JPS5284720A - Production of magnetic head - Google Patents

Production of magnetic head

Info

Publication number
JPS5284720A
JPS5284720A JP376377A JP376377A JPS5284720A JP S5284720 A JPS5284720 A JP S5284720A JP 376377 A JP376377 A JP 376377A JP 376377 A JP376377 A JP 376377A JP S5284720 A JPS5284720 A JP S5284720A
Authority
JP
Japan
Prior art keywords
magnetic
production
magnetic head
cuttin
fusion
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
JP376377A
Other languages
Japanese (ja)
Other versions
JPS5330008B2 (en
Inventor
Kengo Matsumoto
Seiji Nose
Kiyonori Hayakawa
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 JP376377A priority Critical patent/JPS5284720A/en
Publication of JPS5284720A publication Critical patent/JPS5284720A/en
Publication of JPS5330008B2 publication Critical patent/JPS5330008B2/ja
Granted 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
    • G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
    • G11B5/2652—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track with more than one gap simultaneously operative
    • G11B5/2654—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track with more than one gap simultaneously operative for recording or erasing

Landscapes

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

Abstract

PURPOSE:To prevent magnetic saturation in magnetic poles and improve recording density by fusion-welding two magnetic blocks to form a magnetic gap and cuttin cutting the magnetic gap forming parts so that one of the magnetic poles becomes convergent.
JP376377A 1977-01-17 1977-01-17 Production of magnetic head Granted JPS5284720A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP376377A JPS5284720A (en) 1977-01-17 1977-01-17 Production of magnetic head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP376377A JPS5284720A (en) 1977-01-17 1977-01-17 Production of magnetic head

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP4307372A Division JPS5247689B2 (en) 1972-04-28 1972-04-28

Publications (2)

Publication Number Publication Date
JPS5284720A true JPS5284720A (en) 1977-07-14
JPS5330008B2 JPS5330008B2 (en) 1978-08-24

Family

ID=11566201

Family Applications (1)

Application Number Title Priority Date Filing Date
JP376377A Granted JPS5284720A (en) 1977-01-17 1977-01-17 Production of magnetic head

Country Status (1)

Country Link
JP (1) JPS5284720A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0110513A2 (en) * 1982-10-19 1984-06-13 EASTMAN KODAK COMPANY (a New Jersey corporation) Common reluctance path multi-gap magnetic transducer
EP0115052A2 (en) * 1982-12-28 1984-08-08 Kabushiki Kaisha Toshiba Magnetic head device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0110513A2 (en) * 1982-10-19 1984-06-13 EASTMAN KODAK COMPANY (a New Jersey corporation) Common reluctance path multi-gap magnetic transducer
EP0115052A2 (en) * 1982-12-28 1984-08-08 Kabushiki Kaisha Toshiba Magnetic head device

Also Published As

Publication number Publication date
JPS5330008B2 (en) 1978-08-24

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