JP4861441B2 - ディスク駆動装置 - Google Patents

ディスク駆動装置 Download PDF

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Publication number
JP4861441B2
JP4861441B2 JP2009020953A JP2009020953A JP4861441B2 JP 4861441 B2 JP4861441 B2 JP 4861441B2 JP 2009020953 A JP2009020953 A JP 2009020953A JP 2009020953 A JP2009020953 A JP 2009020953A JP 4861441 B2 JP4861441 B2 JP 4861441B2
Authority
JP
Japan
Prior art keywords
hub
disk drive
drive device
thrust
shaft
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.)
Expired - Fee Related
Application number
JP2009020953A
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English (en)
Japanese (ja)
Other versions
JP2010176776A (ja
JP2010176776A5 (enrdf_load_stackoverflow
Inventor
卓司 山田
祐司 大村
光生 児玉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electro Mechanics Japan Advanced Technology Co Ltd
Original Assignee
Alphana Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Alphana Technology Co Ltd filed Critical Alphana Technology Co Ltd
Priority to JP2009020953A priority Critical patent/JP4861441B2/ja
Priority to US12/576,179 priority patent/US8243383B2/en
Publication of JP2010176776A publication Critical patent/JP2010176776A/ja
Publication of JP2010176776A5 publication Critical patent/JP2010176776A5/ja
Application granted granted Critical
Publication of JP4861441B2 publication Critical patent/JP4861441B2/ja
Priority to US13/530,344 priority patent/US8427778B2/en
Priority to US13/850,191 priority patent/US8665556B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Sliding-Contact Bearings (AREA)
  • Rotational Drive Of Disk (AREA)
JP2009020953A 2009-01-30 2009-01-30 ディスク駆動装置 Expired - Fee Related JP4861441B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2009020953A JP4861441B2 (ja) 2009-01-30 2009-01-30 ディスク駆動装置
US12/576,179 US8243383B2 (en) 2009-01-30 2009-10-08 Disk drive device provided with fluid dynamic bearing
US13/530,344 US8427778B2 (en) 2009-01-30 2012-06-22 Disk drive device provided with fluid dynamic bearing
US13/850,191 US8665556B2 (en) 2009-01-30 2013-03-25 Disk drive device provided with fluid dynamic bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009020953A JP4861441B2 (ja) 2009-01-30 2009-01-30 ディスク駆動装置

Publications (3)

Publication Number Publication Date
JP2010176776A JP2010176776A (ja) 2010-08-12
JP2010176776A5 JP2010176776A5 (enrdf_load_stackoverflow) 2011-11-04
JP4861441B2 true JP4861441B2 (ja) 2012-01-25

Family

ID=42707588

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009020953A Expired - Fee Related JP4861441B2 (ja) 2009-01-30 2009-01-30 ディスク駆動装置

Country Status (1)

Country Link
JP (1) JP4861441B2 (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012193837A (ja) 2010-08-09 2012-10-11 Nippon Densan Corp スピンドルモータおよびディスク駆動装置
KR101339596B1 (ko) * 2011-12-01 2013-12-10 삼성전기주식회사 스핀들 모터
KR101350586B1 (ko) * 2012-03-08 2014-01-14 삼성전기주식회사 유체 동압 베어링 어셈블리 및 이를 포함하는 모터
JP7686527B2 (ja) * 2021-10-06 2025-06-02 ミネベアミツミ株式会社 スピンドルモータおよびその製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4302413B2 (ja) * 2003-03-10 2009-07-29 日本電産株式会社 流体動圧軸受、スピンドルモータ及び記録ディスクドライブ装置
JP2004316680A (ja) * 2003-04-11 2004-11-11 Nippon Densan Corp スピンドルモータ、及びこれを備えた記録ディスク駆動装置
JP4571593B2 (ja) * 2006-01-30 2010-10-27 アルファナテクノロジー株式会社 モータ
JP2007292107A (ja) * 2006-04-21 2007-11-08 Matsushita Electric Ind Co Ltd 流体軸受式回転装置
JP5072491B2 (ja) * 2006-09-07 2012-11-14 アルファナテクノロジー株式会社 モータ及びモータの製造方法

Also Published As

Publication number Publication date
JP2010176776A (ja) 2010-08-12

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