CN104810030A - 用于硬盘介质的组合润滑剂 - Google Patents
用于硬盘介质的组合润滑剂 Download PDFInfo
- Publication number
- CN104810030A CN104810030A CN201510266179.XA CN201510266179A CN104810030A CN 104810030 A CN104810030 A CN 104810030A CN 201510266179 A CN201510266179 A CN 201510266179A CN 104810030 A CN104810030 A CN 104810030A
- Authority
- CN
- China
- Prior art keywords
- phosphonitrile
- composition
- hydroxyl
- polar group
- terminal polar
- 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.)
- Granted
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
- C10M157/00—Lubricating compositions characterised by the additive being a mixture of two or more macromolecular compounds covered by more than one of the main groups C10M143/00 - C10M155/00, each of these compounds being essential
- C10M157/10—Lubricating compositions characterised by the additive being a mixture of two or more macromolecular compounds covered by more than one of the main groups C10M143/00 - C10M155/00, each of these compounds being essential at least one of them being a compound containing atoms of elements not provided for in groups C10M157/02 - C10M157/08
-
- 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
- C10M177/00—Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
-
- 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
- C10M2213/06—Perfluoro polymers
- C10M2213/0606—Perfluoro polymers used as base material
-
- 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
- C10M2225/00—Organic macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2225/04—Organic macromolecular compounds containing phosphorus as ingredients in lubricant compositions obtained by phosphorisation of macromolecualr compounds not containing phosphorus in the monomers
- C10M2225/0405—Organic macromolecular compounds containing phosphorus as ingredients in lubricant compositions obtained by phosphorisation of macromolecualr compounds not containing phosphorus in the monomers used as base material
-
- 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
-
- 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
- C10N2080/00—Special pretreatment of the material to be lubricated, e.g. phosphatising or chromatising of a metal
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
- Magnetic Record Carriers (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/559,450 | 2009-09-14 | ||
US12/559,450 US7998912B2 (en) | 2009-09-14 | 2009-09-14 | Composite lubricant for hard disk media |
CN201010282204.0A CN102024461B (zh) | 2009-09-14 | 2010-09-14 | 用于硬盘介质的组合润滑剂 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010282204.0A Division CN102024461B (zh) | 2009-09-14 | 2010-09-14 | 用于硬盘介质的组合润滑剂 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104810030A true CN104810030A (zh) | 2015-07-29 |
CN104810030B CN104810030B (zh) | 2018-02-13 |
Family
ID=43730881
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010282204.0A Active CN102024461B (zh) | 2009-09-14 | 2010-09-14 | 用于硬盘介质的组合润滑剂 |
CN201510266179.XA Active CN104810030B (zh) | 2009-09-14 | 2010-09-14 | 用于硬盘介质的组合润滑剂 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010282204.0A Active CN102024461B (zh) | 2009-09-14 | 2010-09-14 | 用于硬盘介质的组合润滑剂 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7998912B2 (zh) |
CN (2) | CN102024461B (zh) |
HK (2) | HK1151624A1 (zh) |
Families Citing this family (78)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5117895B2 (ja) | 2008-03-17 | 2013-01-16 | ダブリュディ・メディア・シンガポール・プライベートリミテッド | 磁気記録媒体及びその製造方法 |
JP2009238299A (ja) | 2008-03-26 | 2009-10-15 | Hoya Corp | 垂直磁気記録媒体および垂直磁気記録媒体の製造方法 |
