JPH0477971B2 - - Google Patents

Info

Publication number
JPH0477971B2
JPH0477971B2 JP59048796A JP4879684A JPH0477971B2 JP H0477971 B2 JPH0477971 B2 JP H0477971B2 JP 59048796 A JP59048796 A JP 59048796A JP 4879684 A JP4879684 A JP 4879684A JP H0477971 B2 JPH0477971 B2 JP H0477971B2
Authority
JP
Japan
Prior art keywords
disk
optical memory
thin film
optical
substrate
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
JP59048796A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60193144A (ja
Inventor
Masaaki Nomura
Akira Nahara
Tatsuji Kitamoto
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film 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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to JP59048796A priority Critical patent/JPS60193144A/ja
Publication of JPS60193144A publication Critical patent/JPS60193144A/ja
Publication of JPH0477971B2 publication Critical patent/JPH0477971B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26Apparatus 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)
JP59048796A 1984-03-14 1984-03-14 光メモリデイスク Granted JPS60193144A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59048796A JPS60193144A (ja) 1984-03-14 1984-03-14 光メモリデイスク

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59048796A JPS60193144A (ja) 1984-03-14 1984-03-14 光メモリデイスク

Publications (2)

Publication Number Publication Date
JPS60193144A JPS60193144A (ja) 1985-10-01
JPH0477971B2 true JPH0477971B2 (enrdf_load_stackoverflow) 1992-12-09

Family

ID=12813187

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59048796A Granted JPS60193144A (ja) 1984-03-14 1984-03-14 光メモリデイスク

Country Status (1)

Country Link
JP (1) JPS60193144A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH061561B2 (ja) * 1985-08-21 1994-01-05 株式会社日立製作所 光デイスク
NL8702493A (nl) * 1986-10-31 1988-05-16 Seiko Epson Corp Optisch opnamemedium en werkwijze voor het vervaardigen daarvan.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5766538A (en) * 1980-10-08 1982-04-22 Toshiba Corp Information storage medium
JPS5963039A (ja) * 1982-09-30 1984-04-10 Toshiba Corp 情報記憶媒体
JPS6099697A (ja) * 1983-11-07 1985-06-03 Ricoh Co Ltd 光学的記録媒体

Also Published As

Publication number Publication date
JPS60193144A (ja) 1985-10-01

Similar Documents

Publication Publication Date Title
TW411456B (en) Optical recording medium, substrate for the same and stamper
JPH10302310A (ja) 光学記録媒体及び光学ディスク装置
JPH11195243A (ja) 多層光ディスク及び記録再生装置
US4583102A (en) Optical disc and method of manufacturing
JPH0963120A (ja) 光学記録媒体
JPS60145543A (ja) 光磁気デイスク
JPS60257291A (ja) 光学情報記録部材
JPH0477971B2 (enrdf_load_stackoverflow)
JPH0660423A (ja) 薄型光記録媒体
US6078558A (en) Optical recording medium having two superimposed recording levels and corresponding recording device and reading process
KR100309115B1 (ko) 광학 정보 기록 매체 및 그 제조방법
JP3399033B2 (ja) 光学的情報記録担体の製造方法
JPH01298545A (ja) 円盤型光情報記録媒体及びその製造方法
JPS60197957A (ja) 光デイスクメモリ
JP4260929B2 (ja) 光学的情報記録媒体及びその製造方法
JPH03141050A (ja) 光記録媒体
JPS6132238A (ja) 高密度情報記録デイスク用担体の製造方法
JPH083912B2 (ja) 新規な光記録媒体及びその製造方法
JPH08287527A (ja) 貼り合わせ型の光ディスクの製造方法
JPH01151026A (ja) 光記録媒体および光記録方法
JPS61194659A (ja) 光学式記録担体
KR100616232B1 (ko) 고밀도광기록매체그리고그기록/재생장치및방법
JPH02178086A (ja) 光記録媒体
JPH04205932A (ja) 光学的情報記録媒体
JPS60173732A (ja) 光学デイスク

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees