JPS5916158A - マイクロ磁気ヘツド - Google Patents

マイクロ磁気ヘツド

Info

Publication number
JPS5916158A
JPS5916158A JP12431782A JP12431782A JPS5916158A JP S5916158 A JPS5916158 A JP S5916158A JP 12431782 A JP12431782 A JP 12431782A JP 12431782 A JP12431782 A JP 12431782A JP S5916158 A JPS5916158 A JP S5916158A
Authority
JP
Japan
Prior art keywords
magnetic
thin film
head
optical waveguide
magnetic thin
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
JP12431782A
Other languages
English (en)
Japanese (ja)
Other versions
JPH043016B2 (enExample
Inventor
Iwao Hatakeyama
畠山　巌
Yasushi Maeda
前田　安
Osamu Ishii
修 石井
Shizuka Yoshii
吉井　静
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP12431782A priority Critical patent/JPS5916158A/ja
Priority to NL8302585A priority patent/NL192546C/nl
Priority to US06/515,135 priority patent/US4618901A/en
Publication of JPS5916158A publication Critical patent/JPS5916158A/ja
Publication of JPH043016B2 publication Critical patent/JPH043016B2/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
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G11B5/3113—Details for improving the magnetic domain structure or avoiding the formation or displacement of undesirable magnetic domains
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
JP12431782A 1982-07-19 1982-07-19 マイクロ磁気ヘツド Granted JPS5916158A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP12431782A JPS5916158A (ja) 1982-07-19 1982-07-19 マイクロ磁気ヘツド
NL8302585A NL192546C (nl) 1982-07-19 1983-07-19 Leeskop voor een met hoge dichtheid uitgevoerde magnetische registratie.
US06/515,135 US4618901A (en) 1982-07-19 1983-07-19 High density magnetic head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12431782A JPS5916158A (ja) 1982-07-19 1982-07-19 マイクロ磁気ヘツド

Publications (2)

Publication Number Publication Date
JPS5916158A true JPS5916158A (ja) 1984-01-27
JPH043016B2 JPH043016B2 (enExample) 1992-01-21

Family

ID=14882333

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12431782A Granted JPS5916158A (ja) 1982-07-19 1982-07-19 マイクロ磁気ヘツド

Country Status (1)

Country Link
JP (1) JPS5916158A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4609961A (en) * 1984-08-20 1986-09-02 Datatape Incorporated Faraday-effect magneto-optic transducer
US6110296A (en) * 1998-04-28 2000-08-29 Usx Corporation Thin strip casting of carbon steels

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5015458U (enExample) * 1973-06-05 1975-02-18

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5015458U (enExample) * 1973-06-05 1975-02-18

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4609961A (en) * 1984-08-20 1986-09-02 Datatape Incorporated Faraday-effect magneto-optic transducer
US6110296A (en) * 1998-04-28 2000-08-29 Usx Corporation Thin strip casting of carbon steels

Also Published As

Publication number Publication date
JPH043016B2 (enExample) 1992-01-21

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