JPH0380635B2 - - Google Patents

Info

Publication number
JPH0380635B2
JPH0380635B2 JP60290692A JP29069285A JPH0380635B2 JP H0380635 B2 JPH0380635 B2 JP H0380635B2 JP 60290692 A JP60290692 A JP 60290692A JP 29069285 A JP29069285 A JP 29069285A JP H0380635 B2 JPH0380635 B2 JP H0380635B2
Authority
JP
Japan
Prior art keywords
point
change
recording
ratio
film
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
JP60290692A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6253886A (ja
Inventor
Isao Morimoto
Kazumi Itagaki
Koichi Mori
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.)
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry 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 Asahi Chemical Industry Co Ltd filed Critical Asahi Chemical Industry Co Ltd
Priority to DE8686301275T priority Critical patent/DE3671122D1/de
Priority to CA000502376A priority patent/CA1236693A/en
Priority to EP19860301275 priority patent/EP0195532B1/en
Priority to US06/831,577 priority patent/US4670345A/en
Publication of JPS6253886A publication Critical patent/JPS6253886A/ja
Priority to JP2329491A priority patent/JPH0694230B2/ja
Priority to JP2329490A priority patent/JPH0725208B2/ja
Publication of JPH0380635B2 publication Critical patent/JPH0380635B2/ja
Granted 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
    • 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
    • G11B7/241—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)
    • 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
    • G11B7/24—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
    • G11B7/266—Sputtering or spin-coating layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Physical Vapour Deposition (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
JP60290692A 1984-12-26 1985-12-25 情報記録媒体 Granted JPS6253886A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE8686301275T DE3671122D1 (de) 1985-02-22 1986-02-21 Informationsaufzeichnungsmedium.
CA000502376A CA1236693A (en) 1985-02-22 1986-02-21 Information recording medium
EP19860301275 EP0195532B1 (en) 1985-02-22 1986-02-21 An information recording medium
US06/831,577 US4670345A (en) 1985-02-22 1986-02-21 Information recording medium
JP2329491A JPH0694230B2 (ja) 1985-12-25 1990-11-30 情報記録用材料
JP2329490A JPH0725208B2 (ja) 1985-12-25 1990-11-30 情報記録用媒体

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP28058684 1984-12-26
JP59-280586 1984-12-26
JP60-33779 1985-02-22
JP60-100876 1985-05-13

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP2329491A Division JPH0694230B2 (ja) 1985-12-25 1990-11-30 情報記録用材料
JP2329490A Division JPH0725208B2 (ja) 1985-12-25 1990-11-30 情報記録用媒体

Publications (2)

Publication Number Publication Date
JPS6253886A JPS6253886A (ja) 1987-03-09
JPH0380635B2 true JPH0380635B2 (en]) 1991-12-25

Family

ID=17627095

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60290692A Granted JPS6253886A (ja) 1984-12-26 1985-12-25 情報記録媒体

Country Status (1)

Country Link
JP (1) JPS6253886A (en])

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2584741B2 (ja) * 1986-03-11 1997-02-26 松下電器産業株式会社 書換え可能な光学情報記録部材
JP2585520B2 (ja) * 1985-12-27 1997-02-26 株式会社日立製作所 相変化記録媒体
JPH0832482B2 (ja) * 1986-09-22 1996-03-29 松下電器産業株式会社 光学的情報記録媒体
JPS6432438A (en) * 1987-07-28 1989-02-02 Nippon Columbia Optical information recording medium
JP2769153B2 (ja) * 1987-09-03 1998-06-25 松下電器産業株式会社 情報記録薄膜形成用スパッタリングターゲット
WO1991005342A1 (en) * 1989-09-28 1991-04-18 Matsushita Electric Industrial Co., Ltd. Optical data recording medium and method of producing the same
JPH07141693A (ja) * 1993-09-22 1995-06-02 Toshiba Corp 情報記録媒体
TW336317B (en) * 1996-02-28 1998-07-11 Asahi Chemical Ind Design method of phase change type recording medium and the phase change optical recording medium
CN1188847C (zh) 1997-02-28 2005-02-09 旭化成株式会社 相变型光记录介质及其制造方法和记录方法
US6699637B2 (en) 1997-04-16 2004-03-02 Asahi Kasei Kabushiki Kaisha Process for producing optical information recording medium and optical information recording medium produced by the process
DE69943213D1 (de) 1998-09-09 2011-04-07 Mitsubishi Kagaku Media Co Ltd Optisches aufzeichnungsmedium und optisches aufzeichnungsverfahren
EP1426940B1 (en) * 2001-09-12 2008-05-14 Matsushita Electric Industrial Co., Ltd. Optical information recording medium and recording method using it
JP4221455B2 (ja) * 2002-10-23 2009-02-12 三星電子株式会社 パターン形成材料およびパターン形成方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5042841A (en]) * 1973-08-20 1975-04-18
JPS52115202A (en) * 1976-03-24 1977-09-27 Hitachi Ltd Recording member for information
JPS52130304A (en) * 1976-04-26 1977-11-01 Hitachi Ltd Information recording material
JPS604278Y2 (ja) * 1976-11-19 1985-02-06 ティーディーケイ株式会社 光メモリ装置の記録媒体
JPS58161161A (ja) * 1982-03-19 1983-09-24 Hitachi Ltd 記録用部材
JPS5912612U (ja) * 1982-07-15 1984-01-26 小柳工業株式会社 生コンクリ−ト製造貯槽ホツパ−のゲ−トラバ−
JPS6189889A (ja) * 1984-10-11 1986-05-08 Nippon Columbia Co Ltd 光情報記録媒体
JPS61152487A (ja) * 1984-12-25 1986-07-11 Nippon Columbia Co Ltd 光情報記録媒体

Also Published As

Publication number Publication date
JPS6253886A (ja) 1987-03-09

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term