JP5717953B2 - ディスク駆動装置 - Google Patents

ディスク駆動装置 Download PDF

Info

Publication number
JP5717953B2
JP5717953B2 JP2009133407A JP2009133407A JP5717953B2 JP 5717953 B2 JP5717953 B2 JP 5717953B2 JP 2009133407 A JP2009133407 A JP 2009133407A JP 2009133407 A JP2009133407 A JP 2009133407A JP 5717953 B2 JP5717953 B2 JP 5717953B2
Authority
JP
Japan
Prior art keywords
flange
counter plate
adhesive
slope
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.)
Expired - Fee Related
Application number
JP2009133407A
Other languages
English (en)
Japanese (ja)
Other versions
JP2010281349A5 (https=
JP2010281349A (ja
Inventor
祐司 西谷
祐司 西谷
Original Assignee
サムスン電機ジャパンアドバンスドテクノロジー株式会社
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 サムスン電機ジャパンアドバンスドテクノロジー株式会社 filed Critical サムスン電機ジャパンアドバンスドテクノロジー株式会社
Priority to JP2009133407A priority Critical patent/JP5717953B2/ja
Priority to US12/769,559 priority patent/US8315011B2/en
Publication of JP2010281349A publication Critical patent/JP2010281349A/ja
Publication of JP2010281349A5 publication Critical patent/JP2010281349A5/ja
Application granted granted Critical
Publication of JP5717953B2 publication Critical patent/JP5717953B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
    • G11B19/2036—Motors characterized by fluid-dynamic bearings

Landscapes

  • Mounting Of Bearings Or Others (AREA)
  • Rotational Drive Of Disk (AREA)
  • Sliding-Contact Bearings (AREA)
JP2009133407A 2009-06-02 2009-06-02 ディスク駆動装置 Expired - Fee Related JP5717953B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009133407A JP5717953B2 (ja) 2009-06-02 2009-06-02 ディスク駆動装置
US12/769,559 US8315011B2 (en) 2009-06-02 2010-04-28 Disk drive device improved in stiffness of fluid dynamic bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009133407A JP5717953B2 (ja) 2009-06-02 2009-06-02 ディスク駆動装置

Publications (3)

Publication Number Publication Date
JP2010281349A JP2010281349A (ja) 2010-12-16
JP2010281349A5 JP2010281349A5 (https=) 2012-06-28
JP5717953B2 true JP5717953B2 (ja) 2015-05-13

Family

ID=43219932

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009133407A Expired - Fee Related JP5717953B2 (ja) 2009-06-02 2009-06-02 ディスク駆動装置

Country Status (2)

Country Link
US (1) US8315011B2 (https=)
JP (1) JP5717953B2 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11136988B2 (en) * 2019-03-29 2021-10-05 Nidec Corporation Gas dynamic bearing, motor, and blower apparatus

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012089200A (ja) * 2010-10-19 2012-05-10 Alphana Technology Co Ltd 回転機器及び回転機器の製造方法
US8737018B2 (en) * 2012-09-21 2014-05-27 Nidec Corporation Spindle motor and disk drive apparatus
US8913344B1 (en) 2013-10-25 2014-12-16 Seagate Technology Llc Dynamically adjustable fluid dynamic bearing stiffness
JP2023162915A (ja) * 2022-04-27 2023-11-09 ニデック株式会社 モータ、ディスク駆動装置

