SG135086A1 - Lubricant, magnetic recording medium and head slider - Google Patents

Lubricant, magnetic recording medium and head slider

Info

Publication number
SG135086A1
SG135086A1 SG200604582-7A SG2006045827A SG135086A1 SG 135086 A1 SG135086 A1 SG 135086A1 SG 2006045827 A SG2006045827 A SG 2006045827A SG 135086 A1 SG135086 A1 SG 135086A1
Authority
SG
Singapore
Prior art keywords
lubricant
err
magnetic recording
recording medium
head slider
Prior art date
Application number
SG200604582-7A
Other languages
English (en)
Inventor
Hiroshi Chiba
Masaaki Sasa
Yukiko Oshikubo
Keiji Watanabe
Eishin Yamakawa
Takeshi Tokairin
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of SG135086A1 publication Critical patent/SG135086A1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
    • C10M107/38—Lubricating compositions characterised by the base-material being a macromolecular compound containing halogen
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M147/00—Lubricating compositions characterised by the additive being a macromolecular compound containing halogen
    • C10M147/04—Monomer containing carbon, hydrogen, halogen and oxygen
    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/255—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for protection against wear
    • 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
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2213/04—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions obtained from monomers containing carbon, hydrogen, halogen and oxygen
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • C10N2020/04—Molecular weight; Molecular weight distribution
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/56—Boundary lubrication or thin film lubrication
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/14—Electric or magnetic purposes
    • C10N2040/18—Electric or magnetic purposes in connection with recordings on magnetic tape or disc
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/023—Multi-layer lubricant coatings
    • C10N2050/025—Multi-layer lubricant coatings in the form of films or sheets
    • 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
    • Y10T428/11—Magnetic recording head
    • Y10T428/1164—Magnetic recording head with protective film
    • 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
    • Y10T428/11—Magnetic recording head
    • Y10T428/1171—Magnetic recording head with defined laminate structural detail
    • Y10T428/1179—Head with slider structure

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Lubricants (AREA)
  • Magnetic Record Carriers (AREA)
  • Polyethers (AREA)
SG200604582-7A 2006-02-28 2006-07-06 Lubricant, magnetic recording medium and head slider SG135086A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006051443A JP5250937B2 (ja) 2006-02-28 2006-02-28 潤滑剤、磁気記録媒体およびヘッドスライダ

Publications (1)

Publication Number Publication Date
SG135086A1 true SG135086A1 (en) 2007-09-28

Family

ID=38329366

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200604582-7A SG135086A1 (en) 2006-02-28 2006-07-06 Lubricant, magnetic recording medium and head slider

Country Status (7)

Country Link
US (1) US20070203037A1 (de)
JP (1) JP5250937B2 (de)
KR (1) KR100730264B1 (de)
CN (1) CN101121908B (de)
DE (1) DE102006035551B9 (de)
SG (1) SG135086A1 (de)
TW (2) TW201009825A (de)

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* Cited by examiner, † Cited by third party
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US8481468B2 (en) * 2005-09-12 2013-07-09 HGST Netherlands B.V. Lubricant with non-terminal functional groups
JP2008176849A (ja) * 2007-01-17 2008-07-31 Fujitsu Ltd 磁気ディスクの検査装置に使用される検査用ヘッド
WO2009013785A1 (ja) * 2007-07-23 2009-01-29 Fujitsu Limited 潤滑剤、磁気記録媒体およびヘッドスライダ
US20100035083A1 (en) * 2008-08-05 2010-02-11 Seagate Technology Llc Mixture of low profile lubricant and cyclophosphazene compound
DE102009036311B4 (de) * 2009-08-06 2021-10-28 Te Connectivity Corporation Selbstschmierende Beschichtung, selbstschmierendes Bauteil, Beschichtungselektrolyt und Verfahren zur Herstellung einer selbstschmierenden Beschichtung
US8518564B2 (en) 2010-04-15 2013-08-27 HGST Netherlands B.V. Perfluoropolyether lubricant and systems comprising same
US20140141284A1 (en) * 2011-06-07 2014-05-22 Seagate Technology Llc Lubricant compositions
DE102011055683A1 (de) 2011-11-24 2013-05-29 Götz von Foerster Synthetisches Schmiermittel zur Verwendung als Synovialflüssigkeitsersatz
JP6175265B2 (ja) * 2013-04-02 2017-08-02 昭和電工株式会社 磁気記録媒体の製造方法
US10559320B2 (en) 2014-12-19 2020-02-11 Showa Denko K.K. Magnetic recording medium and magnetic recording/reproducing apparatus
US10199064B2 (en) 2015-02-18 2019-02-05 Showa Denko K.K. Magnetic recording medium, and magnetic recording and reproducing apparatus
CN107534158B (zh) * 2015-05-12 2020-08-18 西奥公司 作为用于锂电池的电解质的peo和氟化聚合物的共聚物
CN106340313A (zh) 2015-07-08 2017-01-18 昭和电工株式会社 磁记录介质和磁记录再生装置
CN106548791B (zh) 2015-09-18 2019-04-09 昭和电工株式会社 磁记录介质和磁记录再生装置
CN105575408A (zh) * 2015-12-08 2016-05-11 衢州氟硅技术研究院 一种用于磁盘的润滑油组合物
US11279664B2 (en) 2016-03-10 2022-03-22 Showa Denko K.K. Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
CN112673048B (zh) 2018-09-12 2023-06-13 株式会社力森诺科 含氟醚化合物、磁记录介质用润滑剂及磁记录介质
US11820953B2 (en) 2019-03-12 2023-11-21 Resonac Corporation Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic recording medium
WO2021054202A1 (ja) 2019-09-18 2021-03-25 昭和電工株式会社 含フッ素エーテル化合物、磁気記録媒体用潤滑剤および磁気記録媒体
US11905365B2 (en) 2019-12-26 2024-02-20 Resonac Corporation Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
US20220154093A1 (en) * 2020-11-18 2022-05-19 Western Digital Technologies, Inc. High thermal stability lubricants
IT202100005393A1 (it) * 2021-03-09 2022-09-09 Umberto Cattaneo La presente invenzione riguarda l’uso di composti perfluorurati come rivestimento superficiale di piastre metalliche riscaldate o/ed emittenti per ridurre l’attrito dello scorrimento della piastra su tessuti e ridurre quindi lo sforzo necessario allo spostamento della piastra riscaldata.

