JPH0536496B2 - - Google Patents

Info

Publication number
JPH0536496B2
JPH0536496B2 JP58065276A JP6527683A JPH0536496B2 JP H0536496 B2 JPH0536496 B2 JP H0536496B2 JP 58065276 A JP58065276 A JP 58065276A JP 6527683 A JP6527683 A JP 6527683A JP H0536496 B2 JPH0536496 B2 JP H0536496B2
Authority
JP
Japan
Prior art keywords
magnetic
magnetic head
amorphous
alloy
magnetic alloy
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 - Lifetime
Application number
JP58065276A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59193235A (ja
Inventor
Moichi Ootomo
Takayuki Kumasaka
Hideo Fujiwara
Shinji Takayama
Takeo Yamashita
Noritoshi Saito
Sanehiro Kudo
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP58065276A priority Critical patent/JPS59193235A/ja
Priority to KR1019840001952A priority patent/KR910009970B1/ko
Priority to DE8484302537T priority patent/DE3483278D1/de
Priority to EP84302537A priority patent/EP0122792B1/en
Publication of JPS59193235A publication Critical patent/JPS59193235A/ja
Priority to US07/217,979 priority patent/US4972285A/en
Publication of JPH0536496B2 publication Critical patent/JPH0536496B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/07—Alloys based on nickel or cobalt based on cobalt
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C45/00—Amorphous alloys
    • C22C45/04—Amorphous alloys with nickel or cobalt as the major constituent
    • 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
    • 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
    • H01F1/15316—Amorphous metallic alloys, e.g. glassy metals based on Co

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Dispersion Chemistry (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Soft Magnetic Materials (AREA)
  • Thin Magnetic Films (AREA)
JP58065276A 1983-04-15 1983-04-15 複合型磁気ヘッド Granted JPS59193235A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP58065276A JPS59193235A (ja) 1983-04-15 1983-04-15 複合型磁気ヘッド
KR1019840001952A KR910009970B1 (ko) 1983-04-15 1984-04-13 Co-Nb-Zr계 비정질 자성합금 및 이를 사용한 자기헤드
DE8484302537T DE3483278D1 (de) 1983-04-15 1984-04-13 Amorphe magnetische legierung des co-nb-zr systems und magnetkopf aus dieser legierung.
EP84302537A EP0122792B1 (en) 1983-04-15 1984-04-13 Amorphous magnetic alloy of co-nb-zr system and magnetic head made from the same
US07/217,979 US4972285A (en) 1983-04-15 1988-07-12 Amorphous magnetic alloy of Co-Nb-Zr system and magnetic head made from the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58065276A JPS59193235A (ja) 1983-04-15 1983-04-15 複合型磁気ヘッド

Publications (2)

Publication Number Publication Date
JPS59193235A JPS59193235A (ja) 1984-11-01
JPH0536496B2 true JPH0536496B2 (enExample) 1993-05-31

Family

ID=13282235

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58065276A Granted JPS59193235A (ja) 1983-04-15 1983-04-15 複合型磁気ヘッド

Country Status (5)

Country Link
US (1) US4972285A (enExample)
EP (1) EP0122792B1 (enExample)
JP (1) JPS59193235A (enExample)
KR (1) KR910009970B1 (enExample)
DE (1) DE3483278D1 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5224001A (en) * 1989-11-29 1993-06-29 Matsushita Electric Industrial Co., Ltd. Magnetic head
WO1992009091A1 (fr) * 1990-11-08 1992-05-29 Sony Corporation Matiere magnetique douce amorphe
US5087297A (en) * 1991-01-17 1992-02-11 Johnson Matthey Inc. Aluminum target for magnetron sputtering and method of making same
US5590008A (en) * 1991-04-25 1996-12-31 Hitachi, Ltd. Magnetic disc unit having a plurality of magnetic heads which include multilayer magnetic films
EP0650628B1 (en) * 1992-07-17 1997-09-24 Ampex Systems Corporation Composite metal and ferrite head transducer and manufacturing method therefor
KR950011125B1 (ko) * 1992-10-30 1995-09-28 엘지전자주식회사 자기헤드의 제조방법
US5602473A (en) * 1994-02-18 1997-02-11 Matsushita Electric Industrial Co., Ltd. Method and apparatus for analysis of magnetic characteristics of magnetic device, magnetic head, and magnetic recording and reproducing apparatus
JP4142753B2 (ja) 1996-12-26 2008-09-03 株式会社東芝 スパッタターゲット、スパッタ装置、半導体装置およびその製造方法
US20040032010A1 (en) * 2002-08-14 2004-02-19 Kools Jacques Constant Stefan Amorphous soft magnetic shielding and keeper for MRAM devices
JP7608926B2 (ja) * 2021-03-26 2025-01-07 株式会社レゾナック 磁気センサ

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981000861A1 (fr) * 1979-09-21 1981-04-02 Hitachi Metals Ltd Alliages amorphes
JPS5684439A (en) * 1979-12-13 1981-07-09 Takeshi Masumoto Cobalt based amorphous alloy having small magnetic strain and high permeability
JPS56124112A (en) * 1980-03-06 1981-09-29 Matsushita Electric Ind Co Ltd Magnetic head
JPS56169214A (en) * 1980-06-02 1981-12-25 Nippon Hoso Kyokai <Nhk> Magnetic head
JPS5789450A (en) * 1980-11-21 1982-06-03 Matsushita Electric Ind Co Ltd Amorphous magnetic alloy
JPS57155339A (en) * 1981-03-20 1982-09-25 Matsushita Electric Ind Co Ltd Magnetic head and production thereof
JPS57162116A (en) * 1981-03-30 1982-10-05 Hitachi Ltd Compound magnetic head and its manufacture
JPS5855557A (ja) * 1981-09-29 1983-04-01 Takeshi Masumoto 鉄族系非晶質合金
JPS5884957A (ja) * 1981-11-14 1983-05-21 Matsushita Electric Ind Co Ltd 非晶質磁性合金
JPS5898824A (ja) * 1981-12-09 1983-06-11 Matsushita Electric Ind Co Ltd 磁気ヘツド
US4578728A (en) * 1981-12-09 1986-03-25 Matsushita Electric Industrial Co., Ltd. Magnetic head
JPS58118015A (ja) * 1981-12-29 1983-07-13 Matsushita Electric Ind Co Ltd 磁気ヘツド
JPS58147538A (ja) * 1982-02-25 1983-09-02 Hiroyasu Fujimori スパツタ非晶質磁性材料及びその製造方法
JPS5998314A (ja) * 1982-11-26 1984-06-06 Seiko Epson Corp 薄膜磁気ヘツド

Also Published As

Publication number Publication date
KR910009970B1 (ko) 1991-12-07
DE3483278D1 (de) 1990-10-31
KR840008465A (ko) 1984-12-15
EP0122792A2 (en) 1984-10-24
EP0122792A3 (en) 1985-06-19
JPS59193235A (ja) 1984-11-01
US4972285A (en) 1990-11-20
EP0122792B1 (en) 1990-09-26

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