DE69603274T2 - Plattenantriebsvorrichtung mit schwingungsdämpfenden eigenschaften - Google Patents

Plattenantriebsvorrichtung mit schwingungsdämpfenden eigenschaften

Info

Publication number
DE69603274T2
DE69603274T2 DE69603274T DE69603274T DE69603274T2 DE 69603274 T2 DE69603274 T2 DE 69603274T2 DE 69603274 T DE69603274 T DE 69603274T DE 69603274 T DE69603274 T DE 69603274T DE 69603274 T2 DE69603274 T2 DE 69603274T2
Authority
DE
Germany
Prior art keywords
disk drive
drive device
vibration damping
damping properties
properties
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
DE69603274T
Other languages
English (en)
Other versions
DE69603274D1 (de
Inventor
James Back
Forest Back
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.)
Rubber Tech Inc
Original Assignee
Rubber Tech Inc
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 Rubber Tech Inc filed Critical Rubber Tech Inc
Publication of DE69603274D1 publication Critical patent/DE69603274D1/de
Application granted granted Critical
Publication of DE69603274T2 publication Critical patent/DE69603274T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
    • 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
    • G11B19/2018—Incorporating means for passive damping of vibration, either in the turntable, motor or mounting
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
    • G11B25/043—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card using rotating discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
    • G11B33/08—Insulation or absorption of undesired vibrations or sounds
    • 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
    • H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
    • H02K5/1737—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Moving Of Heads (AREA)
DE69603274T 1995-05-19 1996-05-17 Plattenantriebsvorrichtung mit schwingungsdämpfenden eigenschaften Expired - Fee Related DE69603274T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US44534595A 1995-05-19 1995-05-19
US44652895A 1995-05-19 1995-05-19
PCT/US1996/007175 WO1996036968A1 (en) 1995-05-19 1996-05-17 Disk drive assembly with vibration dampening characteristics

Publications (2)

Publication Number Publication Date
DE69603274D1 DE69603274D1 (de) 1999-08-19
DE69603274T2 true DE69603274T2 (de) 1999-12-16

Family

ID=27034272

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69603274T Expired - Fee Related DE69603274T2 (de) 1995-05-19 1996-05-17 Plattenantriebsvorrichtung mit schwingungsdämpfenden eigenschaften

Country Status (5)

Country Link
US (1) US5930071A (de)
EP (1) EP0826214B1 (de)
AU (1) AU5863696A (de)
DE (1) DE69603274T2 (de)
WO (1) WO1996036968A1 (de)

