JPS53123913A - Magnetic head and production of the same - Google Patents

Magnetic head and production of the same

Info

Publication number
JPS53123913A
JPS53123913A JP3924377A JP3924377A JPS53123913A JP S53123913 A JPS53123913 A JP S53123913A JP 3924377 A JP3924377 A JP 3924377A JP 3924377 A JP3924377 A JP 3924377A JP S53123913 A JPS53123913 A JP S53123913A
Authority
JP
Japan
Prior art keywords
production
same
magnetic head
gap
gap part
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
JP3924377A
Other languages
Japanese (ja)
Inventor
Hisatsune Tsuda
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.)
Olympus Corp
Original Assignee
Olympus Optical 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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP3924377A priority Critical patent/JPS53123913A/en
Priority to DE19782814744 priority patent/DE2814744C2/en
Publication of JPS53123913A publication Critical patent/JPS53123913A/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
    • G11B5/133—Structure or manufacture of heads, e.g. inductive with cores composed of particles, e.g. with dust cores, with ferrite cores with cores composed of isolated magnetic particles
    • G11B5/1335—Assembling or shaping of elements
    • 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
    • G11B5/193—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features the pole pieces being ferrite or other magnetic particles
    • 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
    • G11B5/235—Selection of material for gap filler

Landscapes

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

Abstract

PURPOSE: To stably maintain gap accuracy by reinforcing the neighborhood of gap part with a glass material or other for maintaing gap and forming the gap part with a plastic material of high hardness.
COPYRIGHT: (C)1978,JPO&Japio
JP3924377A 1977-04-05 1977-04-05 Magnetic head and production of the same Pending JPS53123913A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP3924377A JPS53123913A (en) 1977-04-05 1977-04-05 Magnetic head and production of the same
DE19782814744 DE2814744C2 (en) 1977-04-05 1978-04-05 Method of manufacturing a blank magnetic head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3924377A JPS53123913A (en) 1977-04-05 1977-04-05 Magnetic head and production of the same

Publications (1)

Publication Number Publication Date
JPS53123913A true JPS53123913A (en) 1978-10-28

Family

ID=12547678

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3924377A Pending JPS53123913A (en) 1977-04-05 1977-04-05 Magnetic head and production of the same

Country Status (2)

Country Link
JP (1) JPS53123913A (en)
DE (1) DE2814744C2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56156920A (en) * 1980-04-30 1981-12-03 Toshiba Corp Composite magnetic head and its production
NL8401383A (en) * 1983-07-04 1985-02-01 Philips Nv MAGNETIC HEAD AND METHOD FOR ITS MANUFACTURE.
EP0149509B1 (en) * 1984-01-14 1991-07-31 Ngk Insulators, Ltd. Magnectic head core and process of manufacturing the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE961662C (en) * 1953-09-10 1957-04-11 Telefunken Gmbh Gap filling for magnetizing head
DE1210042B (en) * 1960-09-27 1966-02-03 Philips Nv Process for the production of pole piece units for magnetic heads
DE1774244C3 (en) * 1967-05-12 1974-12-19 Rca Corp., New York, N.Y. (V.St.A.) Magnetic button with C-shaped ferrite core parts

Also Published As

Publication number Publication date
DE2814744C2 (en) 1983-06-16
DE2814744A1 (en) 1978-10-12

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