CA1179771A - Perpendicular mode magnetic transducer head - Google Patents

Perpendicular mode magnetic transducer head

Info

Publication number
CA1179771A
CA1179771A CA000399018A CA399018A CA1179771A CA 1179771 A CA1179771 A CA 1179771A CA 000399018 A CA000399018 A CA 000399018A CA 399018 A CA399018 A CA 399018A CA 1179771 A CA1179771 A CA 1179771A
Authority
CA
Canada
Prior art keywords
magnetic
coil
auxiliary
main
magnetic pole
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.)
Expired
Application number
CA000399018A
Other languages
English (en)
French (fr)
Inventor
Jiro Hokkyo
Kiyonori Hayakawa
Sei Satake
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of CA1179771A publication Critical patent/CA1179771A/en
Expired 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
    • G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
CA000399018A 1981-03-30 1982-03-22 Perpendicular mode magnetic transducer head Expired CA1179771A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4674681A JPS57162114A (en) 1981-03-30 1981-03-30 Magnetic head
JP46746/81 1981-03-30

Publications (1)

Publication Number Publication Date
CA1179771A true CA1179771A (en) 1984-12-18

Family

ID=12755893

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000399018A Expired CA1179771A (en) 1981-03-30 1982-03-22 Perpendicular mode magnetic transducer head

Country Status (6)

Country Link
JP (1) JPS57162114A (OSRAM)
CA (1) CA1179771A (OSRAM)
DE (1) DE3211581A1 (OSRAM)
FR (1) FR2502824B1 (OSRAM)
GB (1) GB2095888B (OSRAM)
NL (1) NL8201231A (OSRAM)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59157819A (ja) * 1983-02-25 1984-09-07 Sony Corp 垂直磁気記録用ヘツド
EP0139018B1 (en) * 1983-03-22 1990-06-13 Sony Corporation Magnetic transducer head assembly having a single magnetic pole type for perpendicular mode recording
JPH07101483B2 (ja) * 1983-08-29 1995-11-01 ソニー株式会社 薄膜型磁気ヘッド
US4672494A (en) * 1983-09-01 1987-06-09 Matsushita Electric Industrial Co., Ltd. Magnetic head for effecting perpendicular magnetic recording
JPS60197914A (ja) * 1984-03-20 1985-10-07 Olympus Optical Co Ltd 垂直磁化型磁気ヘツド
JPS6134710A (ja) * 1984-07-26 1986-02-19 Akai Electric Co Ltd 磁気ヘツド

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5810764B2 (ja) * 1977-09-30 1983-02-28 岩崎 俊一 磁気記録再生装置
JPS5584015U (OSRAM) * 1978-12-07 1980-06-10
JPS56165918A (en) * 1980-05-23 1981-12-19 Ricoh Co Ltd Vertical magnetic recorder and reproducer

Also Published As

Publication number Publication date
FR2502824B1 (fr) 1985-01-04
GB2095888B (en) 1984-09-26
JPS57162114A (en) 1982-10-05
GB2095888A (en) 1982-10-06
NL8201231A (nl) 1982-10-18
FR2502824A1 (fr) 1982-10-01
JPH0157405B2 (OSRAM) 1989-12-05
DE3211581A1 (de) 1982-12-02

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry