KR890004257B1 - 자기 기록매체 및 그 제조법 - Google Patents

자기 기록매체 및 그 제조법 Download PDF

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Publication number
KR890004257B1
KR890004257B1 KR1019850007146A KR850007146A KR890004257B1 KR 890004257 B1 KR890004257 B1 KR 890004257B1 KR 1019850007146 A KR1019850007146 A KR 1019850007146A KR 850007146 A KR850007146 A KR 850007146A KR 890004257 B1 KR890004257 B1 KR 890004257B1
Authority
KR
South Korea
Prior art keywords
magnetic
recording medium
magnetic recording
alloy
film
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
Application number
KR1019850007146A
Other languages
English (en)
Korean (ko)
Other versions
KR860003590A (ko
Inventor
도시오 안도
도시까즈 니시하라
아끼히로 기무라
Original Assignee
니뽕 빅터 가부시끼가이샤
이노우에 도시야
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 JP22583084A external-priority patent/JPH0628088B2/ja
Priority claimed from JP59236598A external-priority patent/JPS61115244A/ja
Application filed by 니뽕 빅터 가부시끼가이샤, 이노우에 도시야 filed Critical 니뽕 빅터 가부시끼가이샤
Publication of KR860003590A publication Critical patent/KR860003590A/ko
Application granted granted Critical
Publication of KR890004257B1 publication Critical patent/KR890004257B1/ko
Expired legal-status Critical Current

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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
    • G11B5/656—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing Co
    • 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
    • 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
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31678—Of metal

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Thin Magnetic Films (AREA)
KR1019850007146A 1984-10-29 1985-09-27 자기 기록매체 및 그 제조법 Expired KR890004257B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP225830 1984-10-29
JP22583084A JPH0628088B2 (ja) 1984-10-29 1984-10-29 磁気記録媒体
JP59236598A JPS61115244A (ja) 1984-11-12 1984-11-12 磁気記録媒体製造法
JP236598 1984-11-12

Publications (2)

Publication Number Publication Date
KR860003590A KR860003590A (ko) 1986-05-26
KR890004257B1 true KR890004257B1 (ko) 1989-10-28

Family

ID=26526848

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850007146A Expired KR890004257B1 (ko) 1984-10-29 1985-09-27 자기 기록매체 및 그 제조법

Country Status (3)

Country Link
US (2) US4711810A (enExample)
KR (1) KR890004257B1 (enExample)
DE (1) DE3538442A1 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2524514B2 (ja) * 1987-09-21 1996-08-14 日立マクセル株式会社 磁気記録媒体
US4950556A (en) * 1987-10-26 1990-08-21 Minnesota Mining And Manufacturing Company Magneto-optic recording medium
US5316631A (en) * 1989-02-16 1994-05-31 Victor Company Of Japan, Ltd. Method for fabricating a magnetic recording medium
JP2763165B2 (ja) * 1989-07-10 1998-06-11 株式会社東芝 磁気記録媒体の製造方法
US5066552A (en) * 1989-08-16 1991-11-19 International Business Machines Corporation Low noise thin film metal alloy magnetic recording disk
EP0443478A3 (en) * 1990-02-19 1992-03-11 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Magnetic recording medium and method for preparing the same
JP2623160B2 (ja) * 1990-09-07 1997-06-25 富士写真フイルム株式会社 磁気記録媒体
DE4443530A1 (de) * 1993-12-16 1995-06-22 Basf Magnetics Gmbh Magnetisches Aufzeichnungsmedium und Verfahren zur Herstellung desselben
US5736013A (en) * 1994-04-06 1998-04-07 Komag, Inc. Method for forming an improved magnetic media including sputtering of selected oxides or nitrides in the magnetic layer, and apparatus for same
US5702876A (en) * 1996-04-30 1997-12-30 Minnesota Mining And Manufacturing Company Photographic film base and color photographic material comprising a binderless magnetic layer
US6893746B1 (en) * 1999-10-29 2005-05-17 Hitachi Maxell, Ltd. Magnetic recording medium with high thermal stability, method for producing the same, and magnetic recording apparatus

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU531847B2 (en) * 1979-02-23 1983-09-08 Sekisui Kagaku Kogyo Kabushiki Kaisha Magnetic recording medium + process for production thereof
JPS6033289B2 (ja) * 1979-07-18 1985-08-02 松下電器産業株式会社 金属薄膜型磁気記録媒体
JPS5798133A (en) * 1980-12-05 1982-06-18 Matsushita Electric Ind Co Ltd Magnetic recording medium
JPS57152517A (en) * 1981-03-17 1982-09-20 Matsushita Electric Ind Co Ltd Magnetic recording medium
JPS5883328A (ja) * 1981-11-12 1983-05-19 Fuji Photo Film Co Ltd 磁気記録媒体
JPS5917216A (ja) * 1982-07-20 1984-01-28 Ulvac Corp 磁気記録体並にその製造法
JPS5961105A (ja) * 1982-09-30 1984-04-07 Fuji Photo Film Co Ltd 磁気記録媒体
JPS59119538A (ja) * 1982-12-25 1984-07-10 Tdk Corp 磁気記録媒体
JPS59177726A (ja) * 1983-03-28 1984-10-08 Toshiba Corp 垂直磁気デイスク記録媒体
US4599280A (en) * 1983-04-25 1986-07-08 Tdk Corporation Magnetic recording medium
JPS59203238A (ja) * 1983-04-30 1984-11-17 Tdk Corp 磁気記録媒体の製造方法

Also Published As

Publication number Publication date
KR860003590A (ko) 1986-05-26
US4743348A (en) 1988-05-10
DE3538442C2 (enExample) 1990-06-13
DE3538442A1 (de) 1986-04-30
US4711810A (en) 1987-12-08

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