JP2000500898A5 - - Google Patents

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Publication number
JP2000500898A5
JP2000500898A5 JP1997519111A JP51911197A JP2000500898A5 JP 2000500898 A5 JP2000500898 A5 JP 2000500898A5 JP 1997519111 A JP1997519111 A JP 1997519111A JP 51911197 A JP51911197 A JP 51911197A JP 2000500898 A5 JP2000500898 A5 JP 2000500898A5
Authority
JP
Japan
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.)
Pending
Application number
JP1997519111A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000500898A (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/US1996/018366 external-priority patent/WO1997018562A1/en
Publication of JP2000500898A publication Critical patent/JP2000500898A/ja
Publication of JP2000500898A5 publication Critical patent/JP2000500898A5/ja
Pending legal-status Critical Current

Links

JP9519111A 1995-11-16 1996-11-14 導電性非金属添加剤を含むディスクドライブ流体軸受用潤滑剤 Pending JP2000500898A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US684295P 1995-11-16 1995-11-16
US60/006,842 1995-11-16
PCT/US1996/018366 WO1997018562A1 (en) 1995-11-16 1996-11-14 Disc drive hydro bearing lubricant with electrically conductive, non-metallic additive

Publications (2)

Publication Number Publication Date
JP2000500898A JP2000500898A (ja) 2000-01-25
JP2000500898A5 true JP2000500898A5 (enExample) 2004-10-21

Family

ID=21722889

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9519111A Pending JP2000500898A (ja) 1995-11-16 1996-11-14 導電性非金属添加剤を含むディスクドライブ流体軸受用潤滑剤

Country Status (7)

