JPS5361303A - Formation method of protecting layer of recording member - Google Patents

Formation method of protecting layer of recording member

Info

Publication number
JPS5361303A
JPS5361303A JP13630776A JP13630776A JPS5361303A JP S5361303 A JPS5361303 A JP S5361303A JP 13630776 A JP13630776 A JP 13630776A JP 13630776 A JP13630776 A JP 13630776A JP S5361303 A JPS5361303 A JP S5361303A
Authority
JP
Japan
Prior art keywords
recording member
formation method
protecting layer
disorder
high molecular
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
JP13630776A
Other languages
Japanese (ja)
Inventor
Tadao Kaneko
Motoo Akagi
Motoyasu Terao
Keizo Kato
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 JP13630776A priority Critical patent/JPS5361303A/en
Publication of JPS5361303A publication Critical patent/JPS5361303A/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

Landscapes

  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Manufacturing Optical Record Carriers (AREA)

Abstract

PURPOSE:To flatten surface and prevent the disorder of the shape of fine recording points by providing a protecting film composed of an organic high molecular material by a spin coating method on an information recording member formed with recessed parts through working beam radiation.
JP13630776A 1976-11-15 1976-11-15 Formation method of protecting layer of recording member Pending JPS5361303A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13630776A JPS5361303A (en) 1976-11-15 1976-11-15 Formation method of protecting layer of recording member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13630776A JPS5361303A (en) 1976-11-15 1976-11-15 Formation method of protecting layer of recording member

Publications (1)

Publication Number Publication Date
JPS5361303A true JPS5361303A (en) 1978-06-01

Family

ID=15172126

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13630776A Pending JPS5361303A (en) 1976-11-15 1976-11-15 Formation method of protecting layer of recording member

Country Status (1)

Country Link
JP (1) JPS5361303A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983002845A1 (en) * 1982-02-05 1983-08-18 Inoue, Takao Optical recording/reproduction disc
JPS61246942A (en) * 1985-04-23 1986-11-04 Nippon Kogaku Kk <Nikon> Optical disk

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983002845A1 (en) * 1982-02-05 1983-08-18 Inoue, Takao Optical recording/reproduction disc
JPS61246942A (en) * 1985-04-23 1986-11-04 Nippon Kogaku Kk <Nikon> Optical disk
JPH0559495B2 (en) * 1985-04-23 1993-08-31 Nippon Kogaku Kk

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