JP2005061486A5 - - Google Patents

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Publication number
JP2005061486A5
JP2005061486A5 JP2003290806A JP2003290806A JP2005061486A5 JP 2005061486 A5 JP2005061486 A5 JP 2005061486A5 JP 2003290806 A JP2003290806 A JP 2003290806A JP 2003290806 A JP2003290806 A JP 2003290806A JP 2005061486 A5 JP2005061486 A5 JP 2005061486A5
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JP
Japan
Prior art keywords
bearing
manufacturing
metal core
dynamic pressure
resin layer
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
JP2003290806A
Other languages
English (en)
Japanese (ja)
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JP4302462B2 (ja
JP2005061486A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2003290806A priority Critical patent/JP4302462B2/ja
Priority claimed from JP2003290806A external-priority patent/JP4302462B2/ja
Publication of JP2005061486A publication Critical patent/JP2005061486A/ja
Priority to US11/276,685 priority patent/US20060147133A1/en
Publication of JP2005061486A5 publication Critical patent/JP2005061486A5/ja
Application granted granted Critical
Publication of JP4302462B2 publication Critical patent/JP4302462B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

JP2003290806A 2003-08-08 2003-08-08 動圧軸受装置およびその製造方法、ならびに記録ディスク駆動装置 Expired - Fee Related JP4302462B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2003290806A JP4302462B2 (ja) 2003-08-08 2003-08-08 動圧軸受装置およびその製造方法、ならびに記録ディスク駆動装置
US11/276,685 US20060147133A1 (en) 2003-08-08 2006-03-10 Fluid Dynamic Bearing, Spindle Motor, Recording Disk Driving Device, and Method of Manufacturing Fluid Dynamic Bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003290806A JP4302462B2 (ja) 2003-08-08 2003-08-08 動圧軸受装置およびその製造方法、ならびに記録ディスク駆動装置

Publications (3)

Publication Number Publication Date
JP2005061486A JP2005061486A (ja) 2005-03-10
JP2005061486A5 true JP2005061486A5 (https=) 2006-06-15
JP4302462B2 JP4302462B2 (ja) 2009-07-29

Family

ID=34368716

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003290806A Expired - Fee Related JP4302462B2 (ja) 2003-08-08 2003-08-08 動圧軸受装置およびその製造方法、ならびに記録ディスク駆動装置

Country Status (2)

Country Link
US (1) US20060147133A1 (https=)
JP (1) JP4302462B2 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7692892B2 (en) * 2006-07-19 2010-04-06 Seagate Technology Llc Two-material base for a data storage system
WO2008032555A1 (en) * 2006-09-12 2008-03-20 Ntn Corporation Hydrodynamic bearing device
US8773816B1 (en) * 2013-03-13 2014-07-08 Nidec Corporation Spindle motor with hydrodynamic bearing structure having capillary seal and disk drive apparatus including same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4043644B2 (ja) * 1999-05-06 2008-02-06 日本電産株式会社 動圧軸受装置の製造方法
US6686674B2 (en) * 2000-12-04 2004-02-03 Kura Laboratory Corporation Motor having single cone fluid dynamic bearing balanced with magnetic attraction
JP2003035311A (ja) * 2001-07-23 2003-02-07 Yoshikazu Ichiyama 軸端で磁気吸引力と平衡させた単円錐動圧気体軸受を有するモータ
JP3631988B2 (ja) * 2001-07-24 2005-03-23 義和 市山 軸端の磁気吸引力と平衡させた単円錐動圧流体軸受を有するモータ

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