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JPS52154605A - Information recording material - Google Patents

Information recording material

Info

Publication number
JPS52154605A
JPS52154605A JP7108976A JP7108976A JPS52154605A JP S52154605 A JPS52154605 A JP S52154605A JP 7108976 A JP7108976 A JP 7108976A JP 7108976 A JP7108976 A JP 7108976A JP S52154605 A JPS52154605 A JP S52154605A
Authority
JP
Japan
Prior art keywords
information recording
recording material
information
project
concave
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
JP7108976A
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 JP7108976A priority Critical patent/JPS52154605A/en
Publication of JPS52154605A publication Critical patent/JPS52154605A/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:To project an energy beam on a thin film containing Se and a specific element formed on the printed circuit board so that a concave may be generated on the beam-received portion and information be recorded appropriately.
JP7108976A 1976-06-18 1976-06-18 Information recording material Pending JPS52154605A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7108976A JPS52154605A (en) 1976-06-18 1976-06-18 Information recording material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7108976A JPS52154605A (en) 1976-06-18 1976-06-18 Information recording material

Publications (1)

Publication Number Publication Date
JPS52154605A true JPS52154605A (en) 1977-12-22

Family

ID=13450446

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7108976A Pending JPS52154605A (en) 1976-06-18 1976-06-18 Information recording material

Country Status (1)

Country Link
JP (1) JPS52154605A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS554793A (en) * 1978-05-24 1980-01-14 Philips Nv Information recording element and producing same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS554793A (en) * 1978-05-24 1980-01-14 Philips Nv Information recording element and producing same
JPS6129053B2 (en) * 1978-05-24 1986-07-04 Fuiritsupusu Furuuiranpenfuaburiken Nv

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