KR910003454B1 - 자성기록매체의 보호막 - Google Patents

자성기록매체의 보호막 Download PDF

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Publication number
KR910003454B1
KR910003454B1 KR1019830003030A KR830003030A KR910003454B1 KR 910003454 B1 KR910003454 B1 KR 910003454B1 KR 1019830003030 A KR1019830003030 A KR 1019830003030A KR 830003030 A KR830003030 A KR 830003030A KR 910003454 B1 KR910003454 B1 KR 910003454B1
Authority
KR
South Korea
Prior art keywords
coating
magnetic recording
recording medium
weight
monomer
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
KR1019830003030A
Other languages
English (en)
Korean (ko)
Other versions
KR840005585A (ko
Inventor
도민구에즈-벌구에테 마리오
디. 포스 죠오지
Original Assignee
미네소타 마이닝 앤드 매뉴팩츄어링 컴페니
도날드 밀러셀
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 미네소타 마이닝 앤드 매뉴팩츄어링 컴페니, 도날드 밀러셀 filed Critical 미네소타 마이닝 앤드 매뉴팩츄어링 컴페니
Publication of KR840005585A publication Critical patent/KR840005585A/ko
Application granted granted Critical
Publication of KR910003454B1 publication Critical patent/KR910003454B1/ko
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
    • G11B5/72—Protective coatings, e.g. anti-static or antifriction
    • G11B5/722—Protective coatings, e.g. anti-static or antifriction containing an anticorrosive material
    • 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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82—Disk carriers
    • 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]
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31511—Of epoxy ether
    • 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]
    • Y10T428/31536—Including interfacial reaction product of adjacent layers
    • 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
    • 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]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31935—Ester, halide or nitrile of addition polymer

Landscapes

  • Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
  • Lubricants (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
KR1019830003030A 1982-07-02 1983-07-02 자성기록매체의 보호막 Expired KR910003454B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/394,531 US4404247A (en) 1982-07-02 1982-07-02 Protective covering for magnetic recording medium
US394,531 1982-07-02
US394531 1982-07-02

Publications (2)

Publication Number Publication Date
KR840005585A KR840005585A (ko) 1984-11-14
KR910003454B1 true KR910003454B1 (ko) 1991-05-31

Family

ID=23559344

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019830003030A Expired KR910003454B1 (ko) 1982-07-02 1983-07-02 자성기록매체의 보호막

Country Status (13)

Country Link
US (1) US4404247A (enExample)
EP (1) EP0098697B1 (enExample)
JP (1) JPS5928244A (enExample)
KR (1) KR910003454B1 (enExample)
AU (1) AU566875B2 (enExample)
BR (1) BR8303540A (enExample)
CA (1) CA1199234A (enExample)
DE (1) DE3373235D1 (enExample)
HK (1) HK97590A (enExample)
IN (1) IN160847B (enExample)
MX (1) MX162570A (enExample)
SG (1) SG69590G (enExample)
ZA (1) ZA834828B (enExample)

