KR860009385A - 자기 기록체 - Google Patents

자기 기록체 Download PDF

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Publication number
KR860009385A
KR860009385A KR1019860003489A KR860003489A KR860009385A KR 860009385 A KR860009385 A KR 860009385A KR 1019860003489 A KR1019860003489 A KR 1019860003489A KR 860003489 A KR860003489 A KR 860003489A KR 860009385 A KR860009385 A KR 860009385A
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KR
South Korea
Prior art keywords
magnetic recording
magnetic
bottom film
alloy
film
Prior art date
Application number
KR1019860003489A
Other languages
English (en)
Other versions
KR900002971B1 (en
Inventor
히로아기 오구다이라
히도스 오가
마사고 후지사와
오시오 고하라
노브오 나가가와
Original Assignee
미쓰다 가쓰시게
가부시기가이샤 히다찌세이사꾸쇼
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 미쓰다 가쓰시게, 가부시기가이샤 히다찌세이사꾸쇼 filed Critical 미쓰다 가쓰시게
Publication of KR860009385A publication Critical patent/KR860009385A/ko
Application granted granted Critical
Publication of KR900002971B1 publication Critical patent/KR900002971B1/ko

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Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/73Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/7368Non-polymeric layer under the lowermost magnetic recording layer
    • G11B5/7371Non-magnetic single underlayer comprising nickel
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/73Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/7368Non-polymeric layer under the lowermost magnetic recording layer
    • G11B5/7369Two or more non-magnetic underlayers, e.g. seed layers or barrier layers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/73Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/739Magnetic recording media substrates
    • G11B5/73911Inorganic substrates
    • G11B5/73917Metallic substrates, i.e. elemental metal or metal alloy substrates
    • G11B5/73919Aluminium or titanium elemental or alloy substrates
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00Stock material or miscellaneous articles
    • Y10S428/90Magnetic feature
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/26Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264Up to 3 mils
    • Y10T428/2651 mil or less
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31678Of metal

Landscapes

  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Magnetic Record Carriers (AREA)
  • Chemically Coating (AREA)

Abstract

내용 없음

Description

자기 기록체
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 자기 디스크의 일반적인 구성을 도시한 단면도.
제2도는 니켈-텅스텐 |인 합금의 텅스텐 함유율과 자성화하는 온도와의 관계를 도시한 그래프.
제3도는 본 발명의 실시예 1에 있어서의 자기 디스크의 구성을 도시한 단면도.

Claims (6)

  1. 자성체 및 그 자성체의 아래에 마련한 비자성의 밑바닥 막을 가진 자기 기록체에 있어서, 그 밑바닥 막은 0.05at%-10at%의 텅스텐, 14at%-30at%의 인, 및 나머지 부분이 니켈로 되는 합금으로 구성되어 있는 것을 특징으로 하는 자기 기록체.
  2. 비자성 기판, 그 기판위에 마련한 밑바닥 막, 그 밑바닥 위에 마련한 자성체막, 그 자성체 막위의 보호막을 가진 자기 기록체에 있어서, 그 밑바닥 막은 0.05at%-10at%의 텅스텐, 14at%-30at%의 인, 및 나머지 부분이 니켈로 되는 합금으로 구성되어 있는 것을 특징으로 하는 자기 기록체.
  3. 상기 합금 및 동, 아연, 은, 금, 파라즘, 로듐, 망간, 몰리부덴, 레늄, 크롬, 바나듐, 티타늄 및 붕소로 되는 군에서 선택된 적어도 1원소를 가진 것을 특징으로 하는 특허청구의 범위 제1항 기재의 자기 기록체.
  4. 상기 밑바닥 막이 0.1at%-5at%의 텅스텐, 14at%-30at%의 인, 및 나머지 부분이 니켈로 된 합금으로 구성되어 있는 것을 특징으로 하는 특허청구의 범위 제1항 기재의 자기 기록체.
  5. 상기 밑바닥 막의 두께가 5-200μm인 것을 특징으로 하는 특허청구의 범위 제1항 기재의 자기 기록체.
  6. 상기 밑바닥 막의 두께가 10-100μm인 것을 특징으로 하는 특허청구의 범위 제5항 기재의 자기 기록체.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR8603489A 1985-05-15 1986-05-03 Magnetic recording medium KR900002971B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP60101291A JPS61260420A (ja) 1985-05-15 1985-05-15 磁気記録体
JP101291 1985-05-15

Publications (2)

Publication Number Publication Date
KR860009385A true KR860009385A (ko) 1986-12-22
KR900002971B1 KR900002971B1 (en) 1990-05-03

Family

ID=14296739

Family Applications (1)

Application Number Title Priority Date Filing Date
KR8603489A KR900002971B1 (en) 1985-05-15 1986-05-03 Magnetic recording medium

Country Status (4)

Country Link
US (1) US4735853A (ko)
JP (1) JPS61260420A (ko)
KR (1) KR900002971B1 (ko)
DE (1) DE3616006A1 (ko)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5153044A (en) * 1987-02-25 1992-10-06 Komag, Inc. Magnetic disk for longitudinal recording comprising an amorphous intermediate layer
US4786564A (en) * 1987-02-25 1988-11-22 Komag, Inc. Method for manufacturing a magnetic disk having reduced bit shift, minimized noise, increased resolution and uniform magnetic characteristics, and the resulting disk
JP2834392B2 (ja) * 1993-06-23 1998-12-09 ストアメディア インコーポレーテッド 金属薄膜型磁気記録媒体とその製造方法
CA2178146C (en) * 1995-06-06 2002-01-15 Mark W. Zitko Electroless nickel cobalt phosphorous composition and plating process
US5789090A (en) * 1996-02-05 1998-08-04 Stormedia, Inc. Metallic thin-film magnetic recording media
JP2000239827A (ja) * 1998-12-22 2000-09-05 Bridgestone Corp 積層構造体及びその製造方法
US6833173B1 (en) * 1999-09-27 2004-12-21 Fuji Photo Film Co., Ltd. Floppy disk including a seed layer and a primer layer with specified relative properties
US7037421B2 (en) * 2000-05-19 2006-05-02 Alps Electric Co., Ltd. Thin-film magnetic head having magnetic gap formed of NiP
US20130065069A1 (en) * 2011-09-09 2013-03-14 Yun Li Liu Electrodeposition of Hard Magnetic Coatings

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4224381A (en) * 1978-10-19 1980-09-23 Poly Disc Systems, Inc. Abrasion resistant magnetic record members
JPS5758226A (en) * 1980-09-22 1982-04-07 Toshiba Corp Magnetic recording medium
JPS5771524A (en) * 1980-10-22 1982-05-04 Dainippon Printing Co Ltd Magnetic recording medium
JPS5842741A (ja) * 1981-09-07 1983-03-12 Res Inst Electric Magnetic Alloys 磁気記録再生ヘツド用耐摩耗性高透磁率合金およびその製造法ならびに磁気記録再生ヘツド
US4621030A (en) * 1982-07-19 1986-11-04 Hitachi, Ltd. Perpendicular magnetic recording medium and manufacturing method thereof
JPS60101710A (ja) * 1983-11-05 1985-06-05 Alps Electric Co Ltd 垂直磁気記録媒体
JPS61168122A (ja) * 1985-01-18 1986-07-29 Yokogawa Electric Corp 磁気デイスク

Also Published As

Publication number Publication date
KR900002971B1 (en) 1990-05-03
DE3616006C2 (ko) 1989-11-02
DE3616006A1 (de) 1986-11-20
JPS61260420A (ja) 1986-11-18
US4735853A (en) 1988-04-05

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