JPS5260111A - Magnetic head - Google Patents

Magnetic head

Info

Publication number
JPS5260111A
JPS5260111A JP13649875A JP13649875A JPS5260111A JP S5260111 A JPS5260111 A JP S5260111A JP 13649875 A JP13649875 A JP 13649875A JP 13649875 A JP13649875 A JP 13649875A JP S5260111 A JPS5260111 A JP S5260111A
Authority
JP
Japan
Prior art keywords
thin plate
magnetic head
refnection
magnetooptically
reproduction
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
JP13649875A
Other languages
Japanese (ja)
Other versions
JPS5633781B2 (en
Inventor
Fukashi 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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP13649875A priority Critical patent/JPS5260111A/en
Publication of JPS5260111A publication Critical patent/JPS5260111A/en
Publication of JPS5633781B2 publication Critical patent/JPS5633781B2/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
    • G11B11/10532—Heads
    • G11B11/10541—Heads for reproducing
    • G11B11/10543—Heads for reproducing using optical beam of radiation
    • G11B11/10547—Heads for reproducing using optical beam of radiation interacting with the magnetisation of an intermediate transfer element, e.g. magnetic film, included in the head

Abstract

PURPOSE:The non-magnetic optical refnection thin plate is attached closely to one surface of ferromagnetic body thin plate in order to detect magnetooptically the magnetization state of thin plate. Thus, the reproduction of high-density recording becomes possible.
JP13649875A 1975-11-12 1975-11-12 Magnetic head Granted JPS5260111A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13649875A JPS5260111A (en) 1975-11-12 1975-11-12 Magnetic head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13649875A JPS5260111A (en) 1975-11-12 1975-11-12 Magnetic head

Publications (2)

Publication Number Publication Date
JPS5260111A true JPS5260111A (en) 1977-05-18
JPS5633781B2 JPS5633781B2 (en) 1981-08-06

Family

ID=15176560

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13649875A Granted JPS5260111A (en) 1975-11-12 1975-11-12 Magnetic head

Country Status (1)

Country Link
JP (1) JPS5260111A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8403951A (en) * 1983-12-29 1985-07-16 Fuji Photo Film Co Ltd METHOD AND APPARATUS FOR REPRODUCING MAGNETIC INFORMATION.
US4609961A (en) * 1984-08-20 1986-09-02 Datatape Incorporated Faraday-effect magneto-optic transducer
US4974219A (en) * 1987-10-30 1990-11-27 International Business Machines Polarizing beam splitter using dielectric multilayers
CN113533213A (en) * 2021-07-09 2021-10-22 电子科技大学 Integrated magneto-optical sensing module based on entity light guide structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8403951A (en) * 1983-12-29 1985-07-16 Fuji Photo Film Co Ltd METHOD AND APPARATUS FOR REPRODUCING MAGNETIC INFORMATION.
US4609961A (en) * 1984-08-20 1986-09-02 Datatape Incorporated Faraday-effect magneto-optic transducer
US4974219A (en) * 1987-10-30 1990-11-27 International Business Machines Polarizing beam splitter using dielectric multilayers
CN113533213A (en) * 2021-07-09 2021-10-22 电子科技大学 Integrated magneto-optical sensing module based on entity light guide structure

Also Published As

Publication number Publication date
JPS5633781B2 (en) 1981-08-06

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