JPS56127916A - Manufacture of magnetic head core - Google Patents

Manufacture of magnetic head core

Info

Publication number
JPS56127916A
JPS56127916A JP3004080A JP3004080A JPS56127916A JP S56127916 A JPS56127916 A JP S56127916A JP 3004080 A JP3004080 A JP 3004080A JP 3004080 A JP3004080 A JP 3004080A JP S56127916 A JPS56127916 A JP S56127916A
Authority
JP
Japan
Prior art keywords
gap
magnetic head
forming surface
head core
prescribed
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
JP3004080A
Other languages
Japanese (ja)
Inventor
Takashi Oike
Minoru Kamimura
Iwao Sano
Hideaki Koe
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.)
Alps Alpine Co Ltd
Original Assignee
Alps 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 Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Priority to JP3004080A priority Critical patent/JPS56127916A/en
Publication of JPS56127916A publication Critical patent/JPS56127916A/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 obtain a magnetic head core having a high accuracy through a simple method, by sticking a nonmagnetic material to the groove part and the gap forming surface formed at the end part of a magnetic block substance and then polishing the nonmagnetic material on the gap forming surface into a prescribed size. CONSTITUTION:The groove part 1b is formed at the front and back parts of a rectangular parallelepiped block substance 1 of the ferrite or the like excepting the gap forming surface 1a having a prescribed gap length (l). Then the nonmagnetic material 2 is put into the groove part 1b to be heated up to the melting point of the material 2, and thus both the part 1b and the gap forming surface 1a are filled with the material 2. Thereafter, the material 2 is polished until it is turned into a plane mirror surface and so that a prescribed gap length (t) is secured for the material 2 on the surface 1a. A part of the block substance 1 is cut to obtain a magnetic head core 3. Such core 3 has a higher gap accuracy than the conventional magnetic head that uses a gap spacer such as a gap plate or the like.
JP3004080A 1980-03-10 1980-03-10 Manufacture of magnetic head core Pending JPS56127916A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3004080A JPS56127916A (en) 1980-03-10 1980-03-10 Manufacture of magnetic head core

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3004080A JPS56127916A (en) 1980-03-10 1980-03-10 Manufacture of magnetic head core

Publications (1)

Publication Number Publication Date
JPS56127916A true JPS56127916A (en) 1981-10-07

Family

ID=12292703

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3004080A Pending JPS56127916A (en) 1980-03-10 1980-03-10 Manufacture of magnetic head core

Country Status (1)

Country Link
JP (1) JPS56127916A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58118523U (en) * 1981-12-30 1983-08-12 ノ−ス・アメリカン・フイリツプス・コ−ポレ−シヨン Recording head assembly with side track erasure means
FR2633430A1 (en) * 1988-06-24 1989-12-29 Europ Composants Electron METHOD FOR PRODUCING A MAGNETIC RECORDING / READING HEAD FROM A MAGNETIC SUBSTRATE

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5026524A (en) * 1973-07-06 1975-03-19

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5026524A (en) * 1973-07-06 1975-03-19

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58118523U (en) * 1981-12-30 1983-08-12 ノ−ス・アメリカン・フイリツプス・コ−ポレ−シヨン Recording head assembly with side track erasure means
FR2633430A1 (en) * 1988-06-24 1989-12-29 Europ Composants Electron METHOD FOR PRODUCING A MAGNETIC RECORDING / READING HEAD FROM A MAGNETIC SUBSTRATE
US4939836A (en) * 1988-06-24 1990-07-10 Compagnie Europeenne De Composants Electroniques Lcc Method for the fabrication of a magnetic recording/reading head from a magnetic substrate

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