JPS52134405A - Photo-recorder - Google Patents

Photo-recorder

Info

Publication number
JPS52134405A
JPS52134405A JP4994276A JP4994276A JPS52134405A JP S52134405 A JPS52134405 A JP S52134405A JP 4994276 A JP4994276 A JP 4994276A JP 4994276 A JP4994276 A JP 4994276A JP S52134405 A JPS52134405 A JP S52134405A
Authority
JP
Japan
Prior art keywords
recorder
photo
electrode
substrate
film
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
JP4994276A
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 JP4994276A priority Critical patent/JPS52134405A/en
Publication of JPS52134405A publication Critical patent/JPS52134405A/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

Abstract

PURPOSE:To provide a high SN ratio, by forming an electrode between a substrate and a film that stores information by means of a recession formed on it.
JP4994276A 1976-05-04 1976-05-04 Photo-recorder Pending JPS52134405A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4994276A JPS52134405A (en) 1976-05-04 1976-05-04 Photo-recorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4994276A JPS52134405A (en) 1976-05-04 1976-05-04 Photo-recorder

Publications (1)

Publication Number Publication Date
JPS52134405A true JPS52134405A (en) 1977-11-10

Family

ID=12845064

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4994276A Pending JPS52134405A (en) 1976-05-04 1976-05-04 Photo-recorder

Country Status (1)

Country Link
JP (1) JPS52134405A (en)

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