DE3889836T2 - Magnetischer Aufzeichnungsträger. - Google Patents

Magnetischer Aufzeichnungsträger.

Info

Publication number
DE3889836T2
DE3889836T2 DE3889836T DE3889836T DE3889836T2 DE 3889836 T2 DE3889836 T2 DE 3889836T2 DE 3889836 T DE3889836 T DE 3889836T DE 3889836 T DE3889836 T DE 3889836T DE 3889836 T2 DE3889836 T2 DE 3889836T2
Authority
DE
Germany
Prior art keywords
record carrier
magnetic record
magnetic
carrier
record
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 - Fee Related
Application number
DE3889836T
Other languages
English (en)
Other versions
DE3889836D1 (de
Inventor
Hiroki C O Mitsubishi Denk Ito
Yoshifumi C O Mitsubish Minowa
Nobutaka C O Mitsu Koshirakawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 JP62253800A external-priority patent/JPH0196824A/ja
Priority claimed from JP62253797A external-priority patent/JPH0196822A/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of DE3889836D1 publication Critical patent/DE3889836D1/de
Application granted granted Critical
Publication of DE3889836T2 publication Critical patent/DE3889836T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B5/72—Protective coatings, e.g. anti-static or antifriction
    • 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
    • G11B5/85—Coating a support with a magnetic layer by vapour deposition
    • 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
    • G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
    • G11B5/676—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers having magnetic layers separated by a nonmagnetic layer, e.g. antiferromagnetic layer, Cu layer or coupling layer
    • 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
DE3889836T 1987-10-09 1988-09-28 Magnetischer Aufzeichnungsträger. Expired - Fee Related DE3889836T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62253800A JPH0196824A (ja) 1987-10-09 1987-10-09 磁気記録媒体
JP62253797A JPH0196822A (ja) 1987-10-09 1987-10-09 磁気記録媒体

Publications (2)

Publication Number Publication Date
DE3889836D1 DE3889836D1 (de) 1994-07-07
DE3889836T2 true DE3889836T2 (de) 1994-10-20

Family

ID=26541399

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3889836T Expired - Fee Related DE3889836T2 (de) 1987-10-09 1988-09-28 Magnetischer Aufzeichnungsträger.

Country Status (4)

Country Link
EP (1) EP0310930B1 (de)
KR (1) KR920001981B1 (de)
CN (1) CN1025254C (de)
DE (1) DE3889836T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1049017C (zh) * 1995-05-31 2000-02-02 西南交通大学 一种在人工器官表面沉积氧化钛和氮化钛复合膜的方法
US7758982B2 (en) * 2005-09-02 2010-07-20 Hitachi Global Storage Technologies Netherlands B.V. SiN overcoat for perpendicular magnetic recording media
CN105059010B (zh) * 2015-08-03 2018-01-09 保定乐凯新材料股份有限公司 一种防止层间润湿的磁记录材料

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3064353D1 (en) * 1979-02-23 1983-09-01 Seikisui Chemical Co Ltd A process for producing a magnetic recording medium
JPS5736434A (en) * 1980-08-13 1982-02-27 Sekisui Chem Co Ltd Magnetic recording medium and its production
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
JPH0196824A (ja) * 1987-10-09 1989-04-14 Mitsubishi Electric Corp 磁気記録媒体

Also Published As

Publication number Publication date
DE3889836D1 (de) 1994-07-07
EP0310930A2 (de) 1989-04-12
EP0310930B1 (de) 1994-06-01
KR890007232A (ko) 1989-06-19
CN1025254C (zh) 1994-06-29
KR920001981B1 (ko) 1992-03-07
CN1032598A (zh) 1989-04-26
EP0310930A3 (en) 1990-07-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee