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JPS5275419A - Magnetic head - Google Patents

Magnetic head

Info

Publication number
JPS5275419A
JPS5275419A JP15259775A JP15259775A JPS5275419A JP S5275419 A JPS5275419 A JP S5275419A JP 15259775 A JP15259775 A JP 15259775A JP 15259775 A JP15259775 A JP 15259775A JP S5275419 A JPS5275419 A JP S5275419A
Authority
JP
Japan
Prior art keywords
magnetic head
gap
cores
recording
tape running
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
JP15259775A
Other languages
Japanese (ja)
Inventor
Kazuo Nakamura
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 JP15259775A priority Critical patent/JPS5275419A/en
Publication of JPS5275419A publication Critical patent/JPS5275419A/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:A gap for recording and reproduction causing little deterioration with time owing to tape running is obtained by applying wear-resistance treatment to the gap forming faces of cores.
JP15259775A 1975-12-19 1975-12-19 Magnetic head Pending JPS5275419A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15259775A JPS5275419A (en) 1975-12-19 1975-12-19 Magnetic head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15259775A JPS5275419A (en) 1975-12-19 1975-12-19 Magnetic head

Publications (1)

Publication Number Publication Date
JPS5275419A true JPS5275419A (en) 1977-06-24

Family

ID=15543895

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15259775A Pending JPS5275419A (en) 1975-12-19 1975-12-19 Magnetic head

Country Status (1)

Country Link
JP (1) JPS5275419A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55117723A (en) * 1979-02-28 1980-09-10 Sony Corp Magnetic head
EP0138580A2 (en) * 1983-10-12 1985-04-24 Matsushita Electric Industrial Co., Ltd. Alloy magnetic recording head

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55117723A (en) * 1979-02-28 1980-09-10 Sony Corp Magnetic head
EP0138580A2 (en) * 1983-10-12 1985-04-24 Matsushita Electric Industrial Co., Ltd. Alloy magnetic recording head

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