DE69011066D1 - Weichmagnetische dünne Filme auf Fe-N-Basis und solche Filme verwendender Magnetkopf. - Google Patents

Weichmagnetische dünne Filme auf Fe-N-Basis und solche Filme verwendender Magnetkopf.

Info

Publication number
DE69011066D1
DE69011066D1 DE69011066T DE69011066T DE69011066D1 DE 69011066 D1 DE69011066 D1 DE 69011066D1 DE 69011066 T DE69011066 T DE 69011066T DE 69011066 T DE69011066 T DE 69011066T DE 69011066 D1 DE69011066 D1 DE 69011066D1
Authority
DE
Germany
Prior art keywords
films
magnetic head
soft magnetic
thin films
magnetic thin
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 - Fee Related
Application number
DE69011066T
Other languages
English (en)
Other versions
DE69011066T2 (de
Inventor
Kenji Katori
Masatoshi Hayakawa
Koichi Aso
Kazuhiko Hayashi
Kazuo Kajiwara
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.)
Sony Corp
Original Assignee
Sony Corp
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
Priority claimed from JP2046322A external-priority patent/JP2808796B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69011066D1 publication Critical patent/DE69011066D1/de
Publication of DE69011066T2 publication Critical patent/DE69011066T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/1875—"Composite" pole pieces, i.e. poles composed in some parts of magnetic particles and in some other parts of magnetic metal layers
    • G11B5/1877—"Composite" pole pieces, i.e. poles composed in some parts of magnetic particles and in some other parts of magnetic metal layers including at least one magnetic thin film
    • G11B5/1878—"Composite" pole pieces, i.e. poles composed in some parts of magnetic particles and in some other parts of magnetic metal layers including at least one magnetic thin film disposed immediately adjacent to the transducing gap, e.g. "Metal-In-Gap" structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
    • H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
    • H01F10/12—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys
    • H01F10/14—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys containing iron or nickel
    • H01F10/147—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys containing iron or nickel with lattice under strain, e.g. expanded by interstitial nitrogen
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/26—Thin magnetic films, e.g. of one-domain structure characterised by the substrate or intermediate layers
    • H01F10/265—Magnetic multilayers non exchange-coupled

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Thin Magnetic Films (AREA)
  • Magnetic Heads (AREA)
DE69011066T 1989-12-29 1990-12-28 Weichmagnetische dünne Filme auf Fe-N-Basis und solche Filme verwendender Magnetkopf. Expired - Fee Related DE69011066T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP34295389 1989-12-29
JP2046322A JP2808796B2 (ja) 1989-04-12 1990-02-27 軟磁性薄膜

Publications (2)

Publication Number Publication Date
DE69011066D1 true DE69011066D1 (de) 1994-09-01
DE69011066T2 DE69011066T2 (de) 1995-03-16

Family

ID=26386433

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69011066T Expired - Fee Related DE69011066T2 (de) 1989-12-29 1990-12-28 Weichmagnetische dünne Filme auf Fe-N-Basis und solche Filme verwendender Magnetkopf.

Country Status (3)

Country Link
US (1) US5182690A (de)
EP (1) EP0435325B1 (de)
DE (1) DE69011066T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0510699B1 (de) * 1991-04-24 1995-06-21 Nec Corporation Magnetische Struktur
JP2778494B2 (ja) * 1994-12-26 1998-07-23 日本電気株式会社 電極薄膜およびその電極薄膜を用いた磁気抵抗効果型ヘッド
US5889403A (en) * 1995-03-31 1999-03-30 Canon Denshi Kabushiki Kaisha Magnetic detecting element utilizing magnetic impedance effect
US6061212A (en) * 1995-05-18 2000-05-09 Matsushita Electric Industrial Co., Ltd. Magnetic head with circular notches and magnetic recording/reproducing apparatus using the same
US6224719B1 (en) * 1999-05-13 2001-05-01 International Business Machines Corporation Sputtering method of manufacturing Fe-Ai-N-O laminated films using N2O as the reactive gas
KR20170053480A (ko) * 2015-11-06 2017-05-16 엘지이노텍 주식회사 연자성 합금

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59207415A (ja) * 1983-05-11 1984-11-24 Hitachi Ltd 複合型磁気ヘツドおよびその製造方法
JP2550996B2 (ja) * 1987-05-29 1996-11-06 ソニー株式会社 軟磁性薄膜
JP2781849B2 (ja) * 1987-07-14 1998-07-30 三洋電機株式会社 磁気ヘッド及びその製造方法
JP2692088B2 (ja) * 1987-10-13 1997-12-17 ソニー株式会社 軟磁性積層膜
US4969962A (en) * 1988-08-20 1990-11-13 Victor Company Of Japan, Ltd. Magnetic alloys for magnetic head

Also Published As

Publication number Publication date
US5182690A (en) 1993-01-26
DE69011066T2 (de) 1995-03-16
EP0435325B1 (de) 1994-07-27
EP0435325A2 (de) 1991-07-03
EP0435325A3 (en) 1991-07-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN

8339 Ceased/non-payment of the annual fee