JPH0568016B2 - - Google Patents

Info

Publication number
JPH0568016B2
JPH0568016B2 JP59095602A JP9560284A JPH0568016B2 JP H0568016 B2 JPH0568016 B2 JP H0568016B2 JP 59095602 A JP59095602 A JP 59095602A JP 9560284 A JP9560284 A JP 9560284A JP H0568016 B2 JPH0568016 B2 JP H0568016B2
Authority
JP
Japan
Prior art keywords
film
dye
present
storage medium
information storage
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 - Lifetime
Application number
JP59095602A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60239947A (ja
Inventor
Michiharu Abe
Masaaki Umehara
Tsutomu Sato
Hideaki Ooba
Yutaka Ueda
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP59095602A priority Critical patent/JPS60239947A/ja
Publication of JPS60239947A publication Critical patent/JPS60239947A/ja
Publication of JPH0568016B2 publication Critical patent/JPH0568016B2/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
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits
    • 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)
JP59095602A 1984-05-15 1984-05-15 光学的情報記憶媒体 Granted JPS60239947A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59095602A JPS60239947A (ja) 1984-05-15 1984-05-15 光学的情報記憶媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59095602A JPS60239947A (ja) 1984-05-15 1984-05-15 光学的情報記憶媒体

Publications (2)

Publication Number Publication Date
JPS60239947A JPS60239947A (ja) 1985-11-28
JPH0568016B2 true JPH0568016B2 (enrdf_load_stackoverflow) 1993-09-28

Family

ID=14142097

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59095602A Granted JPS60239947A (ja) 1984-05-15 1984-05-15 光学的情報記憶媒体

Country Status (1)

Country Link
JP (1) JPS60239947A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63276722A (ja) * 1987-05-08 1988-11-15 Toshiba Corp 光学的情報記録媒体
JPH022066A (ja) * 1988-06-15 1990-01-08 Ricoh Co Ltd 光情報記録媒体及び記録方法
US5155723A (en) * 1988-07-30 1992-10-13 Yuden Co., Ltd. Taiyo Optical information recording method and medium
EP0376678B1 (en) * 1988-12-28 1995-03-01 Canon Kabushiki Kaisha Information recording medium
JP2899008B2 (ja) * 1989-03-07 1999-06-02 富士写真フイルム株式会社 情報記録媒体
JP3141998B2 (ja) * 1989-06-12 2001-03-07 富士写真フイルム株式会社 情報記録媒体

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4097895A (en) * 1976-03-19 1978-06-27 Rca Corporation Multilayer optical record
NL7900281A (nl) * 1979-01-15 1980-07-17 Philips Nv Optische registratie-inrichting alsmede een werkwijze voor het registreren van informatie langs optische weg.
US4336545A (en) * 1980-12-18 1982-06-22 Eastman Kodak Company Optical disc structure, method and apparatus physically optimized for writing and reading with a single wavelength
JPS5924692A (ja) * 1982-07-30 1984-02-08 Tdk Corp 光記録媒体の製造方法
JPS59135640A (ja) * 1983-01-25 1984-08-03 Tdk Corp 光記録媒体
NL8301632A (nl) * 1983-05-09 1984-12-03 Philips Nv Registratiedrager waarin langs optische weg informatie kan worden ingeschreven en uitgelezen.
JPH0740377B2 (ja) * 1983-08-30 1995-05-01 ティーディーケイ株式会社 光記録媒体

Also Published As

Publication number Publication date
JPS60239947A (ja) 1985-11-28

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