DE3668391D1 - Metallischer magnetischer aufzeichnungstraeger. - Google Patents

Metallischer magnetischer aufzeichnungstraeger.

Info

Publication number
DE3668391D1
DE3668391D1 DE8686112933T DE3668391T DE3668391D1 DE 3668391 D1 DE3668391 D1 DE 3668391D1 DE 8686112933 T DE8686112933 T DE 8686112933T DE 3668391 T DE3668391 T DE 3668391T DE 3668391 D1 DE3668391 D1 DE 3668391D1
Authority
DE
Germany
Prior art keywords
record carrier
metal magnetic
magnetic record
metal
carrier
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
DE8686112933T
Other languages
English (en)
Inventor
Bernard Steele Meyerson
Rajiv Vasant Joshi
Robert Rosenberg
Vishnubhai Vithalbhai Patel
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 DE3668391D1 publication Critical patent/DE3668391D1/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
    • G11B5/726—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
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]
    • Y10T428/24967—Absolute thicknesses specified
    • Y10T428/24975—No layer or component greater than 5 mils thick
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less
    • 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
DE8686112933T 1985-10-31 1986-09-19 Metallischer magnetischer aufzeichnungstraeger. Expired - Fee Related DE3668391D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/793,517 US4647494A (en) 1985-10-31 1985-10-31 Silicon/carbon protection of metallic magnetic structures

Publications (1)

Publication Number Publication Date
DE3668391D1 true DE3668391D1 (de) 1990-02-22

Family

ID=25160095

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686112933T Expired - Fee Related DE3668391D1 (de) 1985-10-31 1986-09-19 Metallischer magnetischer aufzeichnungstraeger.

Country Status (4)

Country Link
US (1) US4647494A (de)
EP (1) EP0221309B1 (de)
JP (1) JPS62109222A (de)
DE (1) DE3668391D1 (de)

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US4840844A (en) * 1986-06-02 1989-06-20 Hitachi, Ltd. Magnetic recording medium
JPH07114016B2 (ja) * 1986-06-12 1995-12-06 株式会社東芝 磁気記録媒体及びその製造方法
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JP2791015B2 (ja) * 1986-12-24 1998-08-27 株式会社日立製作所 磁気記録媒体
DE3644823A1 (de) * 1986-12-31 1988-07-14 Basf Ag Magnetische aufzeichnungstraeger
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US6224952B1 (en) 1988-03-07 2001-05-01 Semiconductor Energy Laboratory Co., Ltd. Electrostatic-erasing abrasion-proof coating and method for forming the same
US5190824A (en) * 1988-03-07 1993-03-02 Semiconductor Energy Laboratory Co., Ltd. Electrostatic-erasing abrasion-proof coating
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US5030494A (en) * 1989-01-26 1991-07-09 International Business Machines Corporation Carbon overcoat for a thin film magnetic recording disk containing discrete clusters of tungsten (W) or tungsten carbide (WC) which project from the surface of the overcoat
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JP3099928B2 (ja) * 1992-07-07 2000-10-16 ティーディーケイ株式会社 磁気ディスク装置
US5374412A (en) * 1992-07-31 1994-12-20 Cvd, Inc. Highly polishable, highly thermally conductive silicon carbide
US5470447A (en) * 1992-08-19 1995-11-28 Stormedia, Inc. Method for applying a protective coating on a magnetic recording head
US5609948A (en) * 1992-08-21 1997-03-11 Minnesota Mining And Manufacturing Company Laminate containing diamond-like carbon and thin-film magnetic head assembly formed thereon
US5827613A (en) * 1992-09-04 1998-10-27 Tdk Corporation Articles having diamond-like protective film and method of manufacturing the same
US5281851A (en) * 1992-10-02 1994-01-25 Hewlett-Packard Company Integrated circuit packaging with reinforced leads
US6805941B1 (en) * 1992-11-19 2004-10-19 Semiconductor Energy Laboratory Co., Ltd. Magnetic recording medium
US5637373A (en) * 1992-11-19 1997-06-10 Semiconductor Energy Laboratory Co., Ltd. Magnetic recording medium
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US5344793A (en) * 1993-03-05 1994-09-06 Siemens Aktiengesellschaft Formation of silicided junctions in deep sub-micron MOSFETs by defect enhanced CoSi2 formation
US5645900A (en) * 1993-04-22 1997-07-08 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Diamond composite films for protective coatings on metals and method of formation
US5626963A (en) * 1993-07-07 1997-05-06 Sanyo Electric Co., Ltd. Hard-carbon-film-coated substrate and apparatus for forming the same
US5567512A (en) * 1993-10-08 1996-10-22 Hmt Technology Corporation Thin carbon overcoat and method of its making
US5691010A (en) * 1993-10-19 1997-11-25 Sanyo Electric Co., Ltd. Arc discharge plasma CVD method for forming diamond-like carbon films
US5482602A (en) * 1993-11-04 1996-01-09 United Technologies Corporation Broad-beam ion deposition coating methods for depositing diamond-like-carbon coatings on dynamic surfaces
US5541566A (en) * 1994-02-28 1996-07-30 Olin Corporation Diamond-like carbon coating for magnetic cores
US5888593A (en) * 1994-03-03 1999-03-30 Monsanto Company Ion beam process for deposition of highly wear-resistant optical coatings
US5508368A (en) 1994-03-03 1996-04-16 Diamonex, Incorporated Ion beam process for deposition of highly abrasion-resistant coatings
US5846649A (en) * 1994-03-03 1998-12-08 Monsanto Company Highly durable and abrasion-resistant dielectric coatings for lenses
US5593719A (en) * 1994-03-29 1997-01-14 Southwest Research Institute Treatments to reduce frictional wear between components made of ultra-high molecular weight polyethylene and metal alloys
US5725573A (en) * 1994-03-29 1998-03-10 Southwest Research Institute Medical implants made of metal alloys bearing cohesive diamond like carbon coatings
US5731045A (en) * 1996-01-26 1998-03-24 Southwest Research Institute Application of diamond-like carbon coatings to cobalt-cemented tungsten carbide components
US6087025A (en) * 1994-03-29 2000-07-11 Southwest Research Institute Application of diamond-like carbon coatings to cutting surfaces of metal cutting tools
US5605714A (en) * 1994-03-29 1997-02-25 Southwest Research Institute Treatments to reduce thrombogeneticity in heart valves made from titanium and its alloys
US5984905A (en) * 1994-07-11 1999-11-16 Southwest Research Institute Non-irritating antimicrobial coating for medical implants and a process for preparing same
US5462784A (en) * 1994-11-02 1995-10-31 International Business Machines Corporation Fluorinated diamond-like carbon protective coating for magnetic recording media devices
US5650237A (en) * 1994-11-21 1997-07-22 Kao Corporation Magnetic recording medium having a metallic magnetic layer and an aluminum alloy underlayer
US5763072A (en) * 1994-12-23 1998-06-09 Maruwa Ceramic Co., Ltd. Ceramic sliding member having pyrolytic carbon film and process of fabricating the same
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Also Published As

Publication number Publication date
EP0221309B1 (de) 1990-01-17
US4647494A (en) 1987-03-03
JPS62109222A (ja) 1987-05-20
JPH0416853B2 (de) 1992-03-25
EP0221309A1 (de) 1987-05-13

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