JP5553621B2 - 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
JP5553621B2
JP5553621B2 JP2010013195A JP2010013195A JP5553621B2 JP 5553621 B2 JP5553621 B2 JP 5553621B2 JP 2010013195 A JP2010013195 A JP 2010013195A JP 2010013195 A JP2010013195 A JP 2010013195A JP 5553621 B2 JP5553621 B2 JP 5553621B2
Authority
JP
Japan
Prior art keywords
narrow gap
axial
disk drive
outer peripheral
suction plate
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
JP2010013195A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011150770A5 (enExample
JP2011150770A (ja
Inventor
光生 児玉
義夫 黒川
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 JP2010013195A priority Critical patent/JP5553621B2/ja
Priority to US12/969,194 priority patent/US8427777B2/en
Publication of JP2011150770A publication Critical patent/JP2011150770A/ja
Priority to US13/850,111 priority patent/US8634160B2/en
Publication of JP2011150770A5 publication Critical patent/JP2011150770A5/ja
Application granted granted Critical
Publication of JP5553621B2 publication Critical patent/JP5553621B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • G11B19/2045—Hubs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
    • F16C17/102—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure
    • F16C17/107—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure with at least one surface for radial load and at least one surface for axial load
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/74—Sealings of sliding-contact bearings
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
    • H02K5/1675—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotary shaft at only one end of the rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2370/00—Apparatus relating to physics, e.g. instruments
    • F16C2370/12—Hard disk drives or the like
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08—Structural association with bearings
    • H02K7/09—Structural association with bearings with magnetic bearings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Power Engineering (AREA)
  • Rotational Drive Of Disk (AREA)
  • Sliding-Contact Bearings (AREA)
JP2010013195A 2010-01-25 2010-01-25 ディスク駆動装置 Expired - Fee Related JP5553621B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2010013195A JP5553621B2 (ja) 2010-01-25 2010-01-25 ディスク駆動装置
US12/969,194 US8427777B2 (en) 2010-01-25 2010-12-15 Disk drive device provided with lubricant-filled fluid dynamic bearing
US13/850,111 US8634160B2 (en) 2010-01-25 2013-03-25 Disk drive device provided with lubricant-filled fluid dynamic bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010013195A JP5553621B2 (ja) 2010-01-25 2010-01-25 ディスク駆動装置

Publications (3)

Publication Number Publication Date
JP2011150770A JP2011150770A (ja) 2011-08-04
JP2011150770A5 JP2011150770A5 (enExample) 2013-06-27
JP5553621B2 true JP5553621B2 (ja) 2014-07-16

Family

ID=44308788

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010013195A Expired - Fee Related JP5553621B2 (ja) 2010-01-25 2010-01-25 ディスク駆動装置

Country Status (2)

Country Link
US (2) US8427777B2 (enExample)
JP (1) JP5553621B2 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5660704B2 (ja) * 2010-05-11 2015-01-28 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 回転機器および回転機器の製造方法
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
JP2014103726A (ja) * 2012-11-19 2014-06-05 Nippon Densan Corp スピンドルモータおよびディスク駆動装置
US9082448B2 (en) * 2013-01-29 2015-07-14 Samsung Electro-Mechanics Japan Advanced Technology Co., Ltd. Disk drive device with structure that can suppress vaporization and diffusion of lubricant
US8908321B2 (en) * 2013-03-29 2014-12-09 Samsung Electro-Mechanics Co., Ltd. Spindle motor and hard disk drive including the same
US9692273B2 (en) * 2013-07-12 2017-06-27 Nidec Corporation Spindle motor, electronics device and disk drive apparatus
US20160172931A1 (en) * 2014-12-11 2016-06-16 Joseph Michael Teets Alternator rotor to stator integrated hrdrodynamic bearing

