JPS634252B2 - - Google Patents

Info

Publication number
JPS634252B2
JPS634252B2 JP55149579A JP14957980A JPS634252B2 JP S634252 B2 JPS634252 B2 JP S634252B2 JP 55149579 A JP55149579 A JP 55149579A JP 14957980 A JP14957980 A JP 14957980A JP S634252 B2 JPS634252 B2 JP S634252B2
Authority
JP
Japan
Prior art keywords
holding frame
substrate
optical information
information recording
protrusion
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.)
Expired
Application number
JP55149579A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5774843A (en
Inventor
Kazuo Mori
Kuniaki Sakai
Takahiro Kubo
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 JP55149579A priority Critical patent/JPS5774843A/ja
Publication of JPS5774843A publication Critical patent/JPS5774843A/ja
Publication of JPS634252B2 publication Critical patent/JPS634252B2/ja
Granted 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

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
JP55149579A 1980-10-24 1980-10-24 Optical information recording disk and its recording device Granted JPS5774843A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55149579A JPS5774843A (en) 1980-10-24 1980-10-24 Optical information recording disk and its recording device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55149579A JPS5774843A (en) 1980-10-24 1980-10-24 Optical information recording disk and its recording device

Publications (2)

Publication Number Publication Date
JPS5774843A JPS5774843A (en) 1982-05-11
JPS634252B2 true JPS634252B2 (en]) 1988-01-28

Family

ID=15478275

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55149579A Granted JPS5774843A (en) 1980-10-24 1980-10-24 Optical information recording disk and its recording device

Country Status (1)

Country Link
JP (1) JPS5774843A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9046860B2 (en) 1995-03-27 2015-06-02 Canon Kabushiki Kaisha Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6235422U (en]) * 1985-08-08 1987-03-02

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49101001A (en]) * 1973-01-19 1974-09-25
JPS5211569A (en) * 1975-07-15 1977-01-28 Taisei Corp Dust capturing device
JPS5496002A (en) * 1978-01-13 1979-07-30 Hitachi Ltd Information recording plate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9046860B2 (en) 1995-03-27 2015-06-02 Canon Kabushiki Kaisha Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus

Also Published As

Publication number Publication date
JPS5774843A (en) 1982-05-11

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