Country Link
US (1) US5940246A (enExample)
JP (1) JP2000500898A (enExample)
KR (1) KR100465402B1 (enExample)
CN (1) CN1127069C (enExample)
DE (1) DE19681651T1 (enExample)
GB (1) GB2322730B (enExample)
WO (1) WO1997018562A1 (enExample)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19681634T1 (de) * 1995-10-30 1998-12-03 Seagate Technology Plattenlaufwerk-Spindelmotor mit Hydrolager mit optimierter Schmiermittelviskosität
WO1998043245A1 (en) * 1997-03-25 1998-10-01 Koyo Seiko Co., Ltd. Information equipment
TW468009B (en) * 1997-11-20 2001-12-11 Koninkl Philips Electronics Nv Electromotor
JP2000310225A (ja) * 1999-04-26 2000-11-07 Matsushita Electric Ind Co Ltd 流体軸受装置およびそれを使用した磁気ディスク装置
US6313967B1 (en) * 1999-08-03 2001-11-06 Maxtor Corporation Disk drive spindle air bearing
US6483215B1 (en) 1999-10-13 2002-11-19 Maxtor Corporation Hybrid air/fluid bearing
JP4029533B2 (ja) * 1999-10-21 2008-01-09 株式会社ジェイテクト 動圧軸受用導電性潤滑剤
JP4757379B2 (ja) * 1999-12-13 2011-08-24 新日鐵化学株式会社 潤滑油組成物
US6952324B2 (en) * 2001-10-18 2005-10-04 Seagate Technology, Llc Hydrodynamic fluid bearing containing lubricants with reduced temperature sensitivity for disk drive application
US6678115B2 (en) 2001-11-08 2004-01-13 Seagate Technology Llc Hydrodynamic fluid bearing containing lubricants with reduced bubble forming tendency for disk drive application
US7345844B2 (en) * 2002-07-23 2008-03-18 Seagate Technology Llc Servo track writer with helium bearing
US7239477B2 (en) * 2002-11-05 2007-07-03 Seagate Technology Llc Low profile air-oil hybrid fluid dynamic bearing motor
US6961214B2 (en) * 2002-12-19 2005-11-01 Seagate Technology Llc Refinement of spindle motor bearing gap
US20050056303A1 (en) * 2003-09-16 2005-03-17 Wei-Ming Lee Oblique burnish/wipe mechanism for hard drive disk like media
US7001074B2 (en) * 2003-04-21 2006-02-21 Seagate Technology Llc High pressure barrier to oil loss by diffusion
US7234868B2 (en) * 2003-05-07 2007-06-26 Seagate Technology Llc Radial pumping oil seal for fluid dynamic bearing motor
US7212376B2 (en) * 2003-09-26 2007-05-01 Hitachi Global Storage Netherlands, B.V. Disk drive system with hydrodynamic bearing lubricant having charge-control additive comprising dioctyldiphenylamine and/or oligomer thereof
US7776802B2 (en) * 2004-12-07 2010-08-17 Panasonic Corporation Hydrodynamic bearing device, and spindle motor and information device using the same
US8562222B2 (en) * 2005-06-24 2013-10-22 Seagate Technology Llc Hub and spindle assembly
US7708904B2 (en) 2005-09-09 2010-05-04 Saint-Gobain Ceramics & Plastics, Inc. Conductive hydrocarbon fluid
US8353740B2 (en) 2005-09-09 2013-01-15 Saint-Gobain Ceramics & Plastics, Inc. Conductive hydrocarbon fluid
US7679243B2 (en) * 2005-12-22 2010-03-16 Seagate Technology Llc Motor assembly with multifunctional components
US7843664B2 (en) * 2006-02-09 2010-11-30 Seagate Technology Llc Electrostatic discharge apparatus for hub and spindle assemblies
JP2007321968A (ja) 2006-06-05 2007-12-13 Matsushita Electric Ind Co Ltd 流体軸受装置、ならびにそれを用いたスピンドルモータ及び情報装置
US8454238B2 (en) * 2006-08-23 2013-06-04 Seagate Technology Llc Spindle regions
US8759266B2 (en) * 2007-03-20 2014-06-24 Exxonmobil Research And Engineering Company Lubricant composition with improved electrical properties
WO2011017629A1 (en) * 2009-08-06 2011-02-10 Seagate Technology Llc Hydrodynamic disc drive spindle motors having hydro bearing with lubricant including conductivity inducing agent
US8531195B2 (en) * 2010-08-26 2013-09-10 Ferrotec (Usa) Corporation Failure indicator seal for a rotary feedthrough
JP6040986B2 (ja) 2012-06-07 2016-12-07 新日本理化株式会社 流体軸受用潤滑油基油
US9368150B2 (en) 2014-09-24 2016-06-14 HGST Netherlands B.V. Charge control agent for fluid dynamic bearing motor lubricant
BR112020017516B1 (pt) * 2018-03-02 2024-04-30 Weg Equipamentos Elétricos S/A Conjunto de mancal de rolamento e sistema de lubrificação para o conjunto de mancal de uma máquina elétrica girante
WO2020129944A1 (ja) 2018-12-20 2020-06-25 新日本理化株式会社 流体軸受用潤滑油基油

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1604019A (enExample) * 1968-12-06 1971-06-28
US4692826A (en) * 1982-12-16 1987-09-08 Ferrofluidics Corporation Bearing assembly with integrated ferrofluid seal
US4628384A (en) * 1983-08-26 1986-12-09 Ferrofluidics Corporation Bearing assembly with integrated ferrofluid seal
US4604229A (en) * 1985-03-20 1986-08-05 Ferrofluidics Corporation Electrically conductive ferrofluid compositions and method of preparing and using same
US4898480A (en) * 1987-02-09 1990-02-06 Ferrofluidics Corporation Compact ferrofluidic electrically conducting sealed bearing
US4772032A (en) * 1987-03-02 1988-09-20 Ferrofluidics Corporation Compact magnetic fluid low pressure seal
US4824122A (en) * 1987-03-02 1989-04-25 Ferrofluidics Corporation Compact magnetic fluid low pressure seal
JPH081263B2 (ja) * 1988-12-28 1996-01-10 株式会社東芝 磁性流体シール
JPH03268272A (ja) * 1990-03-16 1991-11-28 Matsushita Electric Ind Co Ltd 磁気記録再生装置
US5155640A (en) * 1990-05-03 1992-10-13 Microscience International Corp. Disk spindle motor cap
US5367416A (en) * 1992-12-31 1994-11-22 International Business Machines Corporation Spindle grounding device using magnetic fluid

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