JPS6451989A - Optical information recording medium - Google Patents

Optical information recording medium

Info

Publication number
JPS6451989A
JPS6451989A JP63124688A JP12468888A JPS6451989A JP S6451989 A JPS6451989 A JP S6451989A JP 63124688 A JP63124688 A JP 63124688A JP 12468888 A JP12468888 A JP 12468888A JP S6451989 A JPS6451989 A JP S6451989A
Authority
JP
Japan
Prior art keywords
atom
recording medium
optical information
information recording
tellurium
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.)
Pending
Application number
JP63124688A
Other languages
Japanese (ja)
Inventor
Toru Furukawa
Toshiharu Nakanishi
Gentaro Obayashi
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 Toray Industries Inc filed Critical Toray Industries Inc
Priority to JP63124688A priority Critical patent/JPS6451989A/en
Publication of JPS6451989A publication Critical patent/JPS6451989A/en
Pending 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
    • G11B7/242—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
    • G11B7/2433—Metals or elements of Groups 13, 14, 15 or 16 of the Periodic Table, e.g. B, Si, Ge, As, Sb, Bi, Se or 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
    • G11B7/24—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)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)

Abstract

PURPOSE:To obtain an optical information recording medium having a high and easily controllable transition temperature and a high C/N, being hardly oxidized and having long-time stability, by composing a thin recording film mainly four elements, i.e., tellurium (Te), germanium (Ge), antimony (Sb) and selenium (Se). CONSTITUTION:A thin recording film consists of mainly four elements, i.e., tellurium (Te), germanium (Ge), antimony (Sb) and selenium (Se), the composition being not particularly restricted. For an excellent effect to be more sufficiently displayed, it is preferable that the composition of the thin film satisfies the following composition formula: (Te 100-y Ge y)100-x(Sb 100-z Se z)x, with 3<=X<=35, 30<=Y<=60 and 15<=Z<=70, wherein X is the atom.% of (Sb, Se) based on (Te, Ge, Sb, Se), Y is on the atom.% of Ge based on (Te, Ge), and Z is the atom.% of Se based on (Sb, Se).
JP63124688A 1987-05-27 1988-05-20 Optical information recording medium Pending JPS6451989A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63124688A JPS6451989A (en) 1987-05-27 1988-05-20 Optical information recording medium

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12794087 1987-05-27
JP63124688A JPS6451989A (en) 1987-05-27 1988-05-20 Optical information recording medium

Publications (1)

Publication Number Publication Date
JPS6451989A true JPS6451989A (en) 1989-02-28

Family

ID=26461313

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63124688A Pending JPS6451989A (en) 1987-05-27 1988-05-20 Optical information recording medium

Country Status (1)

Country Link
JP (1) JPS6451989A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0751016A (en) * 1993-06-17 1995-02-28 Tokyo Gas Chem Kk Production of tofu
US5753413A (en) * 1995-03-20 1998-05-19 Hitachi, Ltd. Rewritable medium for recording information in which the atomic arrangement is changed without the shape being changed and the optical constant is changed
JP2009269224A (en) * 2008-05-01 2009-11-19 Sony Corp Optical recording medium and method of manufacturing the same, and target for sputtering and method of manufacturing the same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6273438A (en) * 1985-09-25 1987-04-04 Matsushita Electric Ind Co Ltd Optical information recording member

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6273438A (en) * 1985-09-25 1987-04-04 Matsushita Electric Ind Co Ltd Optical information recording member

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0751016A (en) * 1993-06-17 1995-02-28 Tokyo Gas Chem Kk Production of tofu
US5753413A (en) * 1995-03-20 1998-05-19 Hitachi, Ltd. Rewritable medium for recording information in which the atomic arrangement is changed without the shape being changed and the optical constant is changed
JP2009269224A (en) * 2008-05-01 2009-11-19 Sony Corp Optical recording medium and method of manufacturing the same, and target for sputtering and method of manufacturing the same
US8241834B2 (en) 2008-05-01 2012-08-14 Sony Corporation Optical recording medium and production method therefor, and sputtering target and production method therefor

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