JP5453666B2 (ja) | 2008-03-30 | 2014-03-26 | ダブリュディ・メディア・シンガポール・プライベートリミテッド | 磁気ディスク及びその製造方法 |
US9177586B2 (en) | 2008-09-30 | 2015-11-03 | WD Media (Singapore), LLC | Magnetic disk and manufacturing method thereof |
US8877359B2 (en) | 2008-12-05 | 2014-11-04 | Wd Media (Singapore) Pte. Ltd. | Magnetic disk and method for manufacturing same |
WO2010116908A1 (ja) | 2009-03-28 | 2010-10-14 | Hoya株式会社 | 磁気ディスク用潤滑剤化合物及び磁気ディスク |
SG165294A1 (en) | 2009-03-30 | 2010-10-28 | Wd Media Singapore Pte Ltd | Perpendicular magnetic recording medium and method of manufacturing the same |
US20100300884A1 (en) | 2009-05-26 | 2010-12-02 | Wd Media, Inc. | Electro-deposited passivation coatings for patterned media |
US9330685B1 (en) | 2009-11-06 | 2016-05-03 | WD Media, LLC | Press system for nano-imprinting of recording media with a two step pressing method |
US8496466B1 (en) | 2009-11-06 | 2013-07-30 | WD Media, LLC | Press system with interleaved embossing foil holders for nano-imprinting of recording media |
JP5643516B2 (ja) | 2010-01-08 | 2014-12-17 | ダブリュディ・メディア・シンガポール・プライベートリミテッド | 垂直磁気記録媒体 |
JP5574414B2 (ja) | 2010-03-29 | 2014-08-20 | ダブリュディ・メディア・シンガポール・プライベートリミテッド | 磁気ディスクの評価方法及び磁気ディスクの製造方法 |
JP5645476B2 (ja) | 2010-05-21 | 2014-12-24 | ダブリュディ・メディア・シンガポール・プライベートリミテッド | 垂直磁気ディスク |
JP5634749B2 (ja) | 2010-05-21 | 2014-12-03 | ダブリュディ・メディア・シンガポール・プライベートリミテッド | 垂直磁気ディスク |
JP2011248969A (ja) | 2010-05-28 | 2011-12-08 | Wd Media (Singapore) Pte. Ltd | 垂直磁気ディスク |
JP2011248967A (ja) | 2010-05-28 | 2011-12-08 | Wd Media (Singapore) Pte. Ltd | 垂直磁気ディスクの製造方法 |
JP2011248968A (ja) | 2010-05-28 | 2011-12-08 | Wd Media (Singapore) Pte. Ltd | 垂直磁気ディスク |
JP2012009086A (ja) | 2010-06-22 | 2012-01-12 | Wd Media (Singapore) Pte. Ltd | 垂直磁気記録媒体及びその製造方法 |
US8889275B1 (en) | 2010-08-20 | 2014-11-18 | WD Media, LLC | Single layer small grain size FePT:C film for heat assisted magnetic recording media |
US8743666B1 (en) | 2011-03-08 | 2014-06-03 | Western Digital Technologies, Inc. | Energy assisted magnetic recording medium capable of suppressing high DC readback noise |
US8711499B1 (en) | 2011-03-10 | 2014-04-29 | WD Media, LLC | Methods for measuring media performance associated with adjacent track interference |
US8491800B1 (en) | 2011-03-25 | 2013-07-23 | WD Media, LLC | Manufacturing of hard masks for patterning magnetic media |
US9028985B2 (en) | 2011-03-31 | 2015-05-12 | WD Media, LLC | Recording media with multiple exchange coupled magnetic layers |
US8663822B2 (en) | 2011-10-04 | 2014-03-04 | HGST Netherlands B.V. | Lubricant layer that provides a stable head-to-disk interface in humid conditions |
US9045711B2 (en) | 2011-12-16 | 2015-06-02 | HGST Netherlands B.V. | Perfluorinated polyethers (PFPE) as magnetic lubricants |
US8565050B1 (en) | 2011-12-20 | 2013-10-22 | WD Media, LLC | Heat assisted magnetic recording media having moment keeper layer |
US9029308B1 (en) | 2012-03-28 | 2015-05-12 | WD Media, LLC | Low foam media cleaning detergent |
US9269480B1 (en) | 2012-03-30 | 2016-02-23 | WD Media, LLC | Systems and methods for forming magnetic recording media with improved grain columnar growth for energy assisted magnetic recording |
US8941950B2 (en) | 2012-05-23 | 2015-01-27 | WD Media, LLC | Underlayers for heat assisted magnetic recording (HAMR) media |
US8993134B2 (en) | 2012-06-29 | 2015-03-31 | Western Digital Technologies, Inc. | Electrically conductive underlayer to grow FePt granular media with (001) texture on glass substrates |