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CA1214361A (en) * 1982-07-02 1986-11-25 James M. Larson Composite low surface energy liner of perfluoropolyether
US4567073A (en) * 1982-07-02 1986-01-28 Minnesota Mining And Manufacturing Company Composite low surface energy liner of perfluoropolyether
EP0123707B1 (de) * 1983-05-02 1987-10-21 Ibm Deutschland Gmbh Anordnung aus einer mit einem Schmierstoff versehenen Magnetplatte und einem Magnetkopf und Verfahren zum Herstellen der Anordnung
JPS6022785A (ja) * 1983-07-18 1985-02-05 Fuji Photo Film Co Ltd フレキシブル磁気デイスク
JPS6025074A (ja) * 1983-07-21 1985-02-07 Fuji Photo Film Co Ltd フレキシブル磁気デイスク
US4514439A (en) * 1983-09-16 1985-04-30 Rohm And Haas Company Dust cover
US4671999A (en) * 1983-09-19 1987-06-09 Minnesota Mining And Manufacturing Company Magnetic recording media having perfluoropolyether coating
US4705699A (en) * 1983-09-19 1987-11-10 Minnesota Mining And Manufacturing Company Method of coating magnetic recording media with perfluoropolyether compositions which are soluble in non-fluorinated solvents
US4569962A (en) * 1983-09-19 1986-02-11 Minnesota Mining And Manufacturing Company Perfluoropolyether compositions which are soluble in non-fluorinated solvents
US4526833A (en) * 1983-10-03 1985-07-02 Minnesota Mining And Manufacturing Company Magnetic recording medium having a perfluoropolyether polymer protective coating
JPS6080132A (ja) * 1983-10-07 1985-05-08 Fuji Photo Film Co Ltd フレキシブル磁気デイスク保護層の形成方法
US4529659A (en) * 1983-11-05 1985-07-16 Nippon Telegraph & Telephone Public Corporation Magnetic recording member and process for manufacturing the same
JPS60109028A (ja) * 1983-11-17 1985-06-14 Hitachi Maxell Ltd 磁気記録媒体
JPS60111340A (ja) * 1983-11-21 1985-06-17 Fuji Photo Film Co Ltd フレキシブル磁気デイスク
US4707392A (en) * 1984-02-29 1987-11-17 Fuji Photo Film Co., Ltd. Flexible magnetic disk
US4759991A (en) * 1984-03-06 1988-07-26 Toagosei Chemical Industry Co., Ltd. Magnetic recording medium having a lubricating coating layer
JPH0685267B2 (ja) * 1984-05-07 1994-10-26 富士写真フイルム株式会社 フレキシブル磁気デイスク
US4614667A (en) * 1984-05-21 1986-09-30 Minnesota Mining And Manufacturing Company Composite low surface energy liner of perfluoropolyether
US4696845A (en) * 1984-08-27 1987-09-29 Nec Corporation Magnetic storage medium with lubricating coating
JPS61115238A (ja) * 1984-11-09 1986-06-02 Fuji Photo Film Co Ltd フレキシブル磁気デイスクとその製造方法
US4729924A (en) * 1984-12-21 1988-03-08 Minnesota Mining And Manufacturing Company Metallic thin film magnetic recording medium having a hard protective layer
US4803130A (en) * 1984-12-21 1989-02-07 Minnesota Mining And Manufacturing Company Reactive sputtering process for recording media
JPS61234312A (ja) * 1985-04-09 1986-10-18 Mitsubishi Electric Corp 車載ナビゲ−シヨン装置
JPS61240430A (ja) * 1985-04-18 1986-10-25 Tdk Corp 磁気記録媒体
JPS62236135A (ja) * 1986-04-08 1987-10-16 Hitachi Maxell Ltd 磁気記録媒体
JP2588515B2 (ja) * 1987-01-16 1997-03-05 三菱電機株式会社 移動体用ナビゲ−シヨン装置
US4830910A (en) * 1987-11-18 1989-05-16 Minnesota Mining And Manufacturing Company Low adhesion compositions of perfluoropolyethers
US4849291A (en) * 1987-12-02 1989-07-18 Eastman Kodak Company Magnetic recording element
US4873140A (en) * 1988-04-27 1989-10-10 Minnesota Mining And Manufacturing Company Articles having low adhesion articles having coatings thereon
EP0345697B1 (en) * 1988-06-06 1994-11-23 Fuji Photo Film Co., Ltd. Magnetic recording medium
US4977021A (en) * 1988-08-05 1990-12-11 Hoechst Celanese Corporation Methods for forming magnetic coatings using trioxane recording media having such coatings
US5254395A (en) * 1988-08-23 1993-10-19 Thor Radiation Research, Inc. Protective coating system for imparting resistance to abrasion, impact and solvents
