JPS5960747A - 磁気光学再生装置 - Google Patents

磁気光学再生装置

Info

Publication number
JPS5960747A
JPS5960747A JP17257382A JP17257382A JPS5960747A JP S5960747 A JPS5960747 A JP S5960747A JP 17257382 A JP17257382 A JP 17257382A JP 17257382 A JP17257382 A JP 17257382A JP S5960747 A JPS5960747 A JP S5960747A
Authority
JP
Japan
Prior art keywords
magneto
disk base
incident
laser light
deltan
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
JP17257382A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0557660B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
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 JP17257382A priority Critical patent/JPS5960747A/ja
Publication of JPS5960747A publication Critical patent/JPS5960747A/ja
Publication of JPH0557660B2 publication Critical patent/JPH0557660B2/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
    • 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
JP17257382A 1982-09-29 1982-09-29 磁気光学再生装置 Granted JPS5960747A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17257382A JPS5960747A (ja) 1982-09-29 1982-09-29 磁気光学再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17257382A JPS5960747A (ja) 1982-09-29 1982-09-29 磁気光学再生装置

Publications (2)

Publication Number Publication Date
JPS5960747A true JPS5960747A (ja) 1984-04-06
JPH0557660B2 JPH0557660B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-08-24

Family

ID=15944335

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17257382A Granted JPS5960747A (ja) 1982-09-29 1982-09-29 磁気光学再生装置

Country Status (1)

Country Link
JP (1) JPS5960747A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63124252A (ja) * 1986-11-14 1988-05-27 Hitachi Maxell Ltd 光情報記録媒体用光学装置
JPS63149845A (ja) * 1986-12-12 1988-06-22 Hitachi Maxell Ltd 光情報記録媒体及びその製造方法
US7564772B2 (en) 2002-04-10 2009-07-21 Sony Corporation High density optical disc having recorded characters visibly readable from a substrate side

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63124252A (ja) * 1986-11-14 1988-05-27 Hitachi Maxell Ltd 光情報記録媒体用光学装置
JPS63149845A (ja) * 1986-12-12 1988-06-22 Hitachi Maxell Ltd 光情報記録媒体及びその製造方法
US7564772B2 (en) 2002-04-10 2009-07-21 Sony Corporation High density optical disc having recorded characters visibly readable from a substrate side
US7964337B2 (en) 2002-04-10 2011-06-21 Sony Corporation Optical recording medium and method of producing the same

Also Published As

Publication number Publication date
JPH0557660B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-08-24

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