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5653540A (en) * 1994-07-22 1997-08-05 Seagate Technology, Inc. Hydrodynamic bearing assembly with single sided grooved counterplace
US5877918A (en) * 1994-09-02 1999-03-02 Kabushiki Kaisha Sankyo Seiki Seisakusho Disk driving device with hub flange secured between yoke and drive magnet
GB2330181B (en) * 1997-04-23 2001-04-11 Seagate Technology Both ends open fluid dynamic bearing with multiple thrust plates
WO1998048188A1 (en) * 1997-04-24 1998-10-29 Seagate Technology, Inc. Both ends open fluid dynamic bearing having a journal in combination with a conical bearing
US6154339A (en) * 1997-11-06 2000-11-28 Seagate Technology Llc. Centrifugal capillary seal for use with fluid dynamic bearings
US6343877B1 (en) * 1999-04-15 2002-02-05 Kabushiki Kaisha Sankyo Seiki Seisakusho Spindle motor
JP2000304052A (ja) * 1999-04-21 2000-10-31 Sankyo Seiki Mfg Co Ltd 流体軸受装置およびその製造方法
JP3958922B2 (ja) * 2000-08-23 2007-08-15 Ｎｔｎ株式会社 動圧型軸受ユニットおよびその製造方法
JP4458659B2 (ja) * 2000-12-11 2010-04-28 パナソニック株式会社 軸受装置およびその製造方法
US7101084B2 (en) * 2002-04-12 2006-09-05 Kabushiki Kaisha Sankyo Seiki Seisakusho Dynamic pressure bearing device
JP2003028147A (ja) * 2001-07-19 2003-01-29 Sankyo Seiki Mfg Co Ltd 流体動圧軸受装置
DE10210231A1 (de) * 2002-03-08 2003-09-25 Minebea Co Ltd Spindelmotor und Festplattenlaufwerk
US6998745B2 (en) * 2002-03-12 2006-02-14 Minebea Co., Ltd. Dynamo-electric machine having a rotor with first and second axially or rotationally displacable field magnets
US7095147B2 (en) * 2003-01-21 2006-08-22 Seagate Technology Llc Single thrust magnetically biased fully recirculating self purging fluid dynamic bearing motor
US6828709B2 (en) * 2002-08-19 2004-12-07 Seagate Technology Llc Motor having a fluid dynamic bearing with a radial capillary seal and re-circulation
JP3991215B2 (ja) * 2002-09-20 2007-10-17 株式会社ジェイテクト 動圧軸受装置
US7262935B2 (en) * 2002-11-07 2007-08-28 Seagate Technology Llc Top cover attached single plate fluid dynamic bearing motor
US7201517B2 (en) * 2003-06-23 2007-04-10 Nidec Corporation Hydrodynamic bearing device and a recording disk drive equipped with it
CN1306684C (zh) * 2003-11-07 2007-03-21 日本电产株式会社 主轴马达和包括该主轴马达的记录磁盘驱动装置
JP4386817B2 (ja) * 2004-10-07 2009-12-16 パナソニック株式会社 流体軸受装置及びその製造方法
JP4639811B2 (ja) * 2005-01-18 2011-02-23 日本電産株式会社 流体軸受装置
KR100756575B1 (ko) * 2005-06-30 2007-09-07 닛뽕빅터 가부시키가이샤 모터
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
JP4829039B2 (ja) * 2006-08-22 2011-11-30 アルファナテクノロジー株式会社 流体動圧軸受装置及びそれを備えたモータ
US20090021859A1 (en) * 2007-07-19 2009-01-22 Seagate Technology Llc Overmolded motor hub

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11136988B2 (en) * 2019-03-29 2021-10-05 Nidec Corporation Gas dynamic bearing, motor, and blower apparatus

Also Published As

Publication number Publication date
US8315011B2 (en) 2012-11-20
JP2010281349A (ja) 2010-12-16
US20100302673A1 (en) 2010-12-02

Similar Documents

Publication Publication Date Title
US8638526B2 (en) Rotating device
JP5718090B2 (ja) 回転機器
JP5717953B2 (ja) ディスク駆動装置
JP2011090739A (ja) ディスク駆動装置
JP2007282374A (ja) ロータ部品、モータおよび記録ディスク駆動装置
JP2013179727A (ja) 回転機器
JP5342959B2 (ja) ディスク駆動装置
US8913343B2 (en) Rotating device using a fluid dynamic bearing with magnet and suction plate
US8599516B2 (en) Disk drive device in which reduction in unbalanced amount can be adjusted
JP2006153269A (ja) 動圧軸受装置
JP2007244146A (ja) ロータハブ、モータおよび記録ディスク駆動装置
JP2014040893A (ja) 回転機器
US8608384B2 (en) Rotating device
US8564164B2 (en) Motor
JP2013133865A (ja) 流体動圧軸受ユニットおよび回転機器
JP5210054B2 (ja) モータおよびそれを用いたディスク駆動装置
US20130082562A1 (en) Spindle motor
US20060176612A1 (en) Motor and Recording Disk Driving Device
JP5845715B2 (ja) スピンドルモータ、ディスク駆動装置、およびスピンドルモータの製造方法
US20200005826A1 (en) Spindle motor
JP2014032713A (ja) 回転機器
JP2002101610A (ja) 磁気ディスク装置及びモータ
JPH10146014A (ja) スピンドルモータ
JP2015019510A (ja) 回転機器
JP2011021631A (ja) ディスク駆動装置

Legal Events

Date Code Title Description
RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20120302

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20120511

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20120511

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20130809

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20130813

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20130905

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20140204

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20140227

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20140718

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20140910

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20150311

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20150318

R150 Certificate of patent or registration of utility model

Ref document number: 5717953

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

LAPS Cancellation because of no payment of annual fees