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5723033A (en) * 1995-09-06 1998-03-03 Akashic Memories Corporation Discrete track media produced by underlayer laser ablation
JPH11136917A (ja) * 1997-10-27 1999-05-21 Victor Co Of Japan Ltd ハードディスクドライブ用スピンドルモータ
JP3839681B2 (ja) * 2001-04-13 2006-11-01 日本電産株式会社 スピンドルモータ
JP2003061305A (ja) * 2001-08-13 2003-02-28 Nippon Densan Corp モータおよびディスク装置
KR100638947B1 (ko) * 2002-09-30 2006-10-25 시게이트 테크놀로지 엘엘씨 회전자 및 고정자 사이에 회전 오비탈 링을 갖도록 구성된 유체 다이내믹 베어링
JP2005180467A (ja) * 2003-12-16 2005-07-07 Kura Gijutsu Kenkyusho:Kk 可変開口を有する動圧流体軸受モータ
US7394622B2 (en) * 2004-12-07 2008-07-01 Seagate Technology Llc Magnetic recording media with discrete tracks of magnetic material in a magnetically soft underlayer
US7161753B2 (en) * 2005-01-28 2007-01-09 Komag, Inc. Modulation of sidewalls of servo sectors of a magnetic disk and the resultant disk
CN100429697C (zh) * 2005-02-16 2008-10-29 Tdk股份有限公司 磁记录介质、记录重放装置及压印模
JP2006277868A (ja) * 2005-03-30 2006-10-12 Toshiba Corp ディスクリートトラック媒体およびその製造方法
JP2007323724A (ja) * 2006-05-31 2007-12-13 Toshiba Corp パターンド媒体およびその製造方法、ならびに磁気記録再生装置
JP2008010033A (ja) * 2006-06-27 2008-01-17 Toshiba Corp ディスク装置
JP4599328B2 (ja) * 2006-07-03 2010-12-15 株式会社東芝 磁気記録媒体
JP4600388B2 (ja) * 2006-11-28 2010-12-15 Ｔｄｋ株式会社 磁気記録媒体、記録再生装置およびスタンパー
US7652839B2 (en) * 2007-04-26 2010-01-26 Hitachi Global Storage Technologies Netherlands B.V. Magnetic recording disk with identical servo patterns formed on each disk surface by single master template and disk drive using the disk
JP5037213B2 (ja) 2007-04-27 2012-09-26 日野自動車株式会社 機械式自動変速機の変速制御装置
JP5151268B2 (ja) * 2007-06-25 2013-02-27 日本電産株式会社 モータおよびディスク駆動装置
JP4941156B2 (ja) * 2007-07-30 2012-05-30 日本電産株式会社 流体動圧軸受装置、スピンドルモータ、およびディスク駆動装置
US8130468B2 (en) * 2007-12-17 2012-03-06 Hitachi Global Storage Technolgies Netherlands B.V. System and apparatus for patterned media with reduced magnetic trench material
JP2009201291A (ja) * 2008-02-22 2009-09-03 Nippon Densan Corp 記録ディスク駆動用モータおよびこれを備えた記録ディスク駆動装置
JP2009271973A (ja) * 2008-05-01 2009-11-19 Showa Denko Kk 磁気記録媒体および磁気記録再生装置
JP2010078100A (ja) * 2008-09-26 2010-04-08 Panasonic Corp 流体軸受装置およびこれを備えたスピンドルモータ、情報装置
US8243383B2 (en) * 2009-01-30 2012-08-14 Alphana Technology Co., Ltd. Disk drive device provided with fluid dynamic bearing
JP2012069173A (ja) * 2009-02-19 2012-04-05 Hoya Corp 磁気記録媒体
JP5485588B2 (ja) * 2009-05-26 2014-05-07 エイチジーエスティーネザーランドビーブイ 磁気記録媒体及びその製造方法
US8059350B2 (en) * 2009-10-22 2011-11-15 Hitachi Global Storage Technologies Netherlands B.V. Patterned magnetic recording disk with patterned servo sectors having chevron servo patterns
US8435399B2 (en) * 2010-01-11 2013-05-07 Seagate Technology Llc Formation of patterned media by selective anodic removal followed by targeted trench backfill
JP5259645B2 (ja) * 2010-04-14 2013-08-07 株式会社東芝 磁気記録媒体及びその製造方法

Also Published As

Publication number Publication date
JP2011150770A (ja) 2011-08-04
US8427777B2 (en) 2013-04-23
US20110181986A1 (en) 2011-07-28
US8634160B2 (en) 2014-01-21
US20130215533A1 (en) 2013-08-22

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