KR960008706A - 고밀도 자기 기록용 자성 박막 재료 - Google Patents

고밀도 자기 기록용 자성 박막 재료 Download PDF

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Publication number
KR960008706A
KR960008706A KR1019940021749A KR19940021749A KR960008706A KR 960008706 A KR960008706 A KR 960008706A KR 1019940021749 A KR1019940021749 A KR 1019940021749A KR 19940021749 A KR19940021749 A KR 19940021749A KR 960008706 A KR960008706 A KR 960008706A
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KR
South Korea
Prior art keywords
thin film
film material
magnetic recording
high density
atomic
Prior art date
Application number
KR1019940021749A
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English (en)
Other versions
KR0147013B1 (ko
Inventor
신경호
이택동
손홍균
장평우
박창민
Original Assignee
김은영
한국과학기술연구원
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 김은영, 한국과학기술연구원 filed Critical 김은영
Priority to KR1019940021749A priority Critical patent/KR0147013B1/ko
Priority to US08/519,727 priority patent/US5560786A/en
Priority to JP7222825A priority patent/JP2836779B2/ja
Publication of KR960008706A publication Critical patent/KR960008706A/ko
Application granted granted Critical
Publication of KR0147013B1 publication Critical patent/KR0147013B1/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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
    • G11B5/657—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing inorganic, non-oxide compound of Si, N, P, B, H or C, e.g. in metal alloy or compound
    • 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
    • G11B5/62—Record carriers characterised by the selection of the material
    • 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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/73—Base 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
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73911—Inorganic substrates
    • G11B5/73917—Metallic substrates, i.e. elemental metal or metal alloy substrates
    • G11B5/73919—Aluminium or titanium elemental or alloy substrates
    • 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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/73—Base 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
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73911—Inorganic substrates
    • G11B5/73921—Glass or ceramic substrates
    • 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/851—Coating a support with a magnetic layer by sputtering

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  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Magnetic Record Carriers (AREA)
  • Physical Vapour Deposition (AREA)
  • Thin Magnetic Films (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)

Abstract

본 발명은 CoxCyPzMw(식 중, M은 백금 또는 니켈임)의 코발트(Co)계 고밀도 자기 기록용 박막 재료 및 그의 제조 방법에 관한 것이다. 본 발명의 박막 재료는 코발드계 합금 박막에 인(P)을 첨가한 Co-Cr-P-Pt 및 Co-Cr-P-Ni 합금 박막으로서, 보자력과 각형비가 높으며, 이러한 우수한 자기적 특성으로 인하여 고밀도 자기 기록에 유리하다.

Description

고밀도 자기 기록용 자성 박막 재료
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 자/7 기록용 박막 재료인 Co-Cr-P-Pt를 Ni-P/Al 기판에 증착시켰을 경우의 합금 조성에 따른 보자력(Hc)의 변화를 나타낸 그래프.
제2도는 본 발명에 따른 자기 기록용 박막 재료인 Co-Cr-P-Pt를 유리 기판에 증착시켰을 경우의 합금 조성에 따른 보자력(Hc)의 변화를 나타낸 그래프.
제3도는 본 발명에 따른 자기 기록용 박막 재료인 Co-Cr-P-Pt를 유리 기판에 증착시켰을 경우의 박막 두께에 따른 보자력(Hc)의 변화를 나타낸 그래프.
제4도는 본 발명에 따른 자기 기록용 박막 재료인 Co-Cr-P-Ni를 Ni-P/Al 기판 및 유리 기판에 증착시켰을 경우의 Ni 조성 변화에 따른 보자력(Hc)의 변화를 나타낸 그래프.

