KR910009025B1 - 복합형 자기 헤드용 코어의 제조법 - Google Patents

복합형 자기 헤드용 코어의 제조법 Download PDF

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Publication number
KR910009025B1
KR910009025B1 KR1019850000091A KR850000091A KR910009025B1 KR 910009025 B1 KR910009025 B1 KR 910009025B1 KR 1019850000091 A KR1019850000091 A KR 1019850000091A KR 850000091 A KR850000091 A KR 850000091A KR 910009025 B1 KR910009025 B1 KR 910009025B1
Authority
KR
South Korea
Prior art keywords
ferrite
core
magnetic
glass
structures
Prior art date
Application number
KR1019850000091A
Other languages
English (en)
Korean (ko)
Other versions
KR850005671A (ko
Inventor
소이찌로 마쓰자와
Original Assignee
닛뽄 가이시 가부시끼가이샤
다께미 쥰이찌
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, 다께미 쥰이찌 filed Critical 닛뽄 가이시 가부시끼가이샤
Publication of KR850005671A publication Critical patent/KR850005671A/ko
Application granted granted Critical
Publication of KR910009025B1 publication Critical patent/KR910009025B1/ko

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    • 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

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
KR1019850000091A 1984-01-14 1985-01-09 복합형 자기 헤드용 코어의 제조법 KR910009025B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP59005204A JPS60150215A (ja) 1984-01-14 1984-01-14 複合型磁気ヘツド用コアの製造法
JP59-5204 1984-01-14
JP5204 1984-01-14

Publications (2)

Publication Number Publication Date
KR850005671A KR850005671A (ko) 1985-08-28
KR910009025B1 true KR910009025B1 (ko) 1991-10-28

Family

ID=11604662

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850000091A KR910009025B1 (ko) 1984-01-14 1985-01-09 복합형 자기 헤드용 코어의 제조법

Country Status (2)

Country Link
JP (1) JPS60150215A (ja)
KR (1) KR910009025B1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4711018A (en) * 1984-01-14 1987-12-08 Ngk Insulators, Ltd. Method of manufacturing a magnetic head core
JPS62241116A (ja) * 1986-04-14 1987-10-21 Mitsubishi Electric Corp 磁気ヘツドの製造方法
JPS637504A (ja) * 1986-06-27 1988-01-13 Nec Kansai Ltd 磁気ヘツドコアの接合方法
JPS63200308A (ja) * 1987-02-13 1988-08-18 Nippon Chemicon Corp 磁気ヘツド用コアおよびそのコアピ−ス並びにこれらの加工方法
JPH0638003U (ja) * 1992-10-01 1994-05-20 ティアック株式会社 磁気ヘッド
JPH06231419A (ja) * 1993-01-29 1994-08-19 Victor Co Of Japan Ltd 磁気ヘッド

Also Published As

Publication number Publication date
JPH0247002B2 (ja) 1990-10-18
JPS60150215A (ja) 1985-08-07
KR850005671A (ko) 1985-08-28

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A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
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Payment date: 20040913

Year of fee payment: 14

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