KR920006634B1 - 자기 기록 매체 - Google Patents

자기 기록 매체 Download PDF

Info

Publication number
KR920006634B1
KR920006634B1 KR1019840007076A KR840007076A KR920006634B1 KR 920006634 B1 KR920006634 B1 KR 920006634B1 KR 1019840007076 A KR1019840007076 A KR 1019840007076A KR 840007076 A KR840007076 A KR 840007076A KR 920006634 B1 KR920006634 B1 KR 920006634B1
Authority
KR
South Korea
Prior art keywords
magnetic
fluorine
phosphate ester
layer
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
Application number
KR1019840007076A
Other languages
English (en)
Korean (ko)
Other versions
KR850004146A (ko
Inventor
겐시 스미야
후미오 도가와
오사무 사이도우
Original Assignee
히다찌구마세루 가부시기가이샤
나가이 아쯔시
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 히다찌구마세루 가부시기가이샤, 나가이 아쯔시 filed Critical 히다찌구마세루 가부시기가이샤
Publication of KR850004146A publication Critical patent/KR850004146A/ko
Application granted granted Critical
Publication of KR920006634B1 publication Critical patent/KR920006634B1/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
    • G11B5/68—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
    • G11B5/706—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 composition of the magnetic material
    • 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
    • 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

Landscapes

  • Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
  • Lubricants (AREA)
  • Polyethers (AREA)
KR1019840007076A 1983-11-17 1984-11-12 자기 기록 매체 Expired KR920006634B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP58217274A JPS60109028A (ja) 1983-11-17 1983-11-17 磁気記録媒体
JP217274 1983-11-17
JP58-217274 1983-11-17

Publications (2)

Publication Number Publication Date
KR850004146A KR850004146A (ko) 1985-07-01
KR920006634B1 true KR920006634B1 (ko) 1992-08-10

Family

ID=16701567

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840007076A Expired KR920006634B1 (ko) 1983-11-17 1984-11-12 자기 기록 매체

Country Status (5)

Country Link
US (1) US4536444A (https=)
JP (1) JPS60109028A (https=)
KR (1) KR920006634B1 (https=)
DE (1) DE3441981A1 (https=)
GB (1) GB2150860B (https=)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4671999A (en) * 1983-09-19 1987-06-09 Minnesota Mining And Manufacturing Company Magnetic recording media having perfluoropolyether coating
DE3502852C2 (de) * 1984-02-01 1999-06-24 Tdk Corp Magnetisches Aufzeichnungsmaterial
US4696845A (en) * 1984-08-27 1987-09-29 Nec Corporation Magnetic storage medium with lubricating coating
JPH0610869B2 (ja) * 1984-10-22 1994-02-09 日本電気株式会社 磁気記憶体
US4647507A (en) * 1984-10-31 1987-03-03 Matsushita Electric Industrial Co., Ltd. Magnetic recording material
US4803130A (en) * 1984-12-21 1989-02-07 Minnesota Mining And Manufacturing Company Reactive sputtering process for recording media
US4729924A (en) * 1984-12-21 1988-03-08 Minnesota Mining And Manufacturing Company Metallic thin film magnetic recording medium having a hard protective layer
JPS61253634A (ja) * 1985-05-01 1986-11-11 Hitachi Maxell Ltd 磁気記録媒体
KR900004754B1 (ko) * 1985-09-17 1990-07-05 가부시기 가이샤 히다찌세이사구쇼 자기 기록 매체
JPS62102424A (ja) * 1985-10-29 1987-05-12 Hitachi Maxell Ltd 磁気記録媒体
JPS62192028A (ja) * 1986-02-18 1987-08-22 Hitachi Maxell Ltd 磁気記録媒体
JP2550031B2 (ja) * 1986-09-10 1996-10-30 株式会社日立製作所 磁気記録媒体
JPS63258993A (ja) * 1987-04-16 1988-10-26 Hitachi Metals Ltd 薄膜潤滑用合成潤滑剤及び磁気記録媒体
JPH0690787B2 (ja) * 1987-06-16 1994-11-14 株式会社日立製作所 磁気記録媒体
JPH0675287B2 (ja) * 1987-10-07 1994-09-21 富士写真フイルム株式会社 磁気記録媒体
US5139876A (en) * 1990-03-05 1992-08-18 Cleveland State University Ceramic article having wear resistant coating
US5188747A (en) * 1990-09-04 1993-02-23 Matsushita Electric Industrial Co., Ltd. Fluorine-containing lubricant compounds
US5266724A (en) * 1990-09-04 1993-11-30 Matsushita Electric Industrial Co., Ltd. Fluorine-containing compounds
US5252400A (en) * 1990-11-13 1993-10-12 Matsushita Electric Industrial Co., Ltd. Fluorine-containing compounds
JP2787790B2 (ja) * 1991-11-19 1998-08-20 富士写真フイルム株式会社 磁気記録媒体及びその製造方法
JP2884900B2 (ja) * 1992-04-08 1999-04-19 日本電気株式会社 磁気記憶体
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
JP3661949B2 (ja) * 1994-03-11 2005-06-22 富士写真フイルム株式会社 磁気記録媒体
IT1269886B (it) * 1994-06-14 1997-04-15 Ausimont Spa Processo per il trattamento superficiale di materiali cellulosici, metallici,vetrosi,oppure cementi,marmi,graniti e simili
JPH0877541A (ja) * 1994-09-05 1996-03-22 Fuji Photo Film Co Ltd 磁気記録媒体
JPH08106628A (ja) * 1994-10-07 1996-04-23 Fuji Photo Film Co Ltd 磁気記録媒体
GB2329643B (en) 1996-06-04 2000-08-23 Seagate Technology Polymeric perfluoro polyether phosphate lubricant topcoat
US5874169A (en) * 1997-03-17 1999-02-23 Seagate Technology, Inc. Polymeric perfluoro polyether phosphate lubricant topcoat
US6184187B1 (en) 1998-04-07 2001-02-06 E. I. Dupont De Nemours And Company Phosphorus compounds and their use as corrosion inhibitors for perfluoropolyethers
IT1314183B1 (it) * 1999-08-04 2002-12-06 Ausimont Spa Composizioni cosmetiche a base di perfluoropolieteri per laprotezione della pelle
WO2001027916A1 (en) * 1999-10-14 2001-04-19 E.I. Du Pont De Nemours And Company Phosphorous and fluorine containing compounds as magnetic media lubricants
EP1239307A1 (en) * 2001-03-09 2002-09-11 Sicpa Holding S.A. Magnetic thin film interference device
US6828284B2 (en) * 2001-08-06 2004-12-07 E. I. Du Pont De Nemours And Company Flourinated compositions comprising phosphorus
DE10306813B4 (de) * 2003-02-18 2020-07-09 BSH Hausgeräte GmbH Kochfeld
EE200900073A (et) 2009-09-22 2011-06-15 Nordbiochem O� Katalsaator ja meetod hdrokskarbokslhapete estrite kataltiliseks hdrogeenimiseks glkoolideks
US9159350B1 (en) * 2014-07-02 2015-10-13 WD Media, LLC High damping cap layer for magnetic recording media
US9886977B1 (en) 2016-12-22 2018-02-06 Western Digital Technologies, Inc. Dual cap layers for heat-assisted magnetic recording media

