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KR880011738A - 자기 기록매체 - Google Patents

자기 기록매체 Download PDF

Info

Publication number
KR880011738A
KR880011738A KR1019880002917A KR880002917A KR880011738A KR 880011738 A KR880011738 A KR 880011738A KR 1019880002917 A KR1019880002917 A KR 1019880002917A KR 880002917 A KR880002917 A KR 880002917A KR 880011738 A KR880011738 A KR 880011738A
Authority
KR
South Korea
Prior art keywords
magnetic recording
recording media
nonmagnetic metal
concentration distribution
diffused
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.)
Ceased
Application number
KR1019880002917A
Other languages
English (en)
Inventor
겐지 야자와
Original Assignee
오오가 노리오
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
Application filed by 오오가 노리오, 소니 가부시끼 가이샤 filed Critical 오오가 노리오
Publication of KR880011738A publication Critical patent/KR880011738A/ko
Ceased 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
    • G11B5/62—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
    • 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
    • G11B5/658—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing oxygen, e.g. molecular oxygen or magnetic oxide
    • 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9265—Special properties
    • Y10S428/928—Magnetic property
    • 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.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12931—Co-, Fe-, or Ni-base components, alternative to each other

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Thin Magnetic Films (AREA)

Abstract

내용 없음

Description

자기 기록매체
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 실시예의 강자서막에 대해서 오제 분석으로 측정한 막후 방향의 농도 분포를 도시하는 특성도.
제2도는 측정한 자기특성을 설명하기 위한 자화 곡선을 도시하는 특성도.
제3도는 실시예의 강자성막의 막구조를 도시하는 모식도.

Claims (1)

  1. 기체상에 형성된 강자성막중에 비자성 금속 및/또는 비자성 금속 산화물이 막후 방향으로 농도 분포가 대체로 동일하게 되도록 확산된 것을 특징으로 하는 자기 기록 매체.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880002917A 1987-03-25 1988-03-19 자기 기록매체 Ceased KR880011738A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62070967A JPS63237210A (ja) 1987-03-25 1987-03-25 磁気記録媒体
JP070967 1987-03-25

Publications (1)

Publication Number Publication Date
KR880011738A true KR880011738A (ko) 1988-10-31

Family

ID=13446802

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880002917A Ceased KR880011738A (ko) 1987-03-25 1988-03-19 자기 기록매체

Country Status (6)

Country Link
US (1) US4939046A (ko)
JP (1) JPS63237210A (ko)
KR (1) KR880011738A (ko)
DE (1) DE3810269A1 (ko)
FR (1) FR2613110B1 (ko)
GB (1) GB2202866B (ko)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2714698B2 (ja) * 1989-05-12 1998-02-16 富士写真フイルム株式会社 磁気記録媒体
JP2697227B2 (ja) * 1989-10-20 1998-01-14 富士電機株式会社 磁気記録媒体およびその製造方法
US5062938A (en) * 1990-01-16 1991-11-05 International Business Machines Corporation High coercivity low noise cobalt alloy magnetic recording medium and its manufacturing process
DE69230493T2 (de) * 1991-04-04 2000-05-04 Seagate Technology, Inc. Verfahren und vorrichtung zum sputtern mit hoher geschwindigkeit
US6294058B1 (en) * 1994-07-15 2001-09-25 United Module Corporation Enhanced methods and apparatus for producing micro-textured, thin film, magnetic disc media and compositely micro-textured disc media produced thereby
US5871621A (en) * 1994-09-27 1999-02-16 Komag, Incorporated Method of fabricating a textured magnetic storage disk
US5460704A (en) * 1994-09-28 1995-10-24 Motorola, Inc. Method of depositing ferrite film
MY138932A (en) * 2002-04-09 2009-08-28 Fuji Electric Co Ltd Magnetic recording medium and the method of manufacturing the same
DE10249959B4 (de) * 2002-10-26 2007-05-16 Fraunhofer Ges Forschung Verfahren und Vorrichtung zur Herstellung von Essigsäure
DE10250866B4 (de) 2002-10-31 2009-01-02 Qimonda Ag D-Flipflop

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5724027A (en) * 1980-07-16 1982-02-08 Tdk Corp Magnetic recording medium
JPS5758227A (en) * 1980-09-25 1982-04-07 Tdk Corp Magnetic recording medium
CA1188796A (en) * 1981-04-14 1985-06-11 Kenji Yazawa Magnetic recording medium
DE3328719C2 (de) * 1982-08-10 1985-07-25 Victor Company Of Japan, Ltd., Yokohama, Kanagawa Magnetisches Aufzeichnungsmaterial
JPS5930230A (ja) * 1982-08-12 1984-02-17 Sony Corp 金属薄膜型磁気記録媒体
JPS5968815A (ja) * 1982-10-12 1984-04-18 Sony Corp 磁気記録媒体
US4567116A (en) * 1983-08-06 1986-01-28 Canon Kabushiki Kaisha Magnetic recording medium
US4640755A (en) * 1983-12-12 1987-02-03 Sony Corporation Method for producing magnetic medium
JPS60154323A (ja) * 1984-01-20 1985-08-14 Sony Corp 磁気記録媒体
CA1235485A (en) * 1984-01-20 1988-04-19 Kenji Yazawa Magnetic recording medium
JPH0679374B2 (ja) * 1984-02-20 1994-10-05 ティーディーケイ株式会社 磁気記録媒体
JPH0618059B2 (ja) * 1984-04-11 1994-03-09 株式会社日立製作所 垂直磁気記録媒体

Also Published As

Publication number Publication date
JPS63237210A (ja) 1988-10-03
US4939046A (en) 1990-07-03
GB8806932D0 (en) 1988-04-27
DE3810269A1 (de) 1988-10-06
GB2202866B (en) 1991-07-03
FR2613110A1 (fr) 1988-09-30
GB2202866A (en) 1988-10-05
FR2613110B1 (fr) 1992-01-24

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Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19880319

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 19930111

Comment text: Request for Examination of Application

Patent event code: PA02011R01I

Patent event date: 19880319

Comment text: Patent Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19960330

Patent event code: PE09021S01D

E601 Decision to refuse application
PE0601 Decision on rejection of patent

Patent event date: 19960618

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 19960330

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I