DE69109094D1 - Magnetische Aufzeichnungsträger. - Google Patents

Magnetische Aufzeichnungsträger.

Info

Publication number
DE69109094D1
DE69109094D1 DE69109094T DE69109094T DE69109094D1 DE 69109094 D1 DE69109094 D1 DE 69109094D1 DE 69109094 T DE69109094 T DE 69109094T DE 69109094 T DE69109094 T DE 69109094T DE 69109094 D1 DE69109094 D1 DE 69109094D1
Authority
DE
Germany
Prior art keywords
magnetic recording
recording media
media
magnetic
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 - Lifetime
Application number
DE69109094T
Other languages
English (en)
Other versions
DE69109094T2 (de
Inventor
Hirofumi Kondo
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69109094D1 publication Critical patent/DE69109094D1/de
Publication of DE69109094T2 publication Critical patent/DE69109094T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • Y10T428/31544—Addition polymer is perhalogenated
DE69109094T 1991-05-16 1991-05-16 Magnetische Aufzeichnungsträger. Expired - Lifetime DE69109094T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP91107988A EP0513418B1 (de) 1991-05-16 1991-05-16 Magnetische Aufzeichnungsträger
US07/701,833 US5741593A (en) 1991-05-16 1991-05-17 Magnetic recording medium

Publications (2)

Publication Number Publication Date
DE69109094D1 true DE69109094D1 (de) 1995-05-24
DE69109094T2 DE69109094T2 (de) 1995-11-30

Family

ID=26128856

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69109094T Expired - Lifetime DE69109094T2 (de) 1991-05-16 1991-05-16 Magnetische Aufzeichnungsträger.

Country Status (3)

Country Link
US (1) US5741593A (de)
EP (1) EP0513418B1 (de)
DE (1) DE69109094T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3240654B2 (ja) * 1991-06-20 2001-12-17 ソニー株式会社 パーフルオロポリエーテル誘導体及びこれを用いた潤滑剤並びに磁気記録媒体
GB2286598B (en) * 1994-02-04 1998-07-08 Sony Corp Magnetic head coated with magnetic-head cleaning solution
US20100009216A1 (en) * 2008-07-08 2010-01-14 Seagate Technology Llc Perfluoropolyether lubricant thin film for thin film storage medium
KR20200021200A (ko) * 2018-08-20 2020-02-28 삼성전자주식회사 표면 코팅재, 필름, 적층체 및 표시 장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59119538A (ja) * 1982-12-25 1984-07-10 Tdk Corp 磁気記録媒体
JPH0224829A (ja) * 1988-07-14 1990-01-26 Hitachi Ltd 磁気記録媒体およびその製造法ならびにその表面処理剤
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
US5091269A (en) * 1989-12-14 1992-02-25 Sony Corporation Magnetic recording medium lubricant consisting of an amine salt of carboxylic acid, an amine salt of perfluoroalkyl carboxylic acid or an fluoro amine salt of perfluoro carboxylic acid

Also Published As

Publication number Publication date
EP0513418A1 (de) 1992-11-19
EP0513418B1 (de) 1995-04-19
DE69109094T2 (de) 1995-11-30
US5741593A (en) 1998-04-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

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