JP2014026688A (ja) * | 2012-07-25 | 2014-02-06 | Toshiba Corp | 磁気記録媒体、及びこれを用いた磁気記録再生装置 |
WO2014025316A1 (en) * | 2012-08-08 | 2014-02-13 | Agency For Science, Technology And Research | Lubricants for magnetic recording media |
US9034492B1 (en) | 2013-01-11 | 2015-05-19 | WD Media, LLC | Systems and methods for controlling damping of magnetic media for heat assisted magnetic recording |
US10115428B1 (en) | 2013-02-15 | 2018-10-30 | Wd Media, Inc. | HAMR media structure having an anisotropic thermal barrier layer |
US9153268B1 (en) | 2013-02-19 | 2015-10-06 | WD Media, LLC | Lubricants comprising fluorinated graphene nanoribbons for magnetic recording media structure |
US9183867B1 (en) | 2013-02-21 | 2015-11-10 | WD Media, LLC | Systems and methods for forming implanted capping layers in magnetic media for magnetic recording |
US9196283B1 (en) | 2013-03-13 | 2015-11-24 | Western Digital (Fremont), Llc | Method for providing a magnetic recording transducer using a chemical buffer |
US9190094B2 (en) | 2013-04-04 | 2015-11-17 | Western Digital (Fremont) | Perpendicular recording media with grain isolation initiation layer and exchange breaking layer for signal-to-noise ratio enhancement |
US9093122B1 (en) | 2013-04-05 | 2015-07-28 | WD Media, LLC | Systems and methods for improving accuracy of test measurements involving aggressor tracks written to disks of hard disk drives |
US8947987B1 (en) | 2013-05-03 | 2015-02-03 | WD Media, LLC | Systems and methods for providing capping layers for heat assisted magnetic recording media |
US8867322B1 (en) | 2013-05-07 | 2014-10-21 | WD Media, LLC | Systems and methods for providing thermal barrier bilayers for heat assisted magnetic recording media |
US9296082B1 (en) | 2013-06-11 | 2016-03-29 | WD Media, LLC | Disk buffing apparatus with abrasive tape loading pad having a vibration absorbing layer |
JP5648716B2 (ja) * | 2013-06-12 | 2015-01-07 | 富士電機株式会社 | 磁気記録媒体 |
US9245565B2 (en) | 2013-06-14 | 2016-01-26 | HGST Netherlands B.V. | Magnetic recording medium lubricant mixture and systems thereof |
US9406330B1 (en) | 2013-06-19 | 2016-08-02 | WD Media, LLC | Method for HDD disk defect source detection |
US9607646B2 (en) | 2013-07-30 | 2017-03-28 | WD Media, LLC | Hard disk double lubrication layer |
US9389135B2 (en) | 2013-09-26 | 2016-07-12 | WD Media, LLC | Systems and methods for calibrating a load cell of a disk burnishing machine |
US9177585B1 (en) | 2013-10-23 | 2015-11-03 | WD Media, LLC | Magnetic media capable of improving magnetic properties and thermal management for heat-assisted magnetic recording |
US9581510B1 (en) | 2013-12-16 | 2017-02-28 | Western Digital Technologies, Inc. | Sputter chamber pressure gauge with vibration absorber |
US9382496B1 (en) | 2013-12-19 | 2016-07-05 | Western Digital Technologies, Inc. | Lubricants with high thermal stability for heat-assisted magnetic recording |
US9824711B1 (en) | 2014-02-14 | 2017-11-21 | WD Media, LLC | Soft underlayer for heat assisted magnetic recording media |
US9447368B1 (en) | 2014-02-18 | 2016-09-20 | WD Media, LLC | Detergent composition with low foam and high nickel solubility |
US9431045B1 (en) | 2014-04-25 | 2016-08-30 | WD Media, LLC | Magnetic seed layer used with an unbalanced soft underlayer |
US9042053B1 (en) | 2014-06-24 | 2015-05-26 | WD Media, LLC | Thermally stabilized perpendicular magnetic recording medium |
US9159350B1 (en) | 2014-07-02 | 2015-10-13 | WD Media, LLC | High damping cap layer for magnetic recording media |
US10054363B2 (en) | 2014-08-15 | 2018-08-21 | WD Media, LLC | Method and apparatus for cryogenic dynamic cooling |