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EP0856845B1 (de) * 1997-02-03 2004-08-11 Hitachi, Ltd. Plattengerät mit verbessertem Dämpfungsmittel
DE19741977A1 (de) * 1997-09-23 1999-03-25 Pm Dm Gmbh Spindelmotor mit Geräuschdämpfung für Festplattenspeicher
US6038105A (en) * 1997-12-01 2000-03-14 Seagate Technology, Inc. Temperature-compensated rotary actuator cartridge bearing stablizer
US6163441A (en) * 1998-02-24 2000-12-19 Seagate Technology Llc Resonance dampening actuator bearing assembly
JP2000163859A (ja) * 1998-11-24 2000-06-16 Fujitsu Ltd 記録ディスク駆動装置およびスピンドルモータ
US6801386B1 (en) 1999-04-21 2004-10-05 Seagate Technology Llc Damper design on pivot bearing shaft by vibration reduction
US6411472B1 (en) * 1999-04-21 2002-06-25 Seagate Technology Llc Dual metal laminate tolerance ring for acoustic and vibration damping
US6512658B1 (en) 1999-05-12 2003-01-28 Seagate Technology Llc Viscoelastic voice coil damper for disc drives
US6683756B1 (en) * 1999-06-04 2004-01-27 Seagate Technology Llc Actuator assembly with enhanced bonding surface for bonding a voice coil to a yoke
US6304409B1 (en) * 1999-06-30 2001-10-16 Seagate Technology Llc Active damping of actuator bearing translational mode
US6477042B1 (en) 1999-11-18 2002-11-05 Siemens Energy & Automation, Inc. Disk drive mounting system for absorbing shock and vibration in a machining environment
JP2001327105A (ja) * 2000-05-17 2001-11-22 Fujitsu General Ltd 電動機の回転子およびその製造方法
US6480363B1 (en) 2000-05-22 2002-11-12 International Business Machines Corporation Hard disk drive actuator assembly with damped tolerance ring for enhancing drive performance during structural resonance modes
US6490138B1 (en) 2000-08-30 2002-12-03 International Business Machines Corporation Multiple actuator pivot bearing
US6560075B2 (en) 2001-04-10 2003-05-06 Hitachi Global Storage Technologies Disk drive with multiple actuators and reduced actuator interactions
US6867949B1 (en) * 2001-04-19 2005-03-15 Maxtor Corporation Vibration-damped push-pin assembly for disk drive servo writing
US6618226B2 (en) 2001-07-10 2003-09-09 International Business Machines Corporation Locally deformable sleeve on disk drive pivot assembly
KR100442872B1 (ko) * 2002-02-16 2004-08-02 삼성전자주식회사 하드디스크 드라이브의 액츄에이터 지지장치
US6751051B1 (en) * 2002-03-29 2004-06-15 Western Digital Technologies, Inc. Reduced acoustics treatment spindle motor for a disk drive
WO2004025629A1 (en) * 2002-09-16 2004-03-25 Sae Magnetics (H. K.) Ltd. A voice coil motor for a hard disk drive
US7085108B1 (en) * 2002-09-30 2006-08-01 Western Digital Technologies, Inc. Disk drive including pivot-bearing cartridge tolerance ring having a damping layer for actuator resonance reduction
US6947260B2 (en) * 2002-11-18 2005-09-20 Hitachi Global Storage Technologies Netherlands B.V. System and method of damping vibration on coil supports in high performance disk drives with rotary actuators
US6970322B2 (en) * 2003-06-18 2005-11-29 Seagate Technology Llc Bulkhead connector for low leak rate disc drives
US7119993B2 (en) * 2003-11-14 2006-10-10 Seagate Technology Llc Actuator assembly including a circuit assembly and a damper therefor
DE102006005602B4 (de) * 2006-02-06 2010-12-23 Minebea Co., Ltd. Fluiddynamisches Lagersystem
DE102006021244A1 (de) 2006-04-28 2007-11-08 Bühler Motor GmbH Permanentmagnetrotor
CN102763308B (zh) * 2010-02-27 2016-06-08 Mbs工程有限公司 具有增加的物理强度的改进的磁体转子组件
US10186287B2 (en) 2017-06-07 2019-01-22 Western Digital Technologies, Inc. Split-shaft pivot for a dual-actuator hard disk drive
US10332555B1 (en) * 2017-06-07 2019-06-25 Western Digital Technologies, Inc. Reducing vibration transmission in a dual actuator disk drive utilizing a single pivot shaft
US10186286B2 (en) 2017-06-07 2019-01-22 Western Digital Technologies, Inc. Techniques for reducing dynamic coupling of system modes in a dual actuator hard disk drive
US10276194B2 (en) 2017-06-21 2019-04-30 Western Digital Technologies, Inc. Split-shaft pivot with interface spacer for a dual-actuator hard disk drive
JP2023011351A (ja) * 2021-07-12 2023-01-24 株式会社東芝 ディスク装置

