JPS5331104A - Information recording member - Google Patents

Information recording member

Info

Publication number
JPS5331104A
JPS5331104A JP10485176A JP10485176A JPS5331104A JP S5331104 A JPS5331104 A JP S5331104A JP 10485176 A JP10485176 A JP 10485176A JP 10485176 A JP10485176 A JP 10485176A JP S5331104 A JPS5331104 A JP S5331104A
Authority
JP
Japan
Prior art keywords
information recording
recording member
recording layer
crystallization
laser light
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
JP10485176A
Other languages
Japanese (ja)
Inventor
Motoyasu Terao
Seiji Yonezawa
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10485176A priority Critical patent/JPS5331104A/en
Publication of JPS5331104A publication Critical patent/JPS5331104A/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
    • 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)
  • Optical Record Carriers And Manufacture Thereof (AREA)

Abstract

PURPOSE:In a high density picture information recording member like an optical video disc by laser light, the crystallization of the main recording layer in particular is provided by providing a specific sub-recording layer.
JP10485176A 1976-09-03 1976-09-03 Information recording member Pending JPS5331104A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10485176A JPS5331104A (en) 1976-09-03 1976-09-03 Information recording member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10485176A JPS5331104A (en) 1976-09-03 1976-09-03 Information recording member

Publications (1)

Publication Number Publication Date
JPS5331104A true JPS5331104A (en) 1978-03-24

Family

ID=14391790

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10485176A Pending JPS5331104A (en) 1976-09-03 1976-09-03 Information recording member

Country Status (1)

Country Link
JP (1) JPS5331104A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55132536A (en) * 1979-04-02 1980-10-15 Philips Nv Optical recorder for information
JPS5671834A (en) * 1979-11-16 1981-06-15 Shindengen Electric Mfg Co Ltd Information recording disc
JPS59185048A (en) * 1983-04-01 1984-10-20 Matsushita Electric Ind Co Ltd Member for recording optical information and its recording method
US4839207A (en) * 1987-01-09 1989-06-13 Mitsubishi Chemical Industries Limited Optical recording medium and process for producing the same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55132536A (en) * 1979-04-02 1980-10-15 Philips Nv Optical recorder for information
JPS5671834A (en) * 1979-11-16 1981-06-15 Shindengen Electric Mfg Co Ltd Information recording disc
JPS59185048A (en) * 1983-04-01 1984-10-20 Matsushita Electric Ind Co Ltd Member for recording optical information and its recording method
JPH0548197B2 (en) * 1983-04-01 1993-07-20 Matsushita Electric Ind Co Ltd
US4839207A (en) * 1987-01-09 1989-06-13 Mitsubishi Chemical Industries Limited Optical recording medium and process for producing the same

Similar Documents

Publication Publication Date Title
JPS5331106A (en) Information recording member
JPS5266405A (en) Optical recording system of information recording discs
JPS51151150A (en) Optical record reproducing reproducer in signal
JPS5280802A (en) Optical type information recording and reproduction apparatus
JPS53117402A (en) Video disc
JPS5331104A (en) Information recording member
JPS5331105A (en) Information recording member
DE3482147D1 (en) OPTICAL THIN FILM RECORDING MEDIUM WITH HIGH CONTRAST.
JPS536516A (en) Optical recording and reproducing unit
JPS5348504A (en) Optical recorder/reproducer
JPS53100203A (en) Optical reproducer
JPS5348704A (en) Optical signal regenerator
JPS5347804A (en) Optical reproducer
JPS5250702A (en) Optical information recording and reproduction apparatus
JPS547305A (en) Optical recorder-reproducer
JPS5315105A (en) Spacing detector of optical recorder/reproducer
JPS52119952A (en) Signal recorder using acousto/optic light modulator
JPS5337001A (en) Information recorder
JPS5237007A (en) Optical recording reproducing equipment
JPS5348703A (en) Optical signal regenerator
JPS53110805A (en) Optical information recording/reproducing device
JPS5234750A (en) Laser recorder
JPS5362502A (en) Optical recording-reproducing apparatus
JPS5328404A (en) Optical information re producer
JPS52132806A (en) Information recording member