JPS6153090A - 光デイスク - Google Patents

光デイスク

Info

Publication number
JPS6153090A
JPS6153090A JP59176276A JP17627684A JPS6153090A JP S6153090 A JPS6153090 A JP S6153090A JP 59176276 A JP59176276 A JP 59176276A JP 17627684 A JP17627684 A JP 17627684A JP S6153090 A JPS6153090 A JP S6153090A
Authority
JP
Japan
Prior art keywords
film
recording
optical
semiconductor
thin film
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
JP59176276A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0558910B2 (OSRAM
Inventor
Takashi Takaoka
高岡　隆
Kiyoshi Tsuboi
浄 坪井
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.)
Toshiba Corp
Toshiba Intelligent Technology Co Ltd
Original Assignee
Toshiba Corp
Toshiba Automation Equipment Engineering 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 Toshiba Corp, Toshiba Automation Equipment Engineering Ltd filed Critical Toshiba Corp
Priority to JP59176276A priority Critical patent/JPS6153090A/ja
Priority to KR1019850005874A priority patent/KR890004230B1/ko
Priority to EP85305854A priority patent/EP0173523B1/en
Priority to DE8585305854T priority patent/DE3580429D1/de
Publication of JPS6153090A publication Critical patent/JPS6153090A/ja
Priority to US07/339,656 priority patent/US4969141A/en
Publication of JPH0558910B2 publication Critical patent/JPH0558910B2/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
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
JP59176276A 1984-08-24 1984-08-24 光デイスク Granted JPS6153090A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP59176276A JPS6153090A (ja) 1984-08-24 1984-08-24 光デイスク
KR1019850005874A KR890004230B1 (ko) 1984-08-24 1985-08-14 광(光) 디스크 메모리
EP85305854A EP0173523B1 (en) 1984-08-24 1985-08-16 Optical memory
DE8585305854T DE3580429D1 (de) 1984-08-24 1985-08-16 Optischer speicher.
US07/339,656 US4969141A (en) 1984-08-24 1989-04-18 Optical memory for storing and retrieving information by light exposure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59176276A JPS6153090A (ja) 1984-08-24 1984-08-24 光デイスク

Publications (2)

Publication Number Publication Date
JPS6153090A true JPS6153090A (ja) 1986-03-15
JPH0558910B2 JPH0558910B2 (OSRAM) 1993-08-27

Family

ID=16010743

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59176276A Granted JPS6153090A (ja) 1984-08-24 1984-08-24 光デイスク

Country Status (1)

Country Link
JP (1) JPS6153090A (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63227389A (ja) * 1987-03-18 1988-09-21 Toray Ind Inc 光記録媒体
JPS63237990A (ja) * 1987-03-27 1988-10-04 Toray Ind Inc 光記録媒体

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63227389A (ja) * 1987-03-18 1988-09-21 Toray Ind Inc 光記録媒体
JPS63237990A (ja) * 1987-03-27 1988-10-04 Toray Ind Inc 光記録媒体

Also Published As

Publication number Publication date
JPH0558910B2 (OSRAM) 1993-08-27

Similar Documents

Publication Publication Date Title
US4969141A (en) Optical memory for storing and retrieving information by light exposure
EP0278790B1 (en) Recording elements comprising write-once thin film alloy layers
US4860274A (en) Information storage medium and method of erasing information
US20040105182A1 (en) Optical information recording medium
US6660451B1 (en) Optical information recording medium
CA1138109A (en) Recording member
JP2834131B2 (ja) 情報記録用薄膜
JPS6153090A (ja) 光デイスク
JP2003016687A (ja) 情報記録媒体およびその製造方法ならびにそれを用いた記録再生方法
JPH04226785A (ja) 光情報記録媒体および情報の記録再生方法
JPH0375940B2 (OSRAM)
JPS6288152A (ja) 光学情報記録部材
JPS63244422A (ja) 情報記録媒体
JPH04226784A (ja) 光情報記録媒体および情報の記録再生方法
JPH0526668B2 (OSRAM)
JP2002117577A (ja) 光記録媒体および光学的情報記録方法
JPS62226438A (ja) 光記録媒体
JPS63155437A (ja) 情報記録媒体
JPH03125343A (ja) 光学情報記録媒体
JPS6310342A (ja) 光記録媒体
JP2002123977A (ja) 追記型光学記録媒体
JPH0530192B2 (OSRAM)
JPS62202342A (ja) 光記録媒体
JPH01112538A (ja) 光学式情報記録媒体
JPS61168145A (ja) 光記録媒体