JPS5996543A - 光メモリ−記録媒体 - Google Patents

光メモリ−記録媒体

Info

Publication number
JPS5996543A
JPS5996543A JP57205179A JP20517982A JPS5996543A JP S5996543 A JPS5996543 A JP S5996543A JP 57205179 A JP57205179 A JP 57205179A JP 20517982 A JP20517982 A JP 20517982A JP S5996543 A JPS5996543 A JP S5996543A
Authority
JP
Japan
Prior art keywords
recording medium
optical memory
track
laser light
tracking
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.)
Granted
Application number
JP57205179A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0462137B2 (enrdf_load_stackoverflow
Inventor
Hiroo Nomura
野村　浩朗
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP57205179A priority Critical patent/JPS5996543A/ja
Publication of JPS5996543A publication Critical patent/JPS5996543A/ja
Publication of JPH0462137B2 publication Critical patent/JPH0462137B2/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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0938—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following servo format, e.g. guide tracks, pilot signals
    • 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)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP57205179A 1982-11-22 1982-11-22 光メモリ−記録媒体 Granted JPS5996543A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57205179A JPS5996543A (ja) 1982-11-22 1982-11-22 光メモリ−記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57205179A JPS5996543A (ja) 1982-11-22 1982-11-22 光メモリ−記録媒体

Publications (2)

Publication Number Publication Date
JPS5996543A true JPS5996543A (ja) 1984-06-04
JPH0462137B2 JPH0462137B2 (enrdf_load_stackoverflow) 1992-10-05

Family

ID=16502723

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57205179A Granted JPS5996543A (ja) 1982-11-22 1982-11-22 光メモリ−記録媒体

Country Status (1)

Country Link
JP (1) JPS5996543A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61108589A (ja) * 1984-11-02 1986-05-27 Ricoh Co Ltd 光情報記録媒体
JPH01258243A (ja) * 1988-04-08 1989-10-16 Fujitsu Ltd 互換型書き換え可能光ディスク

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5979442A (ja) * 1982-10-28 1984-05-08 Ricoh Co Ltd 光記録媒体

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5979442A (ja) * 1982-10-28 1984-05-08 Ricoh Co Ltd 光記録媒体

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61108589A (ja) * 1984-11-02 1986-05-27 Ricoh Co Ltd 光情報記録媒体
JPH01258243A (ja) * 1988-04-08 1989-10-16 Fujitsu Ltd 互換型書き換え可能光ディスク

Also Published As

Publication number Publication date
JPH0462137B2 (enrdf_load_stackoverflow) 1992-10-05

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