DE69738285D1 - Optisches Speichermedium - Google Patents

Optisches Speichermedium

Info

Publication number
DE69738285D1
DE69738285D1 DE69738285T DE69738285T DE69738285D1 DE 69738285 D1 DE69738285 D1 DE 69738285D1 DE 69738285 T DE69738285 T DE 69738285T DE 69738285 T DE69738285 T DE 69738285T DE 69738285 D1 DE69738285 D1 DE 69738285D1
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
DE69738285T
Other languages
English (en)
Other versions
DE69738285T2 (de
Inventor
Mikio Kinoshita
Makoto Harigaya
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of DE69738285D1 publication Critical patent/DE69738285D1/de
Application granted granted Critical
Publication of DE69738285T2 publication Critical patent/DE69738285T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B7/252Record 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
    • G11B7/257Record 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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
    • 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
    • G11B7/243Record 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
    • 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
    • G11B7/243Record 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
    • G11B2007/24302Metals or metalloids
    • G11B2007/24304Metals or metalloids group 2 or 12 elements (e.g. Be, Ca, Mg, Zn, Cd)
    • 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
    • G11B7/243Record 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
    • G11B2007/24302Metals or metalloids
    • G11B2007/24308Metals or metalloids transition metal elements of group 11 (Cu, Ag, Au)
    • 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
    • G11B7/243Record 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
    • G11B2007/24302Metals or metalloids
    • G11B2007/2431Metals or metalloids group 13 elements (B, Al, Ga, In)
    • 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
    • G11B7/243Record 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
    • G11B2007/24302Metals or metalloids
    • G11B2007/24312Metals or metalloids group 14 elements (e.g. Si, Ge, Sn)
    • 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
    • G11B7/243Record 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
    • G11B2007/24302Metals or metalloids
    • G11B2007/24314Metals or metalloids group 15 elements (e.g. Sb, Bi)
    • 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
    • G11B7/243Record 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
    • G11B2007/24302Metals or metalloids
    • G11B2007/24316Metals or metalloids group 16 elements (i.e. chalcogenides, Se, Te)
    • 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
    • G11B7/243Record 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
    • G11B2007/24318Non-metallic elements
    • G11B2007/24322Nitrogen
    • 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
    • G11B7/006Overwriting
    • 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
    • G11B7/252Record 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
    • G11B7/258Record 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
    • 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
    • G11B7/252Record 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
    • G11B7/258Record 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
    • G11B7/2585Record 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 aluminium
    • 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
    • Y10S428/00Stock material or miscellaneous articles
    • Y10S428/913Material designed to be responsive to temperature, light, moisture
    • 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
    • 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
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/21Circular sheet or circular blank
    • 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
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31678Of metal
DE1997638285 1996-09-06 1997-03-26 Optisches Speichermedium Expired - Fee Related DE69738285T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP25785896 1996-09-06
JP25785896 1996-09-06
JP34193196 1996-12-20
JP34193196 1996-12-20

Publications (2)

Publication Number Publication Date
DE69738285D1 true DE69738285D1 (de) 2007-12-27
DE69738285T2 DE69738285T2 (de) 2008-02-28

Family

ID=26543431

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1997638285 Expired - Fee Related DE69738285T2 (de) 1996-09-06 1997-03-26 Optisches Speichermedium

Country Status (5)

