JPS51148412A - Head-core and its production method - Google Patents

Head-core and its production method

Info

Publication number
JPS51148412A
JPS51148412A JP50072069A JP7206975A JPS51148412A JP S51148412 A JPS51148412 A JP S51148412A JP 50072069 A JP50072069 A JP 50072069A JP 7206975 A JP7206975 A JP 7206975A JP S51148412 A JPS51148412 A JP S51148412A
Authority
JP
Japan
Prior art keywords
core
head
production method
section
butt
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
JP50072069A
Other languages
Japanese (ja)
Inventor
Sadakimi Ooyama
Koichi Nishimura
Masataka Okazaki
Yuji Saito
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.)
Mitsumi Electric Co Ltd
Original Assignee
Mitsumi Electric 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 Mitsumi Electric Co Ltd filed Critical Mitsumi Electric Co Ltd
Priority to JP50072069A priority Critical patent/JPS51148412A/en
Publication of JPS51148412A publication Critical patent/JPS51148412A/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)

Abstract

PURPOSE:In order to promote the reproducing efficiency through complete butting between the first and the second core, by way of forming non-magnetic materials on the second core's front butt-section so as to make the identical surface with the rear butt-section.
JP50072069A 1975-06-16 1975-06-16 Head-core and its production method Pending JPS51148412A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50072069A JPS51148412A (en) 1975-06-16 1975-06-16 Head-core and its production method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50072069A JPS51148412A (en) 1975-06-16 1975-06-16 Head-core and its production method

Publications (1)

Publication Number Publication Date
JPS51148412A true JPS51148412A (en) 1976-12-20

Family

ID=13478733

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50072069A Pending JPS51148412A (en) 1975-06-16 1975-06-16 Head-core and its production method

Country Status (1)

Country Link
JP (1) JPS51148412A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5641520A (en) * 1979-09-13 1981-04-18 Hitachi Ltd Magnetic head
JPS58121124A (en) * 1982-01-07 1983-07-19 Sanyo Electric Co Ltd Production of magnetic head

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5641520A (en) * 1979-09-13 1981-04-18 Hitachi Ltd Magnetic head
JPS58121124A (en) * 1982-01-07 1983-07-19 Sanyo Electric Co Ltd Production of magnetic head

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