JPS52130304A - Information recording material - Google Patents

Information recording material

Info

Publication number
JPS52130304A
JPS52130304A JP4658376A JP4658376A JPS52130304A JP S52130304 A JPS52130304 A JP S52130304A JP 4658376 A JP4658376 A JP 4658376A JP 4658376 A JP4658376 A JP 4658376A JP S52130304 A JPS52130304 A JP S52130304A
Authority
JP
Japan
Prior art keywords
information recording
recording material
composing
damaged
wound
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
JP4658376A
Other languages
Japanese (ja)
Inventor
Motoyasu Terao
Seiji Yonezawa
Yoshitoshi Ito
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 JP4658376A priority Critical patent/JPS52130304A/en
Publication of JPS52130304A publication Critical patent/JPS52130304A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)

Abstract

PURPOSE:To manufacture an information recording material for which such energy as laser beam will be applied for composing minute cavity that wound not be damaged of its circular outline, by composing a thin film on the base board as the film contains mixture of specific two kinds of chemical elements.
JP4658376A 1976-04-26 1976-04-26 Information recording material Pending JPS52130304A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4658376A JPS52130304A (en) 1976-04-26 1976-04-26 Information recording material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4658376A JPS52130304A (en) 1976-04-26 1976-04-26 Information recording material

Publications (1)

Publication Number Publication Date
JPS52130304A true JPS52130304A (en) 1977-11-01

Family

ID=12751311

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4658376A Pending JPS52130304A (en) 1976-04-26 1976-04-26 Information recording material

Country Status (1)

Country Link
JP (1) JPS52130304A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5874392A (en) * 1981-10-30 1983-05-04 Ulvac Corp Optical recording medium
JPS59185048A (en) * 1983-04-01 1984-10-20 Matsushita Electric Ind Co Ltd Member for recording optical information and its recording method
JPS6253886A (en) * 1984-12-26 1987-03-09 Asahi Chem Ind Co Ltd Information-recording medium

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5874392A (en) * 1981-10-30 1983-05-04 Ulvac Corp Optical recording medium
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
JPS6253886A (en) * 1984-12-26 1987-03-09 Asahi Chem Ind Co Ltd Information-recording medium
JPH0380635B2 (en) * 1984-12-26 1991-12-25 Asahi Chemical Ind

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