JPH0422439B2 - - Google Patents

Info

Publication number
JPH0422439B2
JPH0422439B2 JP62307455A JP30745587A JPH0422439B2 JP H0422439 B2 JPH0422439 B2 JP H0422439B2 JP 62307455 A JP62307455 A JP 62307455A JP 30745587 A JP30745587 A JP 30745587A JP H0422439 B2 JPH0422439 B2 JP H0422439B2
Authority
JP
Japan
Prior art keywords
recording
layer
photochromic
layers
recording medium
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
JP62307455A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01148590A (ja
Inventor
Junichi Hibino
Eiji Ando
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.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
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 Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Priority to JP62307455A priority Critical patent/JPH01148590A/ja
Publication of JPH01148590A publication Critical patent/JPH01148590A/ja
Publication of JPH0422439B2 publication Critical patent/JPH0422439B2/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
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24035—Recording layers
    • G11B7/24038—Multiple laminated recording layers
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • G11B7/00455—Recording involving reflectivity, absorption or colour changes

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
JP62307455A 1987-12-07 1987-12-07 光学記録媒体 Granted JPH01148590A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62307455A JPH01148590A (ja) 1987-12-07 1987-12-07 光学記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62307455A JPH01148590A (ja) 1987-12-07 1987-12-07 光学記録媒体

Publications (2)

Publication Number Publication Date
JPH01148590A JPH01148590A (ja) 1989-06-09
JPH0422439B2 true JPH0422439B2 (cs) 1992-04-17

Family

ID=17969270

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62307455A Granted JPH01148590A (ja) 1987-12-07 1987-12-07 光学記録媒体

Country Status (1)

Country Link
JP (1) JPH01148590A (cs)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5079061A (en) * 1989-02-27 1992-01-07 Matsushita Electric Industrial Co., Ltd. Optical storage media
JPH03144938A (ja) * 1989-10-30 1991-06-20 Sharp Corp 光メモリ素子
JPH0798934B2 (ja) * 1990-10-05 1995-10-25 松下電器産業株式会社 フォトクロミック材料および光学記録媒体
JP2768567B2 (ja) * 1991-06-20 1998-06-25 シャープ株式会社 光記録媒体
JPH07199401A (ja) * 1993-12-10 1995-08-04 Minnesota Mining & Mfg Co <3M> カラー画像材料およびこれを用いるカラー画像形成方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61215542A (ja) * 1985-03-20 1986-09-25 Matsushita Electric Ind Co Ltd 光記録媒体
JPS61229242A (ja) * 1985-04-04 1986-10-13 Ricoh Co Ltd 光学的情報記録再生方法
JPS61239988A (ja) * 1985-04-16 1986-10-25 Canon Inc 記録媒体
JPS61277492A (ja) * 1985-06-03 1986-12-08 Ricoh Co Ltd 光情報記録媒体
JPS62147455A (ja) * 1985-12-20 1987-07-01 Matsushita Electric Ind Co Ltd 光学記録媒体
JPS62147456A (ja) * 1985-12-20 1987-07-01 Matsushita Electric Ind Co Ltd 光学記録媒体

Also Published As

Publication number Publication date
JPH01148590A (ja) 1989-06-09

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term