf.
US4385372A (en) * 1981-05-01 1983-05-24 Drexler Technology Corporation Reflective optical data storage and laser recording media having grooved dielectric encoded prerecorded information
NL8204291A (nl) * 1982-11-05 1984-06-01 Philips Nv Optisch registratie-element.
US4735878A (en) * 1985-03-12 1988-04-05 Quixote Corporation Optically read recording medium and method for making same
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
JP2667164B2 (ja) * 1986-12-09 1997-10-27 大日本印刷株式会社 光記録媒体
JPS63102031U (de) * 1986-12-22 1988-07-02
JPH0823941B2 (ja) * 1988-11-08 1996-03-06 パイオニア株式会社 光学式情報記録担体及びその製造方法
US5171392A (en) * 1988-11-08 1992-12-15 Pioneer Electronic Corporation Method of producing an optical information record carrier
CA2017284C (en) * 1989-07-04 1995-10-03 Kazutomi Suzuki Optical recording medium
US5303225A (en) * 1989-10-30 1994-04-12 Matsushita Electrical Industrial Co., Ltd. Multi-layered optical disk with track and layer identification
JP2514261B2 (ja) * 1990-01-11 1996-07-10 松下電器産業株式会社 光情報媒体、その製造方法、及びそのカセットケ―ス
JP2788777B2 (ja) * 1990-03-02 1998-08-20 パイオニア株式会社 光ピックアップ
JPH04193586A (ja) * 1990-11-28 1992-07-13 Ricoh Co Ltd 光記録媒体
US5202875A (en) * 1991-06-04 1993-04-13 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
JPH056571A (ja) * 1991-06-28 1993-01-14 Pioneer Electron Corp 光学式情報記録媒体
US5251198A (en) * 1992-05-29 1993-10-05 Strickler James H Reading device for multi-layered optical information carrier
JPH06155921A (ja) * 1992-11-25 1994-06-03 Pioneer Electron Corp 光記録媒体
JPH06187662A (ja) * 1992-12-18 1994-07-08 Hitachi Ltd 光記録媒体
TW259865B (de) * 1993-12-15 1995-10-11 Ibm
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

Also Published As

Publication number Publication date
EP0868720A1 (de) 1998-10-07
EP0868720B1 (de) 2000-01-26
US5640382A (en) 1997-06-17
AU7258896A (en) 1997-07-14
KR20000064459A (ko) 2000-11-06
DE69606435T2 (de) 2000-09-14
JP2000502482A (ja) 2000-02-29
WO1997022968A1 (en) 1997-06-26

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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