JPS51149019A - Magnetic head device - Google Patents

Magnetic head device

Info

Publication number
JPS51149019A
JPS51149019A JP7353575A JP7353575A JPS51149019A JP S51149019 A JPS51149019 A JP S51149019A JP 7353575 A JP7353575 A JP 7353575A JP 7353575 A JP7353575 A JP 7353575A JP S51149019 A JPS51149019 A JP S51149019A
Authority
JP
Japan
Prior art keywords
magnetic head
head device
head
elements
uneveness
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.)
Pending
Application number
JP7353575A
Other languages
Japanese (ja)
Inventor
Naochika Izawa
Seiya Ogawa
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP7353575A priority Critical patent/JPS51149019A/en
Publication of JPS51149019A publication Critical patent/JPS51149019A/en
Pending 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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/23—Gap features
    • G11B5/232—Manufacture of gap

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Magnetic Heads (AREA)

Abstract

PURPOSE:To manufacture a magnetic head of recording element with minimized uneveness in the performance by making the gap depth of two head elements different and polishing the both elements taking the shallow head element as a standard.
JP7353575A 1975-06-17 1975-06-17 Magnetic head device Pending JPS51149019A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7353575A JPS51149019A (en) 1975-06-17 1975-06-17 Magnetic head device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7353575A JPS51149019A (en) 1975-06-17 1975-06-17 Magnetic head device

Publications (1)

Publication Number Publication Date
JPS51149019A true JPS51149019A (en) 1976-12-21

Family

ID=13521009

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7353575A Pending JPS51149019A (en) 1975-06-17 1975-06-17 Magnetic head device

Country Status (1)

Country Link
JP (1) JPS51149019A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58173023U (en) * 1982-05-17 1983-11-18 富士電気化学株式会社 Narrow track composite digital magnetic head
US6949200B2 (en) 2000-08-14 2005-09-27 Hitachi Global Storage Technologies Netherlands, B.V. Planar magnetic head and fabrication method therefor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4837116A (en) * 1971-09-10 1973-06-01

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4837116A (en) * 1971-09-10 1973-06-01

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58173023U (en) * 1982-05-17 1983-11-18 富士電気化学株式会社 Narrow track composite digital magnetic head
WO1983004128A1 (en) * 1982-05-17 1983-11-24 Fuji Electrochemical Co., Ltd. Narrow-track composite digital magnetic head and method of fabrication thereof
US6949200B2 (en) 2000-08-14 2005-09-27 Hitachi Global Storage Technologies Netherlands, B.V. Planar magnetic head and fabrication method therefor
US7079354B1 (en) 2000-08-14 2006-07-18 Hitachi Global Storage Technologies Netherlands, B.V. Planar magnetic head

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