Country Link
US (1) US5948496A (de)
EP (1) EP0828245B1 (de)
DE (1) DE69738285T2 (de)
ES (1) ES2296298T3 (de)
TW (1) TW337017B (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08249725A (ja) * 1995-03-08 1996-09-27 Ricoh Co Ltd 光情報記録媒体及びその製造に用いられる耐熱性保護層用材料
US6096398A (en) * 1997-11-28 2000-08-01 Ricoh Company, Ltd. Phase-change optical recording medium
US6177167B1 (en) * 1997-12-02 2001-01-23 Ricoh Company, Ltd. Optical information recording medium
JPH11232692A (ja) * 1998-02-10 1999-08-27 Sony Corp 光記録媒体及びその製造方法
US6544716B1 (en) * 1998-06-19 2003-04-08 Terastor Corporation Multilayer optical medium for near-field optical recording and reading
JP2000137928A (ja) * 1998-10-30 2000-05-16 Ricoh Co Ltd 光記録媒体および光記録方法
JP2000322740A (ja) 1999-05-12 2000-11-24 Ricoh Co Ltd 光記録媒体及びその記録方法
US6886177B2 (en) * 2000-08-14 2005-04-26 Ricoh Company, Ltd. Phase-change type optical information recording medium
JP2003034081A (ja) * 2000-09-14 2003-02-04 Ricoh Co Ltd 相変化型光情報記録媒体
DE60125993T2 (de) * 2000-09-28 2007-10-18 Ricoh Co., Ltd. Optisches Aufzeichnungsmedium, Verfahren zu dessen Herstellung und Verfahren und Vorrichtung zum Aufzeichnen auf oder Lesen von diesem Medium
US6770518B2 (en) * 2001-01-29 2004-08-03 Semiconductor Energy Laboratory Co., Ltd. Method for manufacturing a semiconductor device
SG114529A1 (en) * 2001-02-23 2005-09-28 Semiconductor Energy Lab Method of manufacturing a semiconductor device
SG114530A1 (en) 2001-02-28 2005-09-28 Semiconductor Energy Lab Method of manufacturing a semiconductor device
JP2002337152A (ja) * 2001-05-15 2002-11-27 Fujitsu Ltd 金型、金型の製造方法、記録媒体の製造方法、及び記録媒体の基板
JP2003305955A (ja) 2001-05-21 2003-10-28 Ricoh Co Ltd 光記録媒体及び記録方法
JP2003228834A (ja) * 2002-01-30 2003-08-15 Ricoh Co Ltd 情報記録方式及び光記録媒体
TWI254301B (en) * 2002-04-05 2006-05-01 Tdk Corp Optical recording medium and method for optically recording information in the same
CN1221962C (zh) * 2002-04-26 2005-10-05 Tdk股份有限公司 光记录介质和在其中对数据进行光记录的方法
CN1296921C (zh) * 2002-05-15 2007-01-24 松下电器产业株式会社 光头
US7231649B2 (en) * 2002-05-31 2007-06-12 Tdk Corporation Optical recording medium and method for optically recording data in the same
US20040038080A1 (en) * 2002-07-01 2004-02-26 Tdk Corporation Optical recording medium and method for recording data in the same
JP4092147B2 (ja) * 2002-07-04 2008-05-28 Tdk株式会社 光記録媒体及び光記録方法
JP4282285B2 (ja) * 2002-08-12 2009-06-17 Tdk株式会社 光記録媒体及び光記録方法
US20040076907A1 (en) * 2002-10-22 2004-04-22 Tdk Corporation Optical recording medium and method for manufacturing the same
US7781146B2 (en) * 2002-11-22 2010-08-24 Tdk Corporation Optical recording medium
US7932015B2 (en) 2003-01-08 2011-04-26 Tdk Corporation Optical recording medium
JP2005251265A (ja) * 2004-03-02 2005-09-15 Ricoh Co Ltd 相変化型光記録媒体
EP1575042B1 (de) * 2004-03-12 2007-11-28 Matsushita Electric Industrial Co., Ltd. Optisches Informationsaufzeichnungsmedium, Herstellungsverfahren, Aufzeichnungsverfahren und Aufzeichnungsvorrichtung dafür
KR101132266B1 (ko) * 2004-03-26 2012-04-02 가부시키가이샤 한도오따이 에네루기 켄큐쇼 반도체 장치의 제조 방법
KR100634667B1 (ko) * 2005-08-05 2006-10-13 엘지전자 주식회사 광기록매체
US8546898B2 (en) * 2009-10-29 2013-10-01 Hewlett-Packard Development Company, L.P. Optoelectronic light exposure memory

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JP2596901B2 (ja) * 1988-05-16 1997-04-02 日本コロムビア株式会社 光情報記録媒体
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JP2941848B2 (ja) * 1988-07-20 1999-08-30 株式会社リコー 光記録媒体
JPH0237466A (ja) * 1988-07-27 1990-02-07 Canon Inc 情報処理システム
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JPH02171325A (ja) * 1988-12-23 1990-07-03 Mazda Motor Corp 自動車のキャンバストップ制御装置
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JP2794467B2 (ja) * 1989-10-04 1998-09-03 同和鉱業株式会社 光ディスクおよびその製造法
US5156693A (en) * 1990-02-19 1992-10-20 Ricoh Company, Ltd. Information recording medium
JP3032585B2 (ja) * 1990-12-28 2000-04-17 株式会社リコー 情報記録媒体
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JPH0416383A (ja) * 1990-05-10 1992-01-21 Matsushita Electric Ind Co Ltd 光記録媒体及びその製造方法
JP2913759B2 (ja) * 1990-04-27 1999-06-28 松下電器産業株式会社 光記録媒体
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JP3010513B2 (ja) * 1991-11-22 2000-02-21 松下電器産業株式会社 光記録媒体とその製造方法
JPH05144082A (ja) * 1991-11-26 1993-06-11 Matsushita Electric Ind Co Ltd 光記録媒体と光記録媒体用保護膜
US5785828A (en) * 1994-12-13 1998-07-28 Ricoh Company, Ltd. Sputtering target for producing optical recording medium
JPH08287515A (ja) * 1995-02-13 1996-11-01 Matsushita Electric Ind Co Ltd 光学的情報記録媒体
JP3268157B2 (ja) * 1995-02-21 2002-03-25 ティーディーケイ株式会社 光記録媒体

Also Published As

Publication number Publication date
EP0828245B1 (de) 2007-11-14
DE69738285T2 (de) 2008-02-28
ES2296298T3 (es) 2008-04-16
EP0828245A3 (de) 2000-02-16
US5948496A (en) 1999-09-07
TW337017B (en) 1998-07-21
EP0828245A2 (de) 1998-03-11

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