JP2006153228A5 - - Google Patents

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Publication number
JP2006153228A5
JP2006153228A5 JP2004348135A JP2004348135A JP2006153228A5 JP 2006153228 A5 JP2006153228 A5 JP 2006153228A5 JP 2004348135 A JP2004348135 A JP 2004348135A JP 2004348135 A JP2004348135 A JP 2004348135A JP 2006153228 A5 JP2006153228 A5 JP 2006153228A5
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.)
Granted
Application number
JP2004348135A
Other versions
JP4473716B2 (ja
JP2006153228A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2004348135A priority Critical patent/JP4473716B2/ja
Priority claimed from JP2004348135A external-priority patent/JP4473716B2/ja
Priority to PCT/IB2005/003594 priority patent/WO2006059205A1/en
Priority to US11/666,742 priority patent/US7661882B2/en
Publication of JP2006153228A publication Critical patent/JP2006153228A/ja
Publication of JP2006153228A5 publication Critical patent/JP2006153228A5/ja
Application granted granted Critical
Publication of JP4473716B2 publication Critical patent/JP4473716B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2004348135A 2004-12-01 2004-12-01 流体動圧軸受装置及び該流体動圧軸受装置を備えたスピンドルモ−タ、記録ディスク駆動装置 Expired - Fee Related JP4473716B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2004348135A JP4473716B2 (ja) 2004-12-01 2004-12-01 流体動圧軸受装置及び該流体動圧軸受装置を備えたスピンドルモ−タ、記録ディスク駆動装置
PCT/IB2005/003594 WO2006059205A1 (en) 2004-12-01 2005-11-29 Fluid dynamic pressure bearing device, spindle motor provided with the fluid dynamic pressure bearing device, and recording disk drive device
US11/666,742 US7661882B2 (en) 2004-12-01 2005-11-29 Fluid dynamic pressure bearing device, spindle motor provided with the fluid dynamic pressure bearing device, and recording disk drive device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004348135A JP4473716B2 (ja) 2004-12-01 2004-12-01 流体動圧軸受装置及び該流体動圧軸受装置を備えたスピンドルモ−タ、記録ディスク駆動装置

Publications (3)

Publication Number Publication Date
JP2006153228A JP2006153228A (ja) 2006-06-15
JP2006153228A5 true JP2006153228A5 (ja) 2007-11-15
JP4473716B2 JP4473716B2 (ja) 2010-06-02

Family

ID=36216872

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004348135A Expired - Fee Related JP4473716B2 (ja) 2004-12-01 2004-12-01 流体動圧軸受装置及び該流体動圧軸受装置を備えたスピンドルモ−タ、記録ディスク駆動装置

Country Status (3)

Country Link
US (1) US7661882B2 (ja)
JP (1) JP4473716B2 (ja)
WO (1) WO2006059205A1 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5274820B2 (ja) * 2007-12-07 2013-08-28 Ｎｔｎ株式会社 流体軸受装置
KR101060802B1 (ko) * 2009-08-06 2011-08-30 삼성전기주식회사 모터 및 기록 디스크 구동장치
DE102009037519A1 (de) * 2009-08-17 2011-02-24 Minebea Co., Ltd. Fluiddynamisches Lagersystem
KR101101644B1 (ko) * 2010-06-28 2012-01-02 삼성전기주식회사 모터 및 기록 디스크 구동장치
KR20130072619A (ko) * 2011-12-22 2013-07-02 삼성전기주식회사 스핀들 모터
KR20130088355A (ko) * 2012-01-31 2013-08-08 삼성전기주식회사 스핀들 모터
KR101434020B1 (ko) * 2012-07-04 2014-08-25 삼성전기주식회사 스핀들 모터
CN102780314B (zh) * 2012-07-11 2014-09-03 中国科学院宁波材料技术与工程研究所 一种直驱式外转子回转驱动装置
DE102013008049A1 (de) * 2013-05-13 2014-11-13 Minebea Co., Ltd. Fluiddynamisches Lagersystem
JP2020126669A (ja) * 2020-04-15 2020-08-20 株式会社応用電子 認証システム

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08105445A (ja) * 1994-07-22 1996-04-23 Quantum Corp 非分離形流体ベアリング装置および非分離形流体ベアリングディスクスピンドルアセンブリ
US5876124A (en) * 1995-08-25 1999-03-02 Quantum Corporation Hydrodynamic bearing unit
US5634724A (en) * 1995-08-25 1997-06-03 Quantum Corporation Hydrodynamic bearing for spindle motor having high inertial load
US6296391B1 (en) * 1997-06-09 2001-10-02 Sankyo Seiki Mfg. Co., Ltd. Hydrodynamic bearing apparatus
SG92616A1 (en) * 1997-09-12 2002-11-19 Matsushita Electric Ind Co Ltd Spindle device having a dynamic-pressure-fluid bearing
US6154339A (en) * 1997-11-06 2000-11-28 Seagate Technology Llc. Centrifugal capillary seal for use with fluid dynamic bearings
JPH11230163A (ja) 1998-02-09 1999-08-27 Matsushita Electric Ind Co Ltd 流体軸受装置
JP3978999B2 (ja) 2000-11-17 2007-09-19 株式会社ジェイテクト 動圧軸受装置
US6814492B2 (en) * 2003-01-30 2004-11-09 Minebea Co., Ltd. Fluid trap for oil migration prevention
US6854889B2 (en) * 2003-03-04 2005-02-15 Nidec Corporation Hydrodynamic pressure bearing, spindle motor in which it is utilized, and disk-drive device furnished with the spindle motor
JP4056416B2 (ja) * 2003-03-24 2008-03-05 日本電産株式会社 動圧軸受及びこれを用いたスピンドルモータ並びにこのスピンドルモータを備えたディスク駆動装置
US6900568B2 (en) * 2003-04-16 2005-05-31 Seagate Technology Llc Fluid dynamic bearing motor configured with an integrated counterplate to contain bearing fluid

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