US9082447B1 (en) | 2014-09-22 | 2015-07-14 | WD Media, LLC | Determining storage media substrate material type |
US9227324B1 (en) | 2014-09-25 | 2016-01-05 | WD Media, LLC | Mandrel for substrate transport system with notch |
US9685184B1 (en) | 2014-09-25 | 2017-06-20 | WD Media, LLC | NiFeX-based seed layer for magnetic recording media |
US8995078B1 (en) | 2014-09-25 | 2015-03-31 | WD Media, LLC | Method of testing a head for contamination |
US9449633B1 (en) | 2014-11-06 | 2016-09-20 | WD Media, LLC | Smooth structures for heat-assisted magnetic recording media |
US9818442B2 (en) | 2014-12-01 | 2017-11-14 | WD Media, LLC | Magnetic media having improved magnetic grain size distribution and intergranular segregation |
US9401300B1 (en) | 2014-12-18 | 2016-07-26 | WD Media, LLC | Media substrate gripper including a plurality of snap-fit fingers |
CN107004430B (zh) * | 2014-12-19 | 2019-01-11 | 昭和电工株式会社 | 磁记录介质和磁记录再现装置 |
US9218850B1 (en) | 2014-12-23 | 2015-12-22 | WD Media, LLC | Exchange break layer for heat-assisted magnetic recording media |
US9257134B1 (en) | 2014-12-24 | 2016-02-09 | Western Digital Technologies, Inc. | Allowing fast data zone switches on data storage devices |
US9990940B1 (en) | 2014-12-30 | 2018-06-05 | WD Media, LLC | Seed structure for perpendicular magnetic recording media |
US9926509B2 (en) | 2015-01-19 | 2018-03-27 | Exxonmobil Research And Engineering Company | Lubricating oil compositions with engine wear protection and solubility |
US10199064B2 (en) | 2015-02-18 | 2019-02-05 | Showa Denko K.K. | Magnetic recording medium, and magnetic recording and reproducing apparatus |
US9280998B1 (en) | 2015-03-30 | 2016-03-08 | WD Media, LLC | Acidic post-sputter wash for magnetic recording media |
US9275669B1 (en) | 2015-03-31 | 2016-03-01 | WD Media, LLC | TbFeCo in PMR media for SNR improvement |
US9822441B2 (en) | 2015-03-31 | 2017-11-21 | WD Media, LLC | Iridium underlayer for heat assisted magnetic recording media |
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 |
US11074934B1 (en) | 2015-09-25 | 2021-07-27 | Western Digital Technologies, Inc. | Heat assisted magnetic recording (HAMR) media with Curie temperature reduction layer |
US10236026B1 (en) | 2015-11-06 | 2019-03-19 | WD Media, LLC | Thermal barrier layers and seed layers for control of thermal and structural properties of HAMR media |
US9406329B1 (en) | 2015-11-30 | 2016-08-02 | WD Media, LLC | HAMR media structure with intermediate layer underlying a magnetic recording layer having multiple sublayers |
US10121506B1 (en) | 2015-12-29 | 2018-11-06 | WD Media, LLC | Magnetic-recording medium including a carbon overcoat implanted with nitrogen and hydrogen |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080020171A1 (en) * | 2004-07-23 | 2008-01-24 | Matsumura Oil Research Corp. | Lubricant For Recording Medium And Magnetic Disk |
CN101371301A (zh) * | 2006-01-23 | 2009-02-18 | Hoya株式会社 | 磁盘 |
US20090155517A1 (en) * | 2005-09-30 | 2009-06-18 | Hoya Corporation | Magnetic Recording Disk and Method for Manufacture Thereof |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1174206B (it) * | 1984-06-19 | 1987-07-01 | Montedison Spa | Fluouropolieteri contenenti gruppi terminali dotati di capacita' ancornanti |
JP3240654B2 (ja) * | 1991-06-20 | 2001-12-17 | ソニー株式会社 | パーフルオロポリエーテル誘導体及びこれを用いた潤滑剤並びに磁気記録媒体 |
JPH05205253A (ja) * | 1992-01-27 | 1993-08-13 | Hitachi Ltd | 回転型磁気記録媒体 |
IT1256304B (it) * | 1992-11-10 | 1995-11-30 | Ausimont Spa | Derivati fosfazenici e loro impiego come stabilizzanti per oli e grassi a base di perfluoropolieteri |
