JPS52152716A - Magnetic head and production thereof - Google Patents

Magnetic head and production thereof

Info

Publication number
JPS52152716A
JPS52152716A JP6995276A JP6995276A JPS52152716A JP S52152716 A JPS52152716 A JP S52152716A JP 6995276 A JP6995276 A JP 6995276A JP 6995276 A JP6995276 A JP 6995276A JP S52152716 A JPS52152716 A JP S52152716A
Authority
JP
Japan
Prior art keywords
magnetic head
production
magnetic
wear
high frequency
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
JP6995276A
Other languages
Japanese (ja)
Inventor
Tadahiro Yanagiuchi
Eiichi Hirota
Hiroshi Sakakima
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 JP6995276A priority Critical patent/JPS52152716A/en
Publication of JPS52152716A publication Critical patent/JPS52152716A/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:To easily produce a wear-proof magnetic head, which has little loss in high frequency, by locally heating a magnetic head to lower its magnetic permeability thereby to form a magnetic gap.
JP6995276A 1976-06-14 1976-06-14 Magnetic head and production thereof Pending JPS52152716A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6995276A JPS52152716A (en) 1976-06-14 1976-06-14 Magnetic head and production thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6995276A JPS52152716A (en) 1976-06-14 1976-06-14 Magnetic head and production thereof

Publications (1)

Publication Number Publication Date
JPS52152716A true JPS52152716A (en) 1977-12-19

Family

ID=13417487

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6995276A Pending JPS52152716A (en) 1976-06-14 1976-06-14 Magnetic head and production thereof

Country Status (1)

Country Link
JP (1) JPS52152716A (en)

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