JPS6253886A - 情報記録媒体 - Google Patents

情報記録媒体

Info

Publication number
JPS6253886A
JPS6253886A JP60290692A JP29069285A JPS6253886A JP S6253886 A JPS6253886 A JP S6253886A JP 60290692 A JP60290692 A JP 60290692A JP 29069285 A JP29069285 A JP 29069285A JP S6253886 A JPS6253886 A JP S6253886A
Authority
JP
Japan
Prior art keywords
thickness
film
ratio
recording
change
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.)
Granted
Application number
JP60290692A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0380635B2 (en]
Inventor
Isao Morimoto
勲 森本
Kazumi Itagaki
一美 板垣
Koichi Mori
晃一 森
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 true JPS6253886A (ja) 1987-03-09
JPH0380635B2 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])

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62152786A (ja) * 1985-12-27 1987-07-07 Hitachi Ltd 相変化記録媒体
JPS62209742A (ja) * 1986-03-11 1987-09-14 Matsushita Electric Ind Co Ltd 書換え可能な光学情報記録部材
JPS6432438A (en) * 1987-07-28 1989-02-02 Nippon Columbia Optical information recording medium
JPS6462466A (en) * 1987-09-03 1989-03-08 Matsushita Electric Ind Co Ltd Sputtering target for forming information recording thin film and production thereof
WO1991005342A1 (en) * 1989-09-28 1991-04-18 Matsushita Electric Industrial Co., Ltd. Optical data recording medium and method of producing the same
JPH0845074A (ja) * 1986-09-22 1996-02-16 Matsushita Electric Ind Co Ltd 光学的可逆記録方法
US5580632A (en) * 1993-09-22 1996-12-03 Kabushiki Kaisha Toshiba Information recording medium
US6149999A (en) * 1996-02-28 2000-11-21 Asahi Kasei Kogyo Kabushiki Kaisha Method of designing a phase-change optical recording medium, and a phase-change optical recording medium
US6335069B1 (en) 1997-02-28 2002-01-01 Asahi Kasei Kabushiki Kaisha Phase-changeable optical recording medium, method of manufacturing the same, and method of recording information on the same
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
WO2004038502A1 (en) * 2002-10-23 2004-05-06 Samsung Electronics Co., Ltd. Pattern forming materials and pattern formation method using the materials
EP1426940A4 (en) * 2001-09-12 2006-10-25 Matsushita Electric Ind Co Ltd OPTICAL RECORDING MEDIUM AND CORRESPONDING RECORDING METHOD
EP2178086A2 (en) 1998-09-09 2010-04-21 Mitsubishi Kagaku Media Co., Ltd. Optical recording method

Citations (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
JPS5372506U (en]) * 1976-11-19 1978-06-17
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

Patent Citations (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
JPS5372506U (en]) * 1976-11-19 1978-06-17
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

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62152786A (ja) * 1985-12-27 1987-07-07 Hitachi Ltd 相変化記録媒体
JPS62209742A (ja) * 1986-03-11 1987-09-14 Matsushita Electric Ind Co Ltd 書換え可能な光学情報記録部材
JPH0845074A (ja) * 1986-09-22 1996-02-16 Matsushita Electric Ind Co Ltd 光学的可逆記録方法
JPS6432438A (en) * 1987-07-28 1989-02-02 Nippon Columbia Optical information recording medium
JPS6462466A (en) * 1987-09-03 1989-03-08 Matsushita Electric Ind Co Ltd Sputtering target for forming information recording thin film and production thereof
WO1991005342A1 (en) * 1989-09-28 1991-04-18 Matsushita Electric Industrial Co., Ltd. Optical data recording medium and method of producing the same
US5395735A (en) * 1989-09-28 1995-03-07 Matsushita Electric Industrial Co., Ltd. Optical information recording medium and method of manufacture
US5652037A (en) * 1993-09-22 1997-07-29 Kabushiki Kaisha Toshiba Information recording medium
US5580632A (en) * 1993-09-22 1996-12-03 Kabushiki Kaisha Toshiba Information recording medium
US6149999A (en) * 1996-02-28 2000-11-21 Asahi Kasei Kogyo Kabushiki Kaisha Method of designing a phase-change optical recording medium, and a phase-change optical recording medium
US6335069B1 (en) 1997-02-28 2002-01-01 Asahi Kasei Kabushiki Kaisha Phase-changeable optical recording medium, method of manufacturing the same, and method of recording information on the same
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
EP2178086A2 (en) 1998-09-09 2010-04-21 Mitsubishi Kagaku Media Co., Ltd. Optical recording method
EP1426940A4 (en) * 2001-09-12 2006-10-25 Matsushita Electric Ind Co Ltd OPTICAL RECORDING MEDIUM AND CORRESPONDING RECORDING METHOD
US7304930B2 (en) 2001-09-12 2007-12-04 Matsushita Electric Industrial Co., Ltd. Optical information recording medium and recording method using the same
WO2004038502A1 (en) * 2002-10-23 2004-05-06 Samsung Electronics Co., Ltd. Pattern forming materials and pattern formation method using the materials

Also Published As

Publication number Publication date
JPH0380635B2 (en]) 1991-12-25

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Legal Events

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EXPY Cancellation because of completion of term