KR850005670A - Core for magnetic head - Google Patents

Core for magnetic head

Info

Publication number
KR850005670A
KR850005670A KR1019850000090A KR850000090A KR850005670A KR 850005670 A KR850005670 A KR 850005670A KR 1019850000090 A KR1019850000090 A KR 1019850000090A KR 850000090 A KR850000090 A KR 850000090A KR 850005670 A KR850005670 A KR 850005670A
Authority
KR
South Korea
Prior art keywords
core
magnetic head
magnetic
head
Prior art date
Application number
KR1019850000090A
Other languages
Korean (ko)
Other versions
KR910009024B1 (en
Inventor
소이찌로오 마쓰자와
Original Assignee
닛뽄 가이시 가부시끼가이샤
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 닛뽄 가이시 가부시끼가이샤 filed Critical 닛뽄 가이시 가부시끼가이샤
Publication of KR850005670A publication Critical patent/KR850005670A/en
Application granted granted Critical
Publication of KR910009024B1 publication Critical patent/KR910009024B1/en

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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
KR1019850000090A 1984-01-14 1985-01-09 Method of manufacturing a magnetic head core KR910009024B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59005203A JPH0740334B2 (en) 1984-01-14 1984-01-14 Core precursor for magnetic core manufacturing
JP59-5203 1984-01-14

Publications (2)

Publication Number Publication Date
KR850005670A true KR850005670A (en) 1985-08-28
KR910009024B1 KR910009024B1 (en) 1991-10-28

Family

ID=11604634

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850000090A KR910009024B1 (en) 1984-01-14 1985-01-09 Method of manufacturing a magnetic head core

Country Status (2)

Country Link
JP (1) JPH0740334B2 (en)
KR (1) KR910009024B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3583619D1 (en) * 1984-01-14 1991-09-05 Ngk Insulators Ltd MAGNETIC HEAD CORE AND PRODUCTION METHOD.
JPS60226005A (en) * 1984-04-24 1985-11-11 Sankyo Seiki Mfg Co Ltd Magnetic head for floppy disc
JPH01235012A (en) * 1988-03-16 1989-09-20 Hitachi Ltd Magnetic head
JPH01154309A (en) * 1988-08-30 1989-06-16 Sankyo Seiki Mfg Co Ltd Composite type magnetic head and production thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57105822A (en) * 1980-12-24 1982-07-01 Fuji Elelctrochem Co Ltd Manufacture for digital magnetic head
JPS58173023U (en) * 1982-05-17 1983-11-18 富士電気化学株式会社 Narrow track composite digital magnetic head
US4611259A (en) * 1983-02-08 1986-09-09 Ampex Corporation Magnetic transducer structure having reduced track width and a method of manufacturing thereof

Also Published As

Publication number Publication date
KR910009024B1 (en) 1991-10-28
JPH0740334B2 (en) 1995-05-01
JPS60150212A (en) 1985-08-07

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Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20040913

Year of fee payment: 14

EXPY Expiration of term