DE3788275T2 - Oberflächenschmiermittel für Speicheroberfläche und Verfahren zur Verminderung ihrer Abnutzung. - Google Patents

Oberflächenschmiermittel für Speicheroberfläche und Verfahren zur Verminderung ihrer Abnutzung.

Info

Publication number
DE3788275T2
DE3788275T2 DE3788275T DE3788275T DE3788275T2 DE 3788275 T2 DE3788275 T2 DE 3788275T2 DE 3788275 T DE3788275 T DE 3788275T DE 3788275 T DE3788275 T DE 3788275T DE 3788275 T2 DE3788275 T2 DE 3788275T2
Authority
DE
Germany
Prior art keywords
wear
reducing
methods
storage surfaces
surface lubricants
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
DE3788275T
Other languages
English (en)
Other versions
DE3788275D1 (de
Inventor
Duncan Frew
Robert Shadwick
Michael Braitberg
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.)
Unisys Corp
Original Assignee
Unisys 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
Application filed by Unisys Corp filed Critical Unisys Corp
Publication of DE3788275D1 publication Critical patent/DE3788275D1/de
Application granted granted Critical
Publication of DE3788275T2 publication Critical patent/DE3788275T2/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
    • G11B5/7257—Perfluoropolyether lubricant
    • 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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/72—Protective coatings, e.g. anti-static or antifriction
    • G11B5/726—Two or more protective coatings
    • G11B5/7262—Inorganic protective coating
    • G11B5/7264—Inorganic carbon protective coating, e.g. graphite, diamond like carbon or doped carbon
    • G11B5/7266—Inorganic carbon protective coating, e.g. graphite, diamond like carbon or doped carbon comprising a lubricant over the inorganic carbon coating
    • 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
    • Y10T428/30—Self-sustaining carbon mass or layer with impregnant or other 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
    • 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]
    • Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
    • Y10T428/31544—Addition polymer is perhalogenated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Magnetic Record Carriers (AREA)
  • Lubricants (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
DE3788275T 1986-08-28 1987-08-17 Oberflächenschmiermittel für Speicheroberfläche und Verfahren zur Verminderung ihrer Abnutzung. Expired - Fee Related DE3788275T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US90223986A 1986-08-28 1986-08-28
PCT/US1987/001992 WO1988001781A1 (en) 1986-08-28 1987-08-17 Surface lubricants for recording surface

Publications (2)

Publication Number Publication Date
DE3788275D1 DE3788275D1 (de) 1994-01-05
DE3788275T2 true DE3788275T2 (de) 1994-05-19

Family

ID=25415535

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3788275T Expired - Fee Related DE3788275T2 (de) 1986-08-28 1987-08-17 Oberflächenschmiermittel für Speicheroberfläche und Verfahren zur Verminderung ihrer Abnutzung.

Country Status (8)

Country Link
US (1) US5143787A (de)
EP (1) EP0279843B1 (de)
JP (1) JPH01501185A (de)
KR (1) KR920006125B1 (de)
AT (1) ATE97758T1 (de)
CA (1) CA1311049C (de)
DE (1) DE3788275T2 (de)
WO (1) WO1988001781A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2781656B2 (ja) * 1990-11-21 1998-07-30 株式会社日立製作所 記録媒体
EP0523607B1 (de) * 1991-07-15 1997-05-07 Matsushita Electric Industrial Co., Ltd. Magnetisches Aufzeichnungsmedium, Gleitkörper und Methode zu ihrer Herstellung
US5331487A (en) * 1992-01-16 1994-07-19 International Business Machines Corporation Direct access storage device with vapor phase lubricant system and a magnetic disk having a protective layer and immobile physically bonded lubricant layer
WO1994011878A1 (en) * 1992-11-13 1994-05-26 Conner Peripherals, Inc. Liquid recirculation in an information storage device
US5396383A (en) * 1992-12-29 1995-03-07 International Business Machines Integral lubricating fluid delivery system for a flying head in a magnetic disk storage system
JP2746073B2 (ja) * 1993-08-25 1998-04-28 日本電気株式会社 磁気記憶体の製造方法
US6296917B1 (en) * 1995-10-18 2001-10-02 Hitachi, Ltd. Magnetic disk and magnetic recording/reproduction apparatus
US6589641B1 (en) 1998-06-04 2003-07-08 Seagate Technology Llc Thin films of crosslinked fluoropolymer on a carbon substrate
US6617011B2 (en) * 1999-05-07 2003-09-09 Seagate Technology Llc Elastomeric lubricants for magnetic recording media
US6680079B1 (en) 2000-06-02 2004-01-20 Seagate Technology Llc Planarization and corrosion protection of patterned magnetic media
US6849304B1 (en) 2001-03-16 2005-02-01 Seagate Technology Llc Method of forming lubricant films
US6627302B1 (en) * 2001-03-27 2003-09-30 Seagate Technology Llc Lubricant overcoat for recording media and a process for making the same
US7276262B2 (en) * 2003-09-30 2007-10-02 Hitachi Global Storage Technologies Netherlands B.V. Control of process timing during manufacturing of magnetic thin film disks
US7247397B2 (en) * 2003-12-09 2007-07-24 Imation Corp. Thermally stable perfluoropolyether lubricant for recording media
US7508632B2 (en) * 2005-07-25 2009-03-24 Seagate Technology Llc Head-disc interface (HDI) with solid lubricants

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2096920B (en) * 1981-02-19 1984-06-06 Fuji Photo Film Co Ltd Metallic magnetic medium and process for its production
EP0123707B1 (de) * 1983-05-02 1987-10-21 Ibm Deutschland Gmbh Anordnung aus einer mit einem Schmierstoff versehenen Magnetplatte und einem Magnetkopf und Verfahren zum Herstellen der Anordnung
US4529659A (en) * 1983-11-05 1985-07-16 Nippon Telegraph & Telephone Public Corporation Magnetic recording member and process for manufacturing the same
JPS60223026A (ja) * 1984-04-18 1985-11-07 Yokogawa Hokushin Electric Corp 磁気デイスク
US4696845A (en) * 1984-08-27 1987-09-29 Nec Corporation Magnetic storage medium with lubricating coating
JPH0610867B2 (ja) * 1984-10-22 1994-02-09 日本電気株式会社 磁気記憶体
JPH0619832B2 (ja) * 1984-08-27 1994-03-16 日本電気株式会社 磁気記憶体
JPH079697B2 (ja) * 1984-10-22 1995-02-01 日本電気株式会社 磁気記憶体
US4797303A (en) * 1985-09-04 1989-01-10 Unisys Corp. Surface lubricants for disc record

Also Published As

Publication number Publication date
KR920006125B1 (ko) 1992-07-27
US5143787A (en) 1992-09-01
CA1311049C (en) 1992-12-01
EP0279843B1 (de) 1993-11-24
EP0279843A1 (de) 1988-08-31
KR880701939A (ko) 1988-11-07
ATE97758T1 (de) 1993-12-15
DE3788275D1 (de) 1994-01-05
JPH01501185A (ja) 1989-04-20
EP0279843A4 (de) 1990-04-10
WO1988001781A1 (en) 1988-03-10

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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