KR890003180B1 - Vtr용 자기 헤드 - Google Patents

Vtr용 자기 헤드 Download PDF

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Publication number
KR890003180B1
KR890003180B1 KR1019840004047A KR840004047A KR890003180B1 KR 890003180 B1 KR890003180 B1 KR 890003180B1 KR 1019840004047 A KR1019840004047 A KR 1019840004047A KR 840004047 A KR840004047 A KR 840004047A KR 890003180 B1 KR890003180 B1 KR 890003180B1
Authority
KR
South Korea
Prior art keywords
magnetic head
phase
alloy
vtr according
base material
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.)
Expired
Application number
KR1019840004047A
Other languages
English (en)
Korean (ko)
Other versions
KR850002628A (ko
Inventor
다까시 다끼사와
가쓰오 오다하라
Original Assignee
알프스덴기 가부시기 가이샤
가다오까 가쓰다로오
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 알프스덴기 가부시기 가이샤, 가다오까 가쓰다로오 filed Critical 알프스덴기 가부시기 가이샤
Publication of KR850002628A publication Critical patent/KR850002628A/ko
Application granted granted Critical
Publication of KR890003180B1 publication Critical patent/KR890003180B1/ko
Expired legal-status Critical Current

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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
    • 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
    • G11B5/147—Structure or manufacture of heads, e.g. inductive with cores being composed of metal sheets, i.e. laminated cores with cores composed of isolated magnetic layers, e.g. sheets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15358—Making agglomerates therefrom, e.g. by pressing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15358—Making agglomerates therefrom, e.g. by pressing
    • H01F1/15366—Making agglomerates therefrom, e.g. by pressing using a binder

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Soft Magnetic Materials (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Magnetic Heads (AREA)
KR1019840004047A 1983-08-27 1984-07-11 Vtr용 자기 헤드 Expired KR890003180B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP155727 1983-08-27
JP58155727A JPS6050605A (ja) 1983-08-27 1983-08-27 Ｖｔｒ用磁気ヘツド
JP58-155727 1983-08-27

Publications (2)

Publication Number Publication Date
KR850002628A KR850002628A (ko) 1985-05-15
KR890003180B1 true KR890003180B1 (ko) 1989-08-25

Family

ID=15612142

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840004047A Expired KR890003180B1 (ko) 1983-08-27 1984-07-11 Vtr용 자기 헤드

Country Status (4)

Country Link
JP (1) JPS6050605A (enExample)
KR (1) KR890003180B1 (enExample)
DE (1) DE3431457A1 (enExample)
GB (1) GB2147608B (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR900007666B1 (ko) * 1984-11-12 1990-10-18 알프스 덴기 가부시기가이샤 자기헤드용 비정질 합금
US5164025A (en) * 1988-11-02 1992-11-17 Alps Electric Co., Ltd. Soft magnetic alloy film and a magnetic head using such soft a magnetic alloy film
KR920001939B1 (ko) * 1988-11-02 1992-03-07 알프스 덴기 가부시기가이샤 연자성합금막 및 그 연자성합금막을 사용한 자기헤드
KR920003999B1 (ko) * 1989-03-08 1992-05-21 알프스 덴기 가부시기가이샤 연자성 합금막
GB2232165A (en) * 1989-03-22 1990-12-05 Cookson Group Plc Magnetic compositions
JP2635422B2 (ja) * 1989-10-17 1997-07-30 アルプス電気株式会社 磁気ヘッド
DE69018422T2 (de) * 1989-12-28 1995-10-19 Toshiba Kawasaki Kk Auf Eisen basierende weichmagnetische Legierung, ihr Herstellungsverfahren und Magnetkern daraus.
JPH1196520A (ja) * 1997-09-17 1999-04-09 Fujitsu Ltd 磁気ヘッド及びその製造方法並びに該磁気ヘッドを備えた磁気記録装置
JP4842746B2 (ja) * 2006-09-20 2011-12-21 オリンパス株式会社 基板搬送装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365994A (en) * 1979-03-23 1982-12-28 Allied Corporation Complex boride particle containing alloys
JPS5644752A (en) * 1979-09-21 1981-04-24 Hitachi Ltd Ferromagnetic amorphous alloy

Also Published As

Publication number Publication date
GB2147608B (en) 1986-07-30
GB8421725D0 (en) 1984-10-03
GB2147608A (en) 1985-05-15
DE3431457A1 (de) 1985-03-14
JPS6050605A (ja) 1985-03-20
KR850002628A (ko) 1985-05-15
DE3431457C2 (enExample) 1987-12-23

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