DE3816467C2 - - Google Patents

Info

Publication number
DE3816467C2
DE3816467C2 DE3816467A DE3816467A DE3816467C2 DE 3816467 C2 DE3816467 C2 DE 3816467C2 DE 3816467 A DE3816467 A DE 3816467A DE 3816467 A DE3816467 A DE 3816467A DE 3816467 C2 DE3816467 C2 DE 3816467C2
Authority
DE
Germany
Prior art keywords
lubricant
film
magnetic
group
atoms
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 - Lifetime
Application number
DE3816467A
Other languages
German (de)
English (en)
Other versions
DE3816467A1 (de
Inventor
Takanori Kokubunji Tokio/Tokyo Jp Kudo
Takashi Fuchu Tokio/Tokyo Jp Nishimura
Heigo Tokio/Tokyo Jp Ishihara
Kazuetsu Kodaira Tokio/Tokyo Jp Yoshida
Masaaki Kanagawa Jp Futamoto
Toyoji Tokio/Tokyo Jp Okuwaki
Yoshihiro Hachiouji Tokio/Tokyo Jp Shiroishi
Tomoyuki Kokubunji Tokio/Tokyo Jp Ohno
Motoo Tokio/Tokyo Jp Akagi
Masayuki Kodaira Tokio/Tokyo Jp Katsumoto
Shinichiro Tokio/Tokyo Jp Saito
Osamu Toride Ibaraki Jp Kitakami
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.)
Hitachi Ltd
Maxell Holdings Ltd
Original Assignee
Hitachi Ltd
Hitachi Maxell 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 Hitachi Ltd, Hitachi Maxell Ltd filed Critical Hitachi Ltd
Publication of DE3816467A1 publication Critical patent/DE3816467A1/de
Application granted granted Critical
Publication of DE3816467C2 publication Critical patent/DE3816467C2/de
Granted 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

Landscapes

  • Magnetic Record Carriers (AREA)
  • Lubricants (AREA)
  • Paints Or Removers (AREA)
DE3816467A 1987-05-13 1988-05-13 Magnetaufzeichnungsmedium Granted DE3816467A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62114847A JPS63281218A (ja) 1987-05-13 1987-05-13 磁気記録媒体

Publications (2)

Publication Number Publication Date
DE3816467A1 DE3816467A1 (de) 1988-12-08
DE3816467C2 true DE3816467C2 (fr) 1990-08-16

Family

ID=14648197

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3816467A Granted DE3816467A1 (de) 1987-05-13 1988-05-13 Magnetaufzeichnungsmedium

Country Status (2)

Country Link
JP (1) JPS63281218A (fr)
DE (1) DE3816467A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5462810A (en) 1993-01-15 1995-10-31 Basf Magnetics Gmbh Magnetic recording medium

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68925776T2 (de) * 1988-10-14 1996-10-02 Matsushita Electric Ind Co Ltd Organische Fluorverbindungen
IT1241402B (it) * 1990-03-02 1994-01-14 Enichem Sintesi Agenti scivolanti
JP3130674B2 (ja) * 1992-04-10 2001-01-31 富士写真フイルム株式会社 磁気記録媒体
DE4300857A1 (de) * 1993-01-15 1994-07-21 Basf Magnetics Gmbh Magnetisches Aufzeichnungsmedium
DE19536504C2 (de) * 1995-09-29 1999-09-23 H Meinert Verwendung fluorierter Alkane

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4268556A (en) * 1979-01-08 1981-05-19 Minnesota Mining And Manufacturing Company Rigid magnetic recording disks lubricated with fluorinated telechelic polyether
JPS59116931A (ja) * 1982-12-23 1984-07-06 Seiko Epson Corp 磁気記録媒体の潤滑層形成法
JPS61253634A (ja) * 1985-05-01 1986-11-11 Hitachi Maxell Ltd 磁気記録媒体
JP2526545B2 (ja) * 1986-04-07 1996-08-21 ソニー株式会社 磁気記録媒体

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5462810A (en) 1993-01-15 1995-10-31 Basf Magnetics Gmbh Magnetic recording medium

Also Published As

Publication number Publication date
JPS63281218A (ja) 1988-11-17
DE3816467A1 (de) 1988-12-08

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee