JPS545446A - Information recording medium - Google Patents

Information recording medium

Info

Publication number
JPS545446A
JPS545446A JP7069077A JP7069077A JPS545446A JP S545446 A JPS545446 A JP S545446A JP 7069077 A JP7069077 A JP 7069077A JP 7069077 A JP7069077 A JP 7069077A JP S545446 A JPS545446 A JP S545446A
Authority
JP
Japan
Prior art keywords
recording medium
information recording
thin layer
metal thin
imparing
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
JP7069077A
Other languages
Japanese (ja)
Inventor
Kunihiko Nakagawa
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP7069077A priority Critical patent/JPS545446A/en
Publication of JPS545446A publication Critical patent/JPS545446A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242Record 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
    • G11B7/243Record 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

Abstract

PURPOSE:To provide desired mechanical and optical characteristics in combination without imparing the bit forming characteristics by laser beams by properly combining metals applied for the first metal thin layer and second metal thin layer deposited on a flate plate form substate.
JP7069077A 1977-06-14 1977-06-14 Information recording medium Pending JPS545446A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7069077A JPS545446A (en) 1977-06-14 1977-06-14 Information recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7069077A JPS545446A (en) 1977-06-14 1977-06-14 Information recording medium

Publications (1)

Publication Number Publication Date
JPS545446A true JPS545446A (en) 1979-01-16

Family

ID=13438879

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7069077A Pending JPS545446A (en) 1977-06-14 1977-06-14 Information recording medium

Country Status (1)

Country Link
JP (1) JPS545446A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56155940A (en) * 1980-05-06 1981-12-02 Nippon Telegr & Teleph Corp <Ntt> Optically recording medium
JPS5722095A (en) * 1980-07-15 1982-02-04 Nec Corp Laser beam recording material
JPS57189894A (en) * 1981-05-20 1982-11-22 Fuji Photo Film Co Ltd Thermal recording material

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56155940A (en) * 1980-05-06 1981-12-02 Nippon Telegr & Teleph Corp <Ntt> Optically recording medium
JPH0416355B2 (en) * 1980-05-06 1992-03-23 Nippon Telegraph & Telephone
JPS5722095A (en) * 1980-07-15 1982-02-04 Nec Corp Laser beam recording material
JPH04838B2 (en) * 1980-07-15 1992-01-08 Nippon Electric Co
JPS57189894A (en) * 1981-05-20 1982-11-22 Fuji Photo Film Co Ltd Thermal recording material
JPH0151357B2 (en) * 1981-05-20 1989-11-02 Fuji Photo Film Co Ltd

Similar Documents

Publication Publication Date Title
JPS5342028A (en) Laser beam recording method
JPS5383617A (en) Recording material
JPS5346019A (en) Recoading medium
JPS5296549A (en) Transfer medium
JPS56134321A (en) Magnetic recording medium
JPS545446A (en) Information recording medium
AU510203B2 (en) Combining laser beams
JPS52143838A (en) Recording method by laser beam
JPS53125001A (en) Member for recording of information
JPS52110634A (en) Information recording material
JPS52115202A (en) Recording member for information
JPS5331105A (en) Information recording member
JPS52135613A (en) Information recording media
JPS53117428A (en) Recording method for information signal
JPS5331104A (en) Information recording member
JPS5348704A (en) Optical signal regenerator
JPS52139410A (en) Thin film magnetic head and preparation thereof
JPS5295215A (en) Information recording material
JPS5299804A (en) Production of orginal disc for information recording medium
JPS5413316A (en) Method for recording information signals in original of grooveless information recording medium disc
JPS5414706A (en) Information recording disc
JPS5292520A (en) Materials for recording
JPS52108803A (en) Information recording element
JPS5388530A (en) Information recording medium
JPS5367406A (en) Magnetic recording medium and its production