Claims (2)

  1. 하기 조성식의 자기 기록용 자성 박막 합금.
    CoxCryPzMw
    상기 식 중, M은 백금(Pt) 또는 니켈(Ni)이고, x는 원자%로서 60 이상, 90 이하이며, y는 원자%로서 0이상, 13 이하이고, Z는 원자%로서 1 이상, 15 이하이며, W는 원자%로서 0 이상, 30 이하이고, x+y+z+w=100이다.
  2. 제1항에 있어서, M이 백금(Pt)이고, x가 원자%로서 61이상, 85이하이며, y가 원자%로서 2 이상, 12이하이고, Z가 원자%로서 5 이상, 12이하이며, w가 원자 %로서 8이상, 15이하이고, x+y+z+w=100인 자기 기록용 자성 박막 합금.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940021749A 1994-08-31 1994-08-31 고밀도 자기 기록용 자성 박막 재료 KR0147013B1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019940021749A KR0147013B1 (ko) 1994-08-31 1994-08-31 고밀도 자기 기록용 자성 박막 재료
US08/519,727 US5560786A (en) 1994-08-31 1995-08-28 Magnetic thin film material for magnetic recording
JP7222825A JP2836779B2 (ja) 1994-08-31 1995-08-31 コバルト系磁性合金及び磁気記録用磁性合金薄膜材料

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940021749A KR0147013B1 (ko) 1994-08-31 1994-08-31 고밀도 자기 기록용 자성 박막 재료

Publications (2)

Publication Number Publication Date
KR960008706A true KR960008706A (ko) 1996-03-22
KR0147013B1 KR0147013B1 (ko) 1998-10-15

Family

ID=19391637

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940021749A KR0147013B1 (ko) 1994-08-31 1994-08-31 고밀도 자기 기록용 자성 박막 재료

Country Status (3)

Country Link
US (1) US5560786A (ko)
JP (1) JP2836779B2 (ko)
KR (1) KR0147013B1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101017330B1 (ko) * 2003-03-04 2011-02-28 노버트 브라우트푀르거 곡물 순환 장치

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7540099B2 (en) * 1994-08-17 2009-06-02 Akeva L.L.C. Heel support for athletic shoe
KR0163822B1 (ko) * 1995-05-17 1999-03-20 김은영 도난 방지기용 자기 센서 및 시스템
SG124309A1 (en) * 2005-01-25 2006-08-30 Sony Corp A material and uses thereof

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2200742A (en) * 1938-11-21 1940-05-14 Hardy Metallurg Company Treatment of phosphorus
US3578571A (en) * 1968-09-09 1971-05-11 Gen Precision Systems Inc Method of electrodepositing a magnetic alloy and electrolyte therefor
JPS59219907A (ja) * 1983-05-30 1984-12-11 Tdk Corp 垂直磁気記録媒体
JPS6044381A (ja) * 1983-08-22 1985-03-09 Seikosha Co Ltd 印字ヘツドの搬送制御装置
JPS6331535A (ja) * 1986-07-23 1988-02-10 Jgc Corp 炭素析出抑止性含炭素化合物処理装置
JPH0390547A (ja) * 1989-08-31 1991-04-16 Toshiba Corp 極薄の軟磁性合金薄帯の製造方法、それを用いた極薄の軟磁性合金薄帯と磁性コア、その磁性コアを組込んだ電子装置、および軟磁性合金薄帯製造装置
US5049451A (en) * 1990-08-15 1991-09-17 Hmt Technology Corporation High-coercivity thin-film recording medium
US5004652A (en) * 1990-08-15 1991-04-02 Hmt Technology Corporation High-coercivity thin-film recording medium and method
US5057200A (en) * 1990-08-15 1991-10-15 Hmt Technology Corporation Method of forming thin-film recording medium
JP3273374B2 (ja) * 1990-12-21 2002-04-08 株式会社アルバック 磁気記録体

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101017330B1 (ko) * 2003-03-04 2011-02-28 노버트 브라우트푀르거 곡물 순환 장치

Also Published As

Publication number Publication date
KR0147013B1 (ko) 1998-10-15
JP2836779B2 (ja) 1998-12-14
US5560786A (en) 1996-10-01
JPH0881724A (ja) 1996-03-26

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