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US2193549A (en) * 1938-07-05 1940-03-12 Jess D Chamberlin Steering column bushing
US2283839A (en) * 1939-06-17 1942-05-19 Norma Hoffmann Bearings Corp Rubber insulated bearing unit
US2414335A (en) * 1945-01-19 1947-01-14 Jack & Heintz Prec Ind Inc Ball-bearing assembly
US2608451A (en) * 1948-03-27 1952-08-26 Split Ballbearing Corp Cushioned bearing and bushing therefor
US4144466A (en) * 1977-09-30 1979-03-13 International Business Machines Corporation Damping vibrations in voice coil actuator
DE3347360C2 (de) * 1983-12-28 1995-04-13 Papst Motoren Gmbh & Co Kg Kollektorloser Außenläufer-Gleichstrommotor
US4730227A (en) * 1984-12-19 1988-03-08 International Business Machines Corporation Disk file actuator with combined carriage rail and isolator mount for drive magnet
US4683505A (en) * 1984-12-24 1987-07-28 International Business Machines Corporation Alternately centered disk pack assembly and method
US4831476A (en) * 1985-07-15 1989-05-16 Allen-Bradley Company Disc drive isolation system
JPS62149075A (ja) * 1985-12-23 1987-07-03 Hitachi Ltd 磁気デイスク装置
JPS62287465A (ja) * 1986-06-04 1987-12-14 Nec Corp 磁気デイスク装置のスピンドルモ−タ
US4870703A (en) * 1986-12-15 1989-09-26 Raymond Engineering Inc. Magnetic disc memory unit
US4896239A (en) * 1987-03-30 1990-01-23 Seagate Technology, Inc. Bi-compliant rotor stepper motor for an actuator in a disc drive
JP2638007B2 (ja) * 1987-11-30 1997-08-06 ソニー株式会社 ディスクプレーヤのチャック装置
US4833667A (en) * 1987-12-17 1989-05-23 Priam Corporation Spindle motor assembly for low acoustic noise environments
JPH01184662A (ja) * 1988-01-12 1989-07-24 Olympus Optical Co Ltd 光学的情報記録再生装置
US4945432A (en) * 1988-03-31 1990-07-31 Hoya Electronics Corporation Magnetic disk drive with brittle disks
DE8807530U1 (de) * 1988-06-09 1988-09-22 Papst-Motoren GmbH & Co KG, 7742 St Georgen Kollektorloser Außenläufermotor
JPH02230566A (ja) * 1989-03-02 1990-09-12 Toshiba Corp 磁気ディスク装置の位置決め機構
US5031061A (en) * 1989-09-27 1991-07-09 Quantum Corporation Disk drive hub assembly
US5235482A (en) * 1989-11-09 1993-08-10 Rodime Plc Magnetic disk drive incorporating a mechanically damped base
JPH0376252U (de) * 1989-11-22 1991-07-31
US5241229A (en) * 1990-01-11 1993-08-31 Sankyo Seiki Mfg. Co., Ltd. Magnetic disc drive motor
JPH03237628A (ja) * 1990-02-13 1991-10-23 Matsushita Electric Ind Co Ltd 情報記録再生装置の光学部駆動装置
GB2241370A (en) * 1990-02-15 1991-08-28 Ibm Disk file with isolation mount
JP2864657B2 (ja) * 1990-04-16 1999-03-03 松下電器産業株式会社 回転ヘッドシリンダ装置
JPH0430366A (ja) * 1990-05-28 1992-02-03 Hitachi Ltd 磁気デイスク装置のスピンドル機構
JPH04143959A (ja) * 1990-10-05 1992-05-18 Mitsubishi Electric Corp ディスク記憶装置
JPH05198081A (ja) * 1991-12-20 1993-08-06 Nec Corp スピンドルモータおよびこれを搭載した磁気ディスク装置
JPH05336722A (ja) * 1992-04-02 1993-12-17 Fuji Electric Co Ltd 磁気ディスク駆動用スピンドルモータ
US5376850A (en) * 1993-07-02 1994-12-27 Seagate Technology, Inc. Audible noise reduction in a disc drive
US5430589A (en) * 1994-05-02 1995-07-04 Seagate Technology, Inc. Computer disk drive unit having vibration absorbing isolator disposed between the housing cover and the memory storage unit

Also Published As

Publication number Publication date
AU5863696A (en) 1996-11-29
DE69603274D1 (de) 1999-08-19
EP0826214A1 (de) 1998-03-04
WO1996036968A1 (en) 1996-11-21
EP0826214B1 (de) 1999-07-14
US5930071A (en) 1999-07-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee