KR890001029A - 연자성 박막 - Google Patents

연자성 박막 Download PDF

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Publication number
KR890001029A
KR890001029A KR1019880007871A KR880007871A KR890001029A KR 890001029 A KR890001029 A KR 890001029A KR 1019880007871 A KR1019880007871 A KR 1019880007871A KR 880007871 A KR880007871 A KR 880007871A KR 890001029 A KR890001029 A KR 890001029A
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KR
South Korea
Prior art keywords
thin film
soft magnetic
magnetic thin
atomic
essentially
Prior art date
Application number
KR1019880007871A
Other languages
English (en)
Other versions
KR970002825B1 (ko
Inventor
가즈히꼬 하야시
마사또시 하야까와
겐지 가도리
고이찌 아소
Original Assignee
오오가노리오
소니 가부시끼 가이샤
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 JP62163593A external-priority patent/JP2508489B2/ja
Priority claimed from JP62163594A external-priority patent/JP2551008B2/ja
Application filed by 오오가노리오, 소니 가부시끼 가이샤 filed Critical 오오가노리오
Publication of KR890001029A publication Critical patent/KR890001029A/ko
Application granted granted Critical
Publication of KR970002825B1 publication Critical patent/KR970002825B1/ko

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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
    • 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
    • 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
    • H01F10/16—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys containing cobalt
    • 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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12465—All metal or with adjacent metals having magnetic properties, or preformed fiber orientation coordinate with shape
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Thin Magnetic Films (AREA)

Abstract

내용 없음

Description

연자성 박막
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 본 발명에 따른 FeCoNi 합금의 성분 범위를 보여주는 삼원 시스템 도표,
제 2 도는 FeCoNi 박막의 단일층 피막과 적층된 피막의 점을 측정하는 보자력의 성분을 보여주는 삼원 시스템 도표,
제 3 (A)도 및 제3(B)도는 Fe30Co40Ni30박막의 단일층과 적층된 피막에 있어서의 히스테리시트곡선을 보여주는 특성으로써, 제 3 (A)도는 Fe86Si14박막을 가즌 단일층 피막을, 제 3 (B)도는 적층된 피막을 나타내는 도면.

Claims (6)

  1. Fe, Co 및 Ni을 본질적으로 포함하는 연자성 박막에 있어서, 성분 범위는 20 내지 40원자%의 Fe, 15 내지 55원자%의 Co 및 20 내지 55원자%의 Ni인것을 특징으로 하는 연자성 박막.
  2. 본질적으로 Fe, Co 및 Ni을 포함하고, 성분 범위는 20 재지 40원자%의 Fe, 15 내지 55원자%의 Co 및 20 내지 55원자%의 Ni인 제 1 연자성 박막층과, 체심 입자 격자 구조를 갖는 제 2 연자성 막막층의 적층을 구비하는 것을 특징으로 하는 연자성 박막.
  3. 제 2 항에 있어서, 상기 제 2 연자성 박막은 FeSi합금 박막인 것을 특징으로 하는 연자성 박막.
  4. 본질적으로 Fe 및 Co와 0.1 내지 5원자%인 Dy를 포함하는 것을 특징으로 하는 연자성 박막.
  5. 본질적으로 Fe 및 Co와 0.1 내지 5원자%인 Dy를 포함하는 제 1 연자성 박막과 면심 입방 격자 구조를 갖는 제 2 연자성 박막의 적층을 구비하는 것을 특징으로 하는 연자성 박막.
  6. 제 5 항에 있어서, 상기 제 2 연자성 박막은 적어도 하나의 FeNi합금 박막과 FeCoNi합금 박막인 것을 특징으로 하는 연자성 박막.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880007871A 1987-06-30 1988-06-29 연자성 박막 KR970002825B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP163593 1987-06-30
JP163594 1987-06-30
JP62-163594 1987-06-30
JP62163593A JP2508489B2 (ja) 1987-06-30 1987-06-30 軟磁性薄膜
JP62163594A JP2551008B2 (ja) 1987-06-30 1987-06-30 軟磁性薄膜
JP62-163593 1987-06-30

Publications (2)

Publication Number Publication Date
KR890001029A true KR890001029A (ko) 1989-03-17
KR970002825B1 KR970002825B1 (ko) 1997-03-12

Family

ID=26488981

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880007871A KR970002825B1 (ko) 1987-06-30 1988-06-29 연자성 박막

