JPS6080144A - 光メモリ素子 - Google Patents

光メモリ素子

Info

Publication number
JPS6080144A
JPS6080144A JP58188793A JP18879383A JPS6080144A JP S6080144 A JPS6080144 A JP S6080144A JP 58188793 A JP58188793 A JP 58188793A JP 18879383 A JP18879383 A JP 18879383A JP S6080144 A JPS6080144 A JP S6080144A
Authority
JP
Japan
Prior art keywords
optical memory
film
memory element
substrate
recording
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
JP58188793A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0477974B2 (2
Inventor
Hiroyuki Katayama
博之 片山
Junji Hirokane
順司 広兼
Akira Takahashi
明 高橋
Kenji Oota
賢司 太田
Hideyoshi Yamaoka
山岡　秀嘉
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP58188793A priority Critical patent/JPS6080144A/ja
Publication of JPS6080144A publication Critical patent/JPS6080144A/ja
Publication of JPH0477974B2 publication Critical patent/JPH0477974B2/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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
JP58188793A 1983-10-07 1983-10-07 光メモリ素子 Granted JPS6080144A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58188793A JPS6080144A (ja) 1983-10-07 1983-10-07 光メモリ素子

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58188793A JPS6080144A (ja) 1983-10-07 1983-10-07 光メモリ素子

Publications (2)

Publication Number Publication Date
JPS6080144A true JPS6080144A (ja) 1985-05-08
JPH0477974B2 JPH0477974B2 (2) 1992-12-09

Family

ID=16229892

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58188793A Granted JPS6080144A (ja) 1983-10-07 1983-10-07 光メモリ素子

Country Status (1)

Country Link
JP (1) JPS6080144A (2)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60163248A (ja) * 1984-02-03 1985-08-26 Kyocera Corp 磁気記録素子
JPS6246449A (ja) * 1985-08-23 1987-02-28 Konishiroku Photo Ind Co Ltd 光磁気記録媒体の製造方法
JPS62184639A (ja) * 1986-02-07 1987-08-13 Matsushita Electric Ind Co Ltd 光デイスク
JPS62222450A (ja) * 1986-03-25 1987-09-30 Hitachi Ltd 記録媒体
JPS62245549A (ja) * 1986-04-16 1987-10-26 Sony Corp 光学記録媒体
JPS62285256A (ja) * 1986-06-04 1987-12-11 Konica Corp 光磁気記録媒体
JPS6383940A (ja) * 1986-09-29 1988-04-14 Fujitsu Ltd 光磁気デイスクの製造方法
JPH01298544A (ja) * 1988-05-26 1989-12-01 Nippon Columbia Co Ltd 光情報記録媒体
JPH0291837A (ja) * 1988-09-28 1990-03-30 Hitachi Ltd 光磁気記録媒体
JPH02134739A (ja) * 1988-11-15 1990-05-23 Nippon Columbia Co Ltd 光情報記録媒体
JPH02226531A (ja) * 1989-02-27 1990-09-10 Hitachi Ltd 光デイスクの構造
US5058098A (en) * 1988-02-17 1991-10-15 Victor Company Of Japan, Ltd. Optical record medium having an improved reflection thin film

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60163248A (ja) * 1984-02-03 1985-08-26 Kyocera Corp 磁気記録素子
JPS6246449A (ja) * 1985-08-23 1987-02-28 Konishiroku Photo Ind Co Ltd 光磁気記録媒体の製造方法
JPS62184639A (ja) * 1986-02-07 1987-08-13 Matsushita Electric Ind Co Ltd 光デイスク
JPS62222450A (ja) * 1986-03-25 1987-09-30 Hitachi Ltd 記録媒体
JPS62245549A (ja) * 1986-04-16 1987-10-26 Sony Corp 光学記録媒体
JPS62285256A (ja) * 1986-06-04 1987-12-11 Konica Corp 光磁気記録媒体
JPS6383940A (ja) * 1986-09-29 1988-04-14 Fujitsu Ltd 光磁気デイスクの製造方法
US5058098A (en) * 1988-02-17 1991-10-15 Victor Company Of Japan, Ltd. Optical record medium having an improved reflection thin film
JPH01298544A (ja) * 1988-05-26 1989-12-01 Nippon Columbia Co Ltd 光情報記録媒体
JPH0291837A (ja) * 1988-09-28 1990-03-30 Hitachi Ltd 光磁気記録媒体
JPH02134739A (ja) * 1988-11-15 1990-05-23 Nippon Columbia Co Ltd 光情報記録媒体
JPH02226531A (ja) * 1989-02-27 1990-09-10 Hitachi Ltd 光デイスクの構造

Also Published As

Publication number Publication date
JPH0477974B2 (2) 1992-12-09

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