TW409920U - Light recording media - Google Patents

Light recording media

Info

Publication number
TW409920U
TW409920U TW086202470U TW86202470U TW409920U TW 409920 U TW409920 U TW 409920U TW 086202470 U TW086202470 U TW 086202470U TW 86202470 U TW86202470 U TW 86202470U TW 409920 U TW409920 U TW 409920U
Authority
TW
Taiwan
Prior art keywords
recording media
light recording
light
media
recording
Prior art date
Application number
TW086202470U
Other languages
English (en)
Inventor
Gentaro Oobayashi
Toshihisa Nonaka
Kusato Hirota
Futoshi Okuyama
Kunihiss Nagino
Original Assignee
Toray Industries
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
Priority claimed from JP6055990A external-priority patent/JPH07262613A/ja
Application filed by Toray Industries filed Critical Toray Industries
Publication of TW409920U publication Critical patent/TW409920U/zh

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
    • G11B7/257—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 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
    • G11B7/2578—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 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 consisting essentially of inorganic materials
    • 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
    • G11B7/257—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 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
    • 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
    • G11B7/0045—Recording
    • G11B7/00454—Recording involving phase-change effects
    • 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
    • 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
    • G11B7/24—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
    • 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
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • 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
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24312—Metals or metalloids group 14 elements (e.g. Si, Ge, Sn)
    • 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
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24314—Metals or metalloids group 15 elements (e.g. Sb, Bi)
    • 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
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24316—Metals or metalloids group 16 elements (i.e. chalcogenides, Se, Te)
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/146—Laser beam

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
TW086202470U 1994-03-25 1995-05-23 Light recording media TW409920U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6055990A JPH07262613A (ja) 1994-03-25 1994-03-25 光記録媒体
JP9197294 1994-04-28

Publications (1)

Publication Number Publication Date
TW409920U true TW409920U (en) 2000-10-21

Family

ID=26396894

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086202470U TW409920U (en) 1994-03-25 1995-05-23 Light recording media

Country Status (5)

Country Link
US (1) US5840466A (zh)
EP (1) EP0706176A4 (zh)
KR (1) KR100364506B1 (zh)
TW (1) TW409920U (zh)
WO (1) WO1995026549A1 (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3525197B2 (ja) * 1996-02-27 2004-05-10 株式会社リコー 相変化型光記録媒体
KR19980064133A (ko) * 1996-12-16 1998-10-07 히라이가즈히꼬 광 기록 매체
DE19715806A1 (de) * 1997-04-16 1998-10-22 Leybold Materials Gmbh Verfahren zur Herstellung eines Sputtertargets auf der Basis von Zinksulfid sowie das Sputtertarget selbst
US6468619B1 (en) 1999-11-09 2002-10-22 Patrick Larroche Optical storage media having limited useful life
JP3725412B2 (ja) * 1999-11-19 2005-12-14 Ｔｄｋ株式会社 光記録媒体
JP2002319184A (ja) * 2001-04-20 2002-10-31 Tdk Corp 光記録媒体
KR20030024817A (ko) * 2001-06-01 2003-03-26 코닌클리케 필립스 일렉트로닉스 엔.브이. 재기록 가능한 광학 데이터 저장매체 및 이 저장매체의 용도
JP4248486B2 (ja) * 2004-12-15 2009-04-02 株式会社リコー 相変化型光記録媒体
CN101821806A (zh) * 2007-10-17 2010-09-01 Lg电子株式会社 记录介质及其制造方法
US8603648B2 (en) * 2010-02-01 2013-12-10 Kobe Steel, Ltd. Reflective film laminate

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6042095A (ja) * 1983-08-19 1985-03-06 Hitachi Ltd 情報の記録用部材およびその製造方法
JPS61131254A (ja) * 1984-11-29 1986-06-18 Hitachi Ltd 光情報記録媒体
US5346740A (en) * 1990-09-25 1994-09-13 Matsushita Electric Industrial Co., Ltd. Optical information recording medium
US5234737A (en) * 1991-01-28 1993-08-10 Fuji Xerox Co., Ltd. Phase change optical recording medium
JP2929779B2 (ja) * 1991-02-15 1999-08-03 トヨタ自動車株式会社 炭素被膜付撥水ガラス
EP0541376B1 (en) * 1991-11-07 1998-06-03 Toray Industries, Inc. Optical recording medium
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
JP2830557B2 (ja) * 1991-12-10 1998-12-02 日本電気株式会社 相変化型光ディスク
US5424106A (en) * 1992-04-17 1995-06-13 Matsushita Electric Industrial Co., Ltd. Optical information recording medium and method of designing its structure
JP2709887B2 (ja) * 1992-06-12 1998-02-04 ティーディーケイ株式会社 光記録媒体およびその製造方法
EP0594277B1 (en) * 1992-10-21 1998-12-02 Toray Industries, Inc. Optical recording medium
JPH06150375A (ja) * 1992-11-02 1994-05-31 Mitsubishi Kasei Corp 光学的記録用媒体およびこれを用いた記録再生方法
JPH06150368A (ja) * 1992-11-02 1994-05-31 Mitsubishi Kasei Corp ライトワンス型光記録媒体および情報記録方法
JP2812181B2 (ja) * 1993-06-17 1998-10-22 日本電気株式会社 光学的情報記録媒体

Also Published As

Publication number Publication date
EP0706176A4 (en) 1996-09-25
KR960700507A (ko) 1996-01-20
EP0706176A1 (en) 1996-04-10
KR100364506B1 (ko) 2003-02-19
WO1995026549A1 (fr) 1995-10-05
US5840466A (en) 1998-11-24

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Legal Events

Date Code Title Description
GD4K Issue of patent certificate for granted utility model filed before june 30, 2004
MM4K Annulment or lapse of a utility model due to non-payment of fees