DE3462076D1 - Lubricated magnetic record disk and a process for making it - Google Patents

Lubricated magnetic record disk and a process for making it

Info

Publication number
DE3462076D1
DE3462076D1 DE8484106067T DE3462076T DE3462076D1 DE 3462076 D1 DE3462076 D1 DE 3462076D1 DE 8484106067 T DE8484106067 T DE 8484106067T DE 3462076 T DE3462076 T DE 3462076T DE 3462076 D1 DE3462076 D1 DE 3462076D1
Authority
DE
Germany
Prior art keywords
making
magnetic record
record disk
lubricated magnetic
lubricated
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
Application number
DE8484106067T
Other languages
English (en)
Inventor
Andrew Marian Homola
Heinrich Sussner
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3462076D1 publication Critical patent/DE3462076D1/de
Expired 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
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/71—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the 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
    • G11B5/725—Protective coatings, e.g. anti-static or antifriction containing a lubricant, e.g. organic compounds
DE8484106067T 1983-07-14 1984-05-28 Lubricated magnetic record disk and a process for making it Expired DE3462076D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/513,897 US4542071A (en) 1983-07-14 1983-07-14 Lubricated magnetic recording disk

Publications (1)

Publication Number Publication Date
DE3462076D1 true DE3462076D1 (en) 1987-02-19

Family

ID=24045041

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484106067T Expired DE3462076D1 (en) 1983-07-14 1984-05-28 Lubricated magnetic record disk and a process for making it

Country Status (4)

Country Link
US (1) US4542071A (de)
EP (1) EP0134412B1 (de)
JP (1) JPS6020317A (de)
DE (1) DE3462076D1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0650564B2 (ja) * 1984-06-06 1994-06-29 ティーディーケイ株式会社 磁気記録媒体
US4647494A (en) * 1985-10-31 1987-03-03 International Business Machines Corporation Silicon/carbon protection of metallic magnetic structures
JP2796852B2 (ja) * 1988-10-31 1998-09-10 インターナショナル・ビジネス・マシーンズ・コーポレーション 磁気記憶装置及び方法
DE4009566A1 (de) * 1990-03-24 1991-09-26 Merck Patent Gmbh Schmierstoffe
US5374463A (en) * 1991-10-22 1994-12-20 International Business Machines Corporation Magnetic recording disk having a contiguous fullerene film and a protective overcoat
JPH0538216U (ja) * 1991-10-23 1993-05-25 ジヤストジヤパン株式会社 二段駐車装置
US6767584B2 (en) * 2002-05-13 2004-07-27 International Business Machines Corporation Disk substrate with monosized microbumps

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2855366A (en) * 1953-08-31 1958-10-07 Pure Oil Co Sulfurized additives for lubricants
US2885366A (en) * 1956-06-28 1959-05-05 Du Pont Product comprising a skin of dense, hydrated amorphous silica bound upon a core of another solid material and process of making same
US3476595A (en) * 1966-07-08 1969-11-04 Du Pont Silica-coated magnetic tape
JPS5234923B2 (de) * 1974-10-02 1977-09-06
US4268369A (en) * 1977-07-18 1981-05-19 Ampex Corporation Process of making silicon dioxide films for use as wear resistant coatings in video and digital magnetic recording
US4320159A (en) * 1978-06-26 1982-03-16 Fuji Photo Film Co., Ltd. Magnetic recording medium
JPS56105337A (en) * 1980-01-28 1981-08-21 Tdk Corp Magnetic recording medium and its production
US4280918A (en) * 1980-03-10 1981-07-28 International Business Machines Corporation Magnetic particle dispersions
JPS57167131A (en) * 1981-04-03 1982-10-14 Fujitsu Ltd Magnetic recording medium
US4540618A (en) * 1982-08-12 1985-09-10 Matsushita Electric Industrial Co., Ltd. Magnetic recording medium

Also Published As

Publication number Publication date
JPH0245242B2 (de) 1990-10-08
JPS6020317A (ja) 1985-02-01
EP0134412A1 (de) 1985-03-20
US4542071A (en) 1985-09-17
EP0134412B1 (de) 1987-01-14

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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