JPS5330312A - Preparation of magnetic head - Google Patents

Preparation of magnetic head

Info

Publication number
JPS5330312A
JPS5330312A JP10438176A JP10438176A JPS5330312A JP S5330312 A JPS5330312 A JP S5330312A JP 10438176 A JP10438176 A JP 10438176A JP 10438176 A JP10438176 A JP 10438176A JP S5330312 A JPS5330312 A JP S5330312A
Authority
JP
Japan
Prior art keywords
preparation
magnetic head
poles
magnetic material
material portion
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.)
Granted
Application number
JP10438176A
Other languages
Japanese (ja)
Other versions
JPS594762B2 (en
Inventor
Yoshimi Makino
Satoru Kamihira
Moriyasu Ito
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
Priority to JP10438176A priority Critical patent/JPS594762B2/en
Publication of JPS5330312A publication Critical patent/JPS5330312A/en
Publication of JPS594762B2 publication Critical patent/JPS594762B2/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
    • G11B5/325—Erasing heads using permanent magnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)

Abstract

PURPOSE:To make easier thermal copying by forming N poles and S poles by effecting thermal copying of master tape on magnetic material portion in erazing head and using specific metals for magnetic material portion.
JP10438176A 1976-09-01 1976-09-01 Manufacturing method of magnetic head Expired JPS594762B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10438176A JPS594762B2 (en) 1976-09-01 1976-09-01 Manufacturing method of magnetic head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10438176A JPS594762B2 (en) 1976-09-01 1976-09-01 Manufacturing method of magnetic head

Publications (2)

Publication Number Publication Date
JPS5330312A true JPS5330312A (en) 1978-03-22
JPS594762B2 JPS594762B2 (en) 1984-01-31

Family

ID=14379174

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10438176A Expired JPS594762B2 (en) 1976-09-01 1976-09-01 Manufacturing method of magnetic head

Country Status (1)

Country Link
JP (1) JPS594762B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59157206U (en) * 1983-04-02 1984-10-22 ナカミチ株式会社 erase head
US4691793A (en) * 1984-12-13 1987-09-08 Horiba, Ltd. Apparatus for detecting amount of liquid nitrogen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59157206U (en) * 1983-04-02 1984-10-22 ナカミチ株式会社 erase head
US4691793A (en) * 1984-12-13 1987-09-08 Horiba, Ltd. Apparatus for detecting amount of liquid nitrogen

Also Published As

Publication number Publication date
JPS594762B2 (en) 1984-01-31

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