JPS5715203A - Photomagnetic recording and reproducing device - Google Patents

Photomagnetic recording and reproducing device

Info

Publication number
JPS5715203A
JPS5715203A JP8823080A JP8823080A JPS5715203A JP S5715203 A JPS5715203 A JP S5715203A JP 8823080 A JP8823080 A JP 8823080A JP 8823080 A JP8823080 A JP 8823080A JP S5715203 A JPS5715203 A JP S5715203A
Authority
JP
Japan
Prior art keywords
light beam
vertical magnetic
magnetic field
recording medium
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
JP8823080A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0226281B2 (enrdf_load_stackoverflow
Inventor
Toshihisa Deguchi
Kenji Oota
Shozo Kobayashi
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 JP8823080A priority Critical patent/JPS5715203A/ja
Publication of JPS5715203A publication Critical patent/JPS5715203A/ja
Publication of JPH0226281B2 publication Critical patent/JPH0226281B2/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
    • 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

  • Recording Or Reproducing By Magnetic Means (AREA)
JP8823080A 1980-06-28 1980-06-28 Photomagnetic recording and reproducing device Granted JPS5715203A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8823080A JPS5715203A (en) 1980-06-28 1980-06-28 Photomagnetic recording and reproducing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8823080A JPS5715203A (en) 1980-06-28 1980-06-28 Photomagnetic recording and reproducing device

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP3065123A Division JP2597049B2 (ja) 1991-03-29 1991-03-29 光磁気記録再生装置

Publications (2)

Publication Number Publication Date
JPS5715203A true JPS5715203A (en) 1982-01-26
JPH0226281B2 JPH0226281B2 (enrdf_load_stackoverflow) 1990-06-08

Family

ID=13937056

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8823080A Granted JPS5715203A (en) 1980-06-28 1980-06-28 Photomagnetic recording and reproducing device

Country Status (1)

Country Link
JP (1) JPS5715203A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2590065A1 (fr) * 1985-09-13 1987-05-15 Canon Kk Appareil d'enregistrement magneto-optique d'informations
JPH02210640A (ja) * 1989-02-09 1990-08-22 Canon Inc 光学ヘッド装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51107121A (ja) * 1975-03-17 1976-09-22 Yoshifumi Sakurai Hikarijikikirokuhoshiki

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51107121A (ja) * 1975-03-17 1976-09-22 Yoshifumi Sakurai Hikarijikikirokuhoshiki

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2590065A1 (fr) * 1985-09-13 1987-05-15 Canon Kk Appareil d'enregistrement magneto-optique d'informations
US4843600A (en) * 1985-09-13 1989-06-27 Canon Kabushiki Kaisha Recording head for magneto-optical information recording apparatus
JPH02210640A (ja) * 1989-02-09 1990-08-22 Canon Inc 光学ヘッド装置

Also Published As

Publication number Publication date
JPH0226281B2 (enrdf_load_stackoverflow) 1990-06-08

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