Country Status (5)

Country Link
US (1) US5057380A (ko)
EP (1) EP0297776B1 (ko)
KR (1) KR970002825B1 (ko)
CA (1) CA1338255C (ko)
DE (1) DE3882832T2 (ko)

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* Cited by examiner, † Cited by third party
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KR100394993B1 (ko) * 2001-02-20 2003-08-19 한국과학기술연구원 ＦｅＣｏＮｉＮ계 연자성 박막합금 조성물

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JP3456204B2 (ja) 2001-01-09 2003-10-14 日立金属株式会社 磁気式エンコーダー
DE3921146A1 (de) * 1989-06-28 1991-01-10 Basf Ag Hochkoerzitiver magnetstreifen
US5287239A (en) * 1989-07-05 1994-02-15 Kabushiki Kaisha Toshiba Magnetic head using high saturated magnetic flux density film and manufacturing method thereof
JP2698814B2 (ja) * 1989-07-10 1998-01-19 富士写真フイルム株式会社 軟磁性薄膜
JPH05304026A (ja) * 1992-02-29 1993-11-16 Sony Corp 軟磁性薄膜とこれを用いた磁気ヘッド
EP0646277A1 (en) * 1992-06-16 1995-04-05 The Regents Of The University Of California Giant magnetoresistant single film alloys
US5549978A (en) * 1992-10-30 1996-08-27 Kabushiki Kaisha Toshiba Magnetoresistance effect element
JPH06151171A (ja) * 1992-11-02 1994-05-31 Matsushita Electric Ind Co Ltd 軟磁性薄膜体とその製造方法およびそれを用いた磁気ヘッド
JPH06318516A (ja) * 1993-05-06 1994-11-15 Mitsubishi Electric Corp 軟磁性多層膜およびこれを用いた磁気ヘッド
JPH0785401A (ja) * 1993-09-13 1995-03-31 Sony Corp 磁気記録方式
JP3574186B2 (ja) * 1994-09-09 2004-10-06 富士通株式会社 磁気抵抗効果素子
JPH08287422A (ja) * 1995-04-07 1996-11-01 Alps Electric Co Ltd 磁気抵抗効果型ヘッド
US5989673A (en) * 1997-06-30 1999-11-23 Sony Corporation Caromium-tantalum oxides (Cr-TaOx), sputtering targets and thin film seedlayer/sublayers for thin film magnetic recording media
JP2821456B1 (ja) * 1997-07-03 1998-11-05 学校法人早稲田大学 コバルト・鉄・ニッケル磁性薄膜とその製造方法，及びそれを用いた複合型薄膜磁気ヘッドと磁気記憶装置
US6440589B1 (en) * 1999-06-02 2002-08-27 International Business Machines Corporation Magnetic media with ferromagnetic overlay materials for improved thermal stability
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JP3708856B2 (ja) * 2001-09-07 2005-10-19 アルプス電気株式会社 軟磁性膜と前記軟磁性膜を用いた薄膜磁気ヘッド、および前記軟磁性膜の製造方法と前記薄膜磁気ヘッドの製造方法
US7688545B1 (en) * 2002-09-11 2010-03-30 Seagate Technology Llc Recording head writer with high magnetic moment material at the writer gap and associated process
US8177955B2 (en) * 2004-06-03 2012-05-15 Headway Technologies, Inc. Electrodeposition of FeCoNiV films with high resistivity and high saturation magnetization for magnetic head fabrication
KR100640221B1 (ko) * 2005-03-08 2006-10-31 한국과학기술연구원 전기도금된 고특성 ＣｏＦｅＮｉ연자성합금 박막 및 그 제조방법
US8309238B2 (en) * 2005-12-26 2012-11-13 Showa Denko K.K. Magnetic recording medium and magnetic recording and reproducing device
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100394993B1 (ko) * 2001-02-20 2003-08-19 한국과학기술연구원 ＦｅＣｏＮｉＮ계 연자성 박막합금 조성물

Also Published As

Publication number Publication date
DE3882832T2 (de) 1994-02-10
US5057380A (en) 1991-10-15
DE3882832D1 (de) 1993-09-09
CA1338255C (en) 1996-04-23
EP0297776A1 (en) 1989-01-04
EP0297776B1 (en) 1993-08-04
KR970002825B1 (ko) 1997-03-12

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