DE69509004D1 - Magnetischer Aufzeichnungsmedium - Google Patents

Magnetischer Aufzeichnungsmedium

Info

Publication number
DE69509004D1
DE69509004D1 DE69509004T DE69509004T DE69509004D1 DE 69509004 D1 DE69509004 D1 DE 69509004D1 DE 69509004 T DE69509004 T DE 69509004T DE 69509004 T DE69509004 T DE 69509004T DE 69509004 D1 DE69509004 D1 DE 69509004D1
Authority
DE
Germany
Prior art keywords
recording medium
magnetic recording
magnetic
medium
recording
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
DE69509004T
Other languages
English (en)
Other versions
DE69509004T2 (de
Inventor
Kazuyuki Usuki
Toshio Ishida
Tadashi Yasunaga
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.)
Fujifilm Corp
Original Assignee
Fuji Photo Film Co Ltd
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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of DE69509004D1 publication Critical patent/DE69509004D1/de
Application granted granted Critical
Publication of DE69509004T2 publication Critical patent/DE69509004T2/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
    • G11B5/725—Protective coatings, e.g. anti-static or antifriction containing a lubricant, e.g. organic compounds
    • G11B5/7253—Fluorocarbon lubricant
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31678—Of metal
DE1995609004 1994-05-18 1995-05-17 Magnetischer Aufzeichnungsmedium Expired - Fee Related DE69509004T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10406494A JP3365043B2 (ja) 1994-05-18 1994-05-18 磁気記録媒体

Publications (2)

Publication Number Publication Date
DE69509004D1 true DE69509004D1 (de) 1999-05-20
DE69509004T2 DE69509004T2 (de) 1999-08-05

Family

ID=14370747

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1995609004 Expired - Fee Related DE69509004T2 (de) 1994-05-18 1995-05-17 Magnetischer Aufzeichnungsmedium

Country Status (4)

Country Link
US (1) US5560995A (de)
EP (1) EP0686967B1 (de)
JP (1) JP3365043B2 (de)
DE (1) DE69509004T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997047000A1 (en) * 1996-06-04 1997-12-11 Seagate Technology, Inc. Polymeric perfluoro polyether phosphate lubricant topcoat
US7510999B2 (en) * 2004-05-28 2009-03-31 Hitachi Global Storage Technologies Netherlands B.V. Lubricant composition for magnetic recording media
DE102006032391A1 (de) * 2006-07-04 2008-01-17 Merck Patent Gmbh Fluortenside
DE102006031151A1 (de) * 2006-07-04 2008-01-10 Merck Patent Gmbh Fluortenside
DE102006031149A1 (de) * 2006-07-04 2008-01-10 Merck Patent Gmbh Fluortenside
DE102006031143A1 (de) * 2006-07-04 2008-01-24 Merck Patent Gmbh Fluortenside
DE102006031262A1 (de) * 2006-07-04 2008-01-10 Merck Patent Gmbh Fluortenside
US7998912B2 (en) * 2009-09-14 2011-08-16 Wd Media, Inc. Composite lubricant for hard disk media

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61133027A (ja) * 1984-11-30 1986-06-20 Hitachi Maxell Ltd 磁気記録媒体
CA1297738C (en) * 1986-01-09 1992-03-24 Hirofumi Kondo Magnetic recording medium
US4847156A (en) * 1986-10-20 1989-07-11 Fuji Photo Film Co., Ltd. Magnetic recording medium
JP2680169B2 (ja) * 1989-07-11 1997-11-19 富士写真フイルム株式会社 磁気記録媒体
US5268227A (en) * 1989-07-14 1993-12-07 Fuji Photo Film Co., Ltd. Magnetic recording medium comprising a ferromagnetic metallic then film having a top coat of (a) a hydrocarbonsulfuric or hydrocarbonsulfonic acid or salt and (b) a fluorinated polyether
JPH06349053A (ja) * 1993-06-03 1994-12-22 Fuji Photo Film Co Ltd 磁気記録媒体

Also Published As

Publication number Publication date
EP0686967B1 (de) 1999-04-14
US5560995A (en) 1996-10-01
EP0686967A1 (de) 1995-12-13
DE69509004T2 (de) 1999-08-05
JPH07311936A (ja) 1995-11-28
JP3365043B2 (ja) 2003-01-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: FUJIFILM CORP., TOKIO/TOKYO, JP

8339 Ceased/non-payment of the annual fee