JPS52108803A - Information recording element - Google Patents

Information recording element

Info

Publication number
JPS52108803A
JPS52108803A JP2515276A JP2515276A JPS52108803A JP S52108803 A JPS52108803 A JP S52108803A JP 2515276 A JP2515276 A JP 2515276A JP 2515276 A JP2515276 A JP 2515276A JP S52108803 A JPS52108803 A JP S52108803A
Authority
JP
Japan
Prior art keywords
information recording
recording element
fhin
recess
substrate
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
JP2515276A
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 JP2515276A priority Critical patent/JPS52108803A/en
Publication of JPS52108803A publication Critical patent/JPS52108803A/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)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)

Abstract

PURPOSE:To improve the recording characteristics of a system, in which a recess is formed by a laser beam in a thin film formed on a substrate, by making the fhin film of a preset material.
JP2515276A 1976-03-10 1976-03-10 Information recording element Pending JPS52108803A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2515276A JPS52108803A (en) 1976-03-10 1976-03-10 Information recording element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2515276A JPS52108803A (en) 1976-03-10 1976-03-10 Information recording element

Publications (1)

Publication Number Publication Date
JPS52108803A true JPS52108803A (en) 1977-09-12

Family

ID=12158027

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2515276A Pending JPS52108803A (en) 1976-03-10 1976-03-10 Information recording element

Country Status (1)

Country Link
JP (1) JPS52108803A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5794945A (en) * 1980-10-16 1982-06-12 Philips Nv Optical information disk
JPS58158225A (en) * 1982-03-15 1983-09-20 Toshiba Corp Manufacture of information recording substrate
JPS61287058A (en) * 1985-06-10 1986-12-17 エナ−ジ−・コンバ−シヨン・デバイセス・インコ−ポレ−テツド Optical data memory device and making thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5794945A (en) * 1980-10-16 1982-06-12 Philips Nv Optical information disk
JPH0440785B2 (en) * 1980-10-16 1992-07-06 Fuiritsupusu Furuuiranpenfuaburiken Nv
JPS58158225A (en) * 1982-03-15 1983-09-20 Toshiba Corp Manufacture of information recording substrate
JPS6241451B2 (en) * 1982-03-15 1987-09-03 Tokyo Shibaura Electric Co
JPS61287058A (en) * 1985-06-10 1986-12-17 エナ−ジ−・コンバ−シヨン・デバイセス・インコ−ポレ−テツド Optical data memory device and making thereof

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