US5114783A (en) * 1988-08-23 1992-05-19 Thor Radiation Research, Inc. Protective coating system for imparting resistance to abrasion, impact and solvents
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
US5030478A (en) * 1989-03-03 1991-07-09 International Business Machines Corporation Process for bonding lubricants to thin film recording media
GB8916739D0 (en) * 1989-07-21 1989-09-06 Minnesota Mining & Mfg Protective layer for magnetic recording media
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US5049410A (en) * 1989-11-01 1991-09-17 International Business Machines Corporation Lubricant film for a thin-film disk
AU632869B2 (en) * 1989-12-14 1993-01-14 Minnesota Mining And Manufacturing Company Fluorocarbon-based coating compositions and articles derived therefrom
DE69127902D1 (de) * 1990-08-10 1997-11-13 Minnesota Mining & Mfg Direkt überschreibbares thermomagnetisches speichersystem mit hoher speicherdichte
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US5314959A (en) * 1991-03-06 1994-05-24 Minnesota Mining And Manufacturing Company Graft copolymers containing fluoroaliphatic groups
DE69219521T2 (de) * 1991-07-15 1997-08-14 Matsushita Electric Ind Co Ltd Magnetisches Aufzeichnungsmedium, Gleitkörper und Methode zu ihrer Herstellung
US5284710A (en) * 1991-09-17 1994-02-08 Crane Plastics Company Fluoropolymer-acrylic plastic composite and coextrusion method
JP3171986B2 (ja) 1992-09-22 2001-06-04 株式会社ジャパンエナジー 新規イミダゾールフッ素誘導体及びその製造方法並びにそれを用いる表面処理剤
US5700578A (en) * 1995-06-26 1997-12-23 Crane Plastics Company Limited Partnership Fluoropolymer/terpolymer composite
US5991692A (en) * 1995-12-28 1999-11-23 Magellan Dis, Inc. Zero motion detection system for improved vehicle navigation system
US6029111A (en) * 1995-12-28 2000-02-22 Magellan Dis, Inc. Vehicle navigation system and method using GPS velocities
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US6150024A (en) * 1997-11-25 2000-11-21 Rexam Release, Inc. Acrylate release compositions and sheet materials having a release coating formed of the same
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US6589641B1 (en) 1998-06-04 2003-07-08 Seagate Technology Llc Thin films of crosslinked fluoropolymer on a carbon substrate
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US6617011B2 (en) * 1999-05-07 2003-09-09 Seagate Technology Llc Elastomeric lubricants for magnetic recording media
US6878440B1 (en) 1999-07-02 2005-04-12 3M Innovative Properties Company Pressure sensitive adhesive sheet and production method thereof
US6680079B1 (en) * 2000-06-02 2004-01-20 Seagate Technology Llc Planarization and corrosion protection of patterned magnetic media
US6673429B1 (en) 2000-07-25 2004-01-06 Seagate Technology Llc Magnetic recording media with a multiple-layer lubricant
US6638622B2 (en) * 2001-01-11 2003-10-28 Hitachi Global Storage Technologies Perfluorinated polyethers with metal carboxylate end groups as anti-wetting and corrosion-protective agents
US6849304B1 (en) 2001-03-16 2005-02-01 Seagate Technology Llc Method of forming lubricant films
US7399530B2 (en) * 2002-06-27 2008-07-15 Tdk Corporation Object with composite hard coating layer and method of forming composite hard coating layer
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Also Published As

Publication number Publication date
AU566875B2 (en) 1987-11-05
DE3373235D1 (en) 1987-10-01
JPH0247008B2 (enExample) 1990-10-18
HK97590A (en) 1990-11-30
SG69590G (en) 1990-11-23
MX162570A (es) 1991-05-24
US4404247A (en) 1983-09-13
EP0098697A1 (en) 1984-01-18
AU1647583A (en) 1984-01-05
IN160847B (enExample) 1987-08-08
JPS5928244A (ja) 1984-02-14
BR8303540A (pt) 1984-02-14
CA1199234A (en) 1986-01-14
KR840005585A (ko) 1984-11-14
ZA834828B (en) 1984-05-30
EP0098697B1 (en) 1987-08-26

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