JPS51135649A - Recording member - Google Patents

Recording member

Info

Publication number
JPS51135649A
JPS51135649A JP50060030A JP6003075A JPS51135649A JP S51135649 A JPS51135649 A JP S51135649A JP 50060030 A JP50060030 A JP 50060030A JP 6003075 A JP6003075 A JP 6003075A JP S51135649 A JPS51135649 A JP S51135649A
Authority
JP
Japan
Prior art keywords
recording member
layer
recording
resolution
improve
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
JP50060030A
Other languages
Japanese (ja)
Inventor
Masanao Kasai
Yoko Oikawa
Hiroshi Ito
Hiroshi Matsuno
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP50060030A priority Critical patent/JPS51135649A/en
Publication of JPS51135649A publication Critical patent/JPS51135649A/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

  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)

Abstract

PURPOSE:To improve the mechanical strength and resolution of a recording member having a bismuth layer as a laser recording layer.
JP50060030A 1975-05-20 1975-05-20 Recording member Pending JPS51135649A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50060030A JPS51135649A (en) 1975-05-20 1975-05-20 Recording member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50060030A JPS51135649A (en) 1975-05-20 1975-05-20 Recording member

Publications (1)

Publication Number Publication Date
JPS51135649A true JPS51135649A (en) 1976-11-24

Family

ID=13130252

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50060030A Pending JPS51135649A (en) 1975-05-20 1975-05-20 Recording member

Country Status (1)

Country Link
JP (1) JPS51135649A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5621892A (en) * 1979-08-01 1981-02-28 Toshiba Corp Optical recorder and its manufacturing method
JPS5692096A (en) * 1979-12-26 1981-07-25 Fujitsu Ltd Optical recording medium
JPS5746337A (en) * 1980-07-21 1982-03-16 Drexler Tech Optical data memory and record medium with interchageable protection cover plate
JPS57150151A (en) * 1981-03-11 1982-09-16 Asahi Denka Kogyo Kk Optical disc with coated surface
JPS58199449A (en) * 1982-05-18 1983-11-19 Nec Corp Optical recording medium
JPS58224446A (en) * 1982-06-23 1983-12-26 Hitachi Ltd Recording parts
JPS6082386A (en) * 1983-10-12 1985-05-10 Fuji Photo Film Co Ltd Laser recording material
JPS61142542A (en) * 1985-10-21 1986-06-30 Canon Inc recoding media
WO1990000299A1 (en) * 1988-07-01 1990-01-11 Sony Corporation Optical recording medium and a method of producing the same
US5364735A (en) * 1988-07-01 1994-11-15 Sony Corporation Multiple layer optical record medium with protective layers and method for producing same

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4830437A (en) * 1971-08-23 1973-04-21
JPS4959215A (en) * 1972-10-11 1974-06-08
JPS4990568A (en) * 1972-12-27 1974-08-29
JPS502459A (en) * 1973-05-08 1975-01-11

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4830437A (en) * 1971-08-23 1973-04-21
JPS4959215A (en) * 1972-10-11 1974-06-08
JPS4990568A (en) * 1972-12-27 1974-08-29
JPS502459A (en) * 1973-05-08 1975-01-11

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5621892A (en) * 1979-08-01 1981-02-28 Toshiba Corp Optical recorder and its manufacturing method
JPS5692096A (en) * 1979-12-26 1981-07-25 Fujitsu Ltd Optical recording medium
JPS5746337A (en) * 1980-07-21 1982-03-16 Drexler Tech Optical data memory and record medium with interchageable protection cover plate
JPS57150151A (en) * 1981-03-11 1982-09-16 Asahi Denka Kogyo Kk Optical disc with coated surface
JPS58199449A (en) * 1982-05-18 1983-11-19 Nec Corp Optical recording medium
JPS58224446A (en) * 1982-06-23 1983-12-26 Hitachi Ltd Recording parts
JPS6082386A (en) * 1983-10-12 1985-05-10 Fuji Photo Film Co Ltd Laser recording material
JPS61142542A (en) * 1985-10-21 1986-06-30 Canon Inc recoding media
WO1990000299A1 (en) * 1988-07-01 1990-01-11 Sony Corporation Optical recording medium and a method of producing the same
US5364735A (en) * 1988-07-01 1994-11-15 Sony Corporation Multiple layer optical record medium with protective layers and method for producing same

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