JP2011021631A5 - - Google Patents

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Publication number
JP2011021631A5
JP2011021631A5 JP2009164831A JP2009164831A JP2011021631A5 JP 2011021631 A5 JP2011021631 A5 JP 2011021631A5 JP 2009164831 A JP2009164831 A JP 2009164831A JP 2009164831 A JP2009164831 A JP 2009164831A JP 2011021631 A5 JP2011021631 A5 JP 2011021631A5
Authority
JP
Japan
Prior art keywords
recess
sleeve
shaft
peripheral surface
disk drive
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
Application number
JP2009164831A
Other languages
English (en)
Japanese (ja)
Other versions
JP5306086B2 (ja
JP2011021631A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2009164831A priority Critical patent/JP5306086B2/ja
Priority claimed from JP2009164831A external-priority patent/JP5306086B2/ja
Priority to US12/815,289 priority patent/US8398308B2/en
Publication of JP2011021631A publication Critical patent/JP2011021631A/ja
Publication of JP2011021631A5 publication Critical patent/JP2011021631A5/ja
Application granted granted Critical
Publication of JP5306086B2 publication Critical patent/JP5306086B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2009164831A 2009-07-13 2009-07-13 ディスク駆動装置 Expired - Fee Related JP5306086B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009164831A JP5306086B2 (ja) 2009-07-13 2009-07-13 ディスク駆動装置
US12/815,289 US8398308B2 (en) 2009-07-13 2010-06-14 Disk drive device provided with fluid dynamic bearing unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009164831A JP5306086B2 (ja) 2009-07-13 2009-07-13 ディスク駆動装置

Publications (3)

Publication Number Publication Date
JP2011021631A JP2011021631A (ja) 2011-02-03
JP2011021631A5 true JP2011021631A5 (enExample) 2012-07-26
JP5306086B2 JP5306086B2 (ja) 2013-10-02

Family

ID=43427522

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009164831A Expired - Fee Related JP5306086B2 (ja) 2009-07-13 2009-07-13 ディスク駆動装置

Country Status (2)

Country Link
US (1) US8398308B2 (enExample)
JP (1) JP5306086B2 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5892375B2 (ja) 2011-06-30 2016-03-23 日本電産株式会社 動圧軸受装置およびファン
JP2013108470A (ja) * 2011-11-24 2013-06-06 Nippon Densan Corp ファン
JP7101983B2 (ja) * 2018-09-03 2022-07-19 均 西谷 引戸用クローザー

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3342136B2 (ja) * 1993-11-24 2002-11-05 日本電産株式会社 スピンドルモータ
US5667309A (en) * 1994-11-15 1997-09-16 Sankyo Seiki Mfg. Co., Ltd. Bearing seal system
JP3933692B2 (ja) * 1995-12-22 2007-06-20 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Ｖ字状オイルバリヤ溝を有する動力学的溝軸受
JP2001082458A (ja) * 1999-09-08 2001-03-27 Koyo Seiko Co Ltd 動圧軸受
JP2002266852A (ja) * 2001-03-13 2002-09-18 Victor Co Of Japan Ltd スピンドルモータ
JP2003270582A (ja) * 2002-03-15 2003-09-25 Fuji Xerox Co Ltd 光偏向走査装置
JP2004144284A (ja) * 2002-08-28 2004-05-20 Seiko Instruments Inc 流体動圧軸受装置、モータ、および記録媒体駆動装置
JP4700394B2 (ja) * 2004-05-12 2011-06-15 ミネベア株式会社 流体動圧軸受、該流体動圧軸受を備えたスピンドルモータ並びに記録ディスク駆動装置
JP2007107622A (ja) * 2005-10-14 2007-04-26 Matsushita Electric Ind Co Ltd 動圧軸受装置およびそれを用いたスピンドルモータ
US8194347B2 (en) * 2007-08-30 2012-06-05 Hitachi Global Storage Technologies, Netherlands B.V. Designed roughness and surface treatments for capillary buffer of fluid dynamic bearings

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