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4094911A (en) * 1969-03-10 1978-06-13 Minnesota Mining And Manufacturing Company Poly(perfluoroalkylene oxide) derivatives
US3810874A (en) * 1969-03-10 1974-05-14 Minnesota Mining & Mfg Polymers prepared from poly(perfluoro-alkylene oxide) compounds
US4085137A (en) * 1969-03-10 1978-04-18 Minnesota Mining And Manufacturing Company Poly(perfluoroalkylene oxide) derivatives
US4118235A (en) * 1975-09-18 1978-10-03 Daikin Kogyo Co., Ltd. Mold release agent
US4011267A (en) * 1975-11-06 1977-03-08 The United States Of America As Represented By The Secretary Of The Air Force Perfluoroalkylether substituted aryl phosphines and their synthesis
US4169904A (en) * 1978-01-05 1979-10-02 International Business Machines Corporation Preparation of polymer monomolecular films
DE2839378B1 (de) * 1978-09-11 1979-11-15 Basf Ag Magnetischer Aufzeichnungstraeger
US4268556A (en) * 1979-01-08 1981-05-19 Minnesota Mining And Manufacturing Company Rigid magnetic recording disks lubricated with fluorinated telechelic polyether
US4267238A (en) * 1979-12-18 1981-05-12 Minnesota Mining And Manufacturing Company Flexible magnetic recording media lubricated with fluorinated telechelic polyether polymer
US4404247A (en) * 1982-07-02 1983-09-13 Minnesota Mining And Manufacturing Company Protective covering for magnetic recording medium
US4472480A (en) * 1982-07-02 1984-09-18 Minnesota Mining And Manufacturing Company Low surface energy liner of perfluoropolyether
US4431555A (en) * 1982-09-14 1984-02-14 The United States Of America As Represented By The Secretary Of The Air Force Oxidation stable polyfluoroalkylether grease compositions
US4446193A (en) * 1983-04-29 1984-05-01 International Business Machines Corporation Process for chemically bonding lubricant to an information carrier and products thereof

Also Published As

Publication number Publication date
DE3441981A1 (de) 1985-05-30
DE3441981C2 (https=) 1987-11-26
KR850004146A (ko) 1985-07-01
GB2150860B (en) 1986-12-31
US4536444A (en) 1985-08-20
GB2150860A (en) 1985-07-10
JPS60109028A (ja) 1985-06-14
GB8428960D0 (en) 1984-12-27

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PA0109 Patent application

St.27 status event code: A-0-1-A10-A12-nap-PA0109

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

PG1501 Laying open of application

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A201 Request for examination
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St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

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PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

G160 Decision to publish patent application
PG1605 Publication of application before grant of patent

St.27 status event code: A-2-2-Q10-Q13-nap-PG1605

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

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St.27 status event code: A-2-2-U10-U11-oth-PR1002

Fee payment year number: 1

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Not in force date: 19950811

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