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JP2774149B2 (ja) * 1989-06-22 1998-07-09 株式会社日立製作所 磁気記録媒体及びその製造方法
IT1237887B (it) * 1989-12-12 1993-06-18 Ausimont Spa Lubrificanti perfluoropolieterei aventi proprieta' antiusura
DE4490958T1 (de) * 1993-02-24 1995-04-27 Hitachi Maxell Schmiermittel
JPH06274859A (ja) * 1993-03-18 1994-09-30 Hitachi Ltd 磁気記録媒体および磁気記録再生装置
US5663127A (en) 1994-07-29 1997-09-02 Minnesota Mining And Manufacturing Company Perfluoropolyether lubricating compositions
MY121565A (en) * 1994-10-13 2006-02-28 Daikin Ind Ltd Fluorine-containing compounds and use thereof
JP3294760B2 (ja) * 1996-04-12 2002-06-24 昭和電工株式会社 磁気記録媒体
IT1290428B1 (it) * 1997-03-21 1998-12-03 Ausimont Spa Grassi fluorurati
US6303227B1 (en) * 1997-07-16 2001-10-16 Matsushita Electric Industrial Co., Ltd. Lubricant composition magnetic recording medium, and process for producing magnetic recording medium
KR100644146B1 (ko) * 1999-09-21 2006-11-10 가부시키가이샤 마츠무라 세키유 겐큐쇼 포스파젠 화합물 및 이것을 함유하는 윤활제
JP2003162820A (ja) * 2001-09-12 2003-06-06 Tdk Corp マルチレベル光記録媒体の再生方法、および再生装置
AU2002335835B2 (en) * 2001-10-29 2008-04-17 Henkel Ag & Co. Kgaa Anti-seize composition in solid form
JP2003162810A (ja) * 2001-11-28 2003-06-06 Hitachi Ltd 磁気記録媒体
US20060052262A1 (en) 2002-10-01 2006-03-09 Matsumura Oil Research Corp. Perfluoropolyether compound and lubricant and magnetic disk using same
AU2003301424A1 (en) * 2002-10-18 2004-05-04 Asahi Glass Company, Limited Perfluoropolyether derivatives
JP4013881B2 (ja) * 2002-10-18 2007-11-28 ソニーケミカル＆インフォメーションデバイス株式会社 パーフルオロポリエーテルエステル化合物、潤滑剤及び磁気記録媒体
JP2004319058A (ja) * 2003-03-31 2004-11-11 Hoya Corp 磁気ディスクの製造方法及び磁気ディスク
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JP4527511B2 (ja) * 2004-05-26 2010-08-18 富士通株式会社 ヘッドスライダおよび磁気記録装置
JP4629390B2 (ja) * 2004-09-02 2011-02-09 富士通株式会社 潤滑剤、磁気記録媒体およびヘッドスライダ

Also Published As

Publication number Publication date
CN101121908A (zh) 2008-02-13
DE102006035551A1 (de) 2007-09-06
TWI362657B (en) 2012-04-21
JP5250937B2 (ja) 2013-07-31
DE102006035551B4 (de) 2012-05-16
US20070203037A1 (en) 2007-08-30
TW200733083A (en) 2007-09-01
KR100730264B1 (ko) 2007-06-20
JP2007231056A (ja) 2007-09-13
CN101121908B (zh) 2010-09-15
DE102006035551B8 (de) 2012-09-27
DE102006035551B9 (de) 2012-11-15
TW201009825A (en) 2010-03-01

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