JP3365043B2 (ja) * | 1994-05-18 | 2003-01-08 | 富士写真フイルム株式会社 | 磁気記録媒体 |
WO1996001303A1 (en) * | 1994-07-01 | 1996-01-18 | Hmt Technology Corporation | Lubricant composition and method |
KR960019113A (ko) * | 1994-11-07 | 1996-06-17 | 가나이 쯔도무 | 자기 디스크 및 자기 디스크 장치 |
JPH1149716A (ja) * | 1997-08-04 | 1999-02-23 | Kubota Corp | 有機化合物並びに潤滑剤及びこれを用いた磁気記録媒体 |
US5908817A (en) * | 1998-05-18 | 1999-06-01 | The Dow Chemical Company | Lubricants containing a perfluoropolyalkyl ether and a fluoroalkylphosphazene |
US6730403B1 (en) * | 1999-01-07 | 2004-05-04 | Fuji Electric Co., Ltd. | Magnetic recording medium and method for manufacturing the same |
US6468947B1 (en) * | 1999-03-26 | 2002-10-22 | Seagate Technology Llc | Lubricants with improved stability for magnetic recording media |
US6541431B1 (en) * | 1999-05-25 | 2003-04-01 | Matsumura Oil Research Corp. | Lubricant for magnetic recording medium |
JP4297461B2 (ja) * | 1999-06-17 | 2009-07-15 | 富士電機デバイステクノロジー株式会社 | 磁気記録媒体およびその製造方法 |
ATE269347T1 (de) * | 1999-09-21 | 2004-07-15 | Matsumura Oil Res Corp | Phosphazen- verbindungen und gleitmittel die diese enthalten |
US6816341B2 (en) * | 2000-07-05 | 2004-11-09 | Hitachi, Ltd. | Hard disk drive utilizing second lubricant over a first lubricant having a phosophezine group |
JP2002293787A (ja) | 2001-03-01 | 2002-10-09 | Matsumura Sekiyu Kenkyusho:Kk | ホスファゼン化合物 |
JP2002275484A (ja) | 2001-03-19 | 2002-09-25 | Matsumura Sekiyu Kenkyusho:Kk | ホスファゼン化合物を含有する潤滑剤 |
JP2002294266A (ja) | 2001-03-19 | 2002-10-09 | Matsumura Sekiyu Kenkyusho:Kk | ホスファゼン化合物を含有する潤滑剤 |
SG130014A1 (en) * | 2002-09-03 | 2007-03-20 | Hoya Corp | Magnetic recording disk and process for manufacturing thereof |
AU2003268708A1 (en) * | 2002-10-01 | 2004-04-23 | Matsumura Oil Research Corp. | Perfluoropolyether compound and lubricant and magnetic disk using same |
US7510999B2 (en) * | 2004-05-28 | 2009-03-31 | Hitachi Global Storage Technologies Netherlands B.V. | Lubricant composition for magnetic recording media |
JP2004352999A (ja) | 2004-09-17 | 2004-12-16 | Matsumura Sekiyu Kenkyusho:Kk | ホスファゼン化合物を含有する潤滑剤 |
US7579304B2 (en) * | 2005-04-12 | 2009-08-25 | Seagate Technology Llc | Thin film lubricant for advanced tribological performance of storage medium |
JP4711331B2 (ja) | 2005-04-28 | 2011-06-29 | 株式会社Moresco | パーフルオロポリエーテル化合物、およびこれを用いた潤滑剤ならびに磁気ディスク |
-
2009
- 2009-09-14 US US12/559,450 patent/US7998912B2/en not_active Expired - Fee Related
-
2010
- 2010-09-14 CN CN201010282204.0A patent/CN102024461B/zh active Active
- 2010-09-14 CN CN201510266179.XA patent/CN104810030B/zh active Active
-
2011
- 2011-06-03 HK HK11105616.0A patent/HK1151624A1/zh not_active IP Right Cessation
-
2015
- 2015-12-17 HK HK15112440.4A patent/HK1211735A1/zh unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080020171A1 (en) * | 2004-07-23 | 2008-01-24 | Matsumura Oil Research Corp. | Lubricant For Recording Medium And Magnetic Disk |
US20090155517A1 (en) * | 2005-09-30 | 2009-06-18 | Hoya Corporation | Magnetic Recording Disk and Method for Manufacture Thereof |
CN101371301A (zh) * | 2006-01-23 | 2009-02-18 | Hoya株式会社 | 磁盘 |
Also Published As
Publication number | Publication date |
---|---|
HK1211735A1 (zh) | 2016-05-27 |
HK1151624A1 (zh) | 2012-02-03 |
US20110064970A1 (en) | 2011-03-17 |
CN102024461B (zh) | 2015-06-17 |
CN102024461A (zh) | 2011-04-20 |
CN104810030B (zh) | 2018-02-13 |
US7998912B2 (en) | 2011-08-16 |
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