DE69414740D1 - Magnetischer Aufzeichnungsmedium - Google Patents

Magnetischer Aufzeichnungsmedium

Info

Publication number
DE69414740D1
DE69414740D1 DE69414740T DE69414740T DE69414740D1 DE 69414740 D1 DE69414740 D1 DE 69414740D1 DE 69414740 T DE69414740 T DE 69414740T DE 69414740 T DE69414740 T DE 69414740T DE 69414740 D1 DE69414740 D1 DE 69414740D1
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
DE69414740T
Other languages
English (en)
Other versions
DE69414740T2 (de
Inventor
Kunihiro Ueda
Masashi Higo
Koji Kobayashi
Mitsuru Takai
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.)
TDK Corp
Original Assignee
TDK 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 TDK Corp filed Critical TDK Corp
Application granted granted Critical
Publication of DE69414740D1 publication Critical patent/DE69414740D1/de
Publication of DE69414740T2 publication Critical patent/DE69414740T2/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
    • 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]
    • Y10T428/3154—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
DE69414740T 1993-03-09 1994-03-09 Magnetischer Aufzeichnungsmedium Expired - Fee Related DE69414740T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7280693 1993-03-09

Publications (2)

Publication Number Publication Date
DE69414740D1 true DE69414740D1 (de) 1999-01-07
DE69414740T2 DE69414740T2 (de) 1999-04-15

Family

ID=13500014

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69414740T Expired - Fee Related DE69414740T2 (de) 1993-03-09 1994-03-09 Magnetischer Aufzeichnungsmedium

Country Status (4)

Country Link
US (1) US5512373A (de)
EP (1) EP0616321B1 (de)
KR (1) KR0140339B1 (de)
DE (1) DE69414740T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE518827C2 (sv) 1999-02-17 2002-11-26 Altitun Ab Metod för karakterisering av en avstämbar laser
US8679655B2 (en) * 2007-11-19 2014-03-25 Moresco Corporation Lubricant and magnetic disk
US20100006595A1 (en) * 2008-07-11 2010-01-14 Seagate Technology Llc Vacuum spray coating of lubricant for magnetic recording media

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5687236A (en) * 1979-12-14 1981-07-15 Hitachi Maxell Ltd Magnetic recording medium
JPS6010368A (ja) * 1983-06-30 1985-01-19 Fujitsu Ltd アドレス変換バツフア制御方式
JPS62236135A (ja) * 1986-04-08 1987-10-16 Hitachi Maxell Ltd 磁気記録媒体
JP2550031B2 (ja) * 1986-09-10 1996-10-30 株式会社日立製作所 磁気記録媒体
JPH07105035B2 (ja) * 1989-04-06 1995-11-13 松下電器産業株式会社 磁気記録媒体およびその製造方法
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
US5230964A (en) * 1989-10-05 1993-07-27 The Dow Chemical Company Magnetic recording media a comprising magnetic particles binder and (fluorinated phenoxy)(3-perfluoroalkylphenoxy)-cyclic phosphazene lubricant
JP2663405B2 (ja) * 1990-05-25 1997-10-15 トキコ株式会社 構造物の制振装置
US5128216A (en) * 1990-06-26 1992-07-07 Digital Equipment Corporation Lubricants for magnetic media
JPH0474313A (ja) * 1990-07-16 1992-03-09 Fuji Photo Film Co Ltd 磁気記録媒体
US5188747A (en) * 1990-09-04 1993-02-23 Matsushita Electric Industrial Co., Ltd. Fluorine-containing lubricant compounds
JPH0512656A (ja) * 1991-07-05 1993-01-22 Konica Corp 磁気記録媒体

Also Published As

Publication number Publication date
DE69414740T2 (de) 1999-04-15
US5512373A (en) 1996-04-30
EP0616321B1 (de) 1998-11-25
KR0140339B1 (ko) 1998-06-01
KR940022409A (ko) 1994-10-20
EP0616321A1 (de) 1994-09-21

Similar Documents

Publication Publication Date Title
DE69434923D1 (de) Aufzeichnungsmedium
DE69328696D1 (de) Magnetisches Aufzeichnungsmedium
DE69213636D1 (de) Magnetaufzeichnungsträger
DE69402216D1 (de) Magnetisches Aufzeichnungsmedium
DE69429602D1 (de) Informationsaufzeichnungsmedium
DE69222823D1 (de) Magnetisches Aufzeichnungsmedium
DE69211945D1 (de) Magnetisches Aufzeichnungsmedium
DE69417806D1 (de) Magnetooptischer Aufzeichnungsträger
DE69325331D1 (de) Magnetisches Aufzeichnungsmdedium
DE69421234D1 (de) Magnetooptisches Aufzeichnungsmedium
DE69608489D1 (de) Magnetisches Aufzeichnungsmedium
DE69326441D1 (de) Magnetisches aufzeichnungsmedium
DE69506672D1 (de) Magnetisches Aufzeichnungsmedium
DE59205483D1 (de) Magnetische Aufzeichnungsträger
DE59305529D1 (de) Magnetische Aufzeichnungsträger
DE69503282D1 (de) Magnetisches Aufzeichnungsmedium
DE69510017D1 (de) Magnetisches Aufzeichnungsmedium
DE69512473D1 (de) Magnetisches Aufzeichnungsmedium
DE69422546D1 (de) Magnetisches Aufzeichnungsmedium
DE69423336D1 (de) Magnetisches Aufzeichnungsmedium
DE69509004D1 (de) Magnetischer Aufzeichnungsmedium
DE69709477D1 (de) Magnetische Aufzeichnungsmedium
DE69421299D1 (de) Magneto-optisches Aufzeichnungsmedium
DE69530463D1 (de) Magnetisches aufzeichnungsmedium
DE69427011D1 (de) Magnetisches aufzeichnungsmedium

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee