JPS60239947A - 光学的情報記憶媒体 - Google Patents

光学的情報記憶媒体

Info

Publication number
JPS60239947A
JPS60239947A JP59095602A JP9560284A JPS60239947A JP S60239947 A JPS60239947 A JP S60239947A JP 59095602 A JP59095602 A JP 59095602A JP 9560284 A JP9560284 A JP 9560284A JP S60239947 A JPS60239947 A JP S60239947A
Authority
JP
Japan
Prior art keywords
film
dye
information storage
storage medium
reflectance
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
JP59095602A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0568016B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Michiharu Abe
通治 安倍
Masaaki Umehara
正彬 梅原
Tsutomu Sato
勉 佐藤
Hideaki Oba
大庭　秀章
Yutaka Ueda
裕 上田
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 true JPS60239947A (ja) 1985-11-28
JPH0568016B2 JPH0568016B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (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
JPH02232832A (ja) * 1989-03-07 1990-09-14 Fuji Photo Film Co Ltd 情報記録媒体
JPH0312834A (ja) * 1989-06-12 1991-01-21 Fuji Photo Film Co Ltd 情報記録媒体
US5155723A (en) * 1988-07-30 1992-10-13 Yuden Co., Ltd. Taiyo Optical information recording method and medium
US5216665A (en) * 1988-12-28 1993-06-01 Canon Kabushiki Kaisha Information recording medium

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5484702A (en) * 1976-03-19 1979-07-05 Rca Corp Information record
JPS5597033A (en) * 1979-01-15 1980-07-23 Philips Nv Optical recording element and method of recording optical information
JPS57501980A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1980-12-18 1982-11-04
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
JPS59210546A (ja) * 1983-05-09 1984-11-29 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン 光記録キャリヤ
JPS6050641A (ja) * 1983-08-30 1985-03-20 Tdk Corp 光記録媒体

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5484702A (en) * 1976-03-19 1979-07-05 Rca Corp Information record
JPS5597033A (en) * 1979-01-15 1980-07-23 Philips Nv Optical recording element and method of recording optical information
JPS57501980A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1980-12-18 1982-11-04
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
JPS59210546A (ja) * 1983-05-09 1984-11-29 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン 光記録キャリヤ
JPS6050641A (ja) * 1983-08-30 1985-03-20 Tdk Corp 光記録媒体

Cited By (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
US5216665A (en) * 1988-12-28 1993-06-01 Canon Kabushiki Kaisha Information recording medium
JPH02232832A (ja) * 1989-03-07 1990-09-14 Fuji Photo Film Co Ltd 情報記録媒体
JPH0312834A (ja) * 1989-06-12 1991-01-21 Fuji Photo Film Co Ltd 情報記録媒体

Also Published As

Publication number Publication date
JPH0568016B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-09-28

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