DE69603274T2 - Plattenantriebsvorrichtung mit schwingungsdämpfenden eigenschaften - Google Patents
Plattenantriebsvorrichtung mit schwingungsdämpfenden eigenschaftenInfo
- 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
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)
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) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69825506T2 (de) * | 1997-02-03 | 2005-01-05 | 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 |
US6411472B1 (en) * | 1999-04-21 | 2002-06-25 | Seagate Technology Llc | Dual metal laminate tolerance ring for acoustic and vibration damping |
US6801386B1 (en) | 1999-04-21 | 2004-10-05 | Seagate Technology Llc | Damper design on pivot bearing shaft by vibration reduction |
SG90136A1 (en) | 1999-05-12 | 2002-07-23 | 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 |
CN1359515A (zh) * | 1999-06-30 | 2002-07-17 | 西加特技术有限责任公司 | 传动装置轴承平移模式的活动阻尼 |
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 |
CN100358008C (zh) * | 2002-09-16 | 2007-12-26 | 新科实业有限公司 | 致动器驱动机构、包括该机构的系统以及对应的方法 |
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 |
WO2005008634A1 (en) * | 2003-06-18 | 2005-01-27 | 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 |
WO2011106756A2 (en) * | 2010-02-27 | 2011-09-01 | Mbs Engineering, Llc | Improved magnet rotor assembly with increased physical strength |
US10186287B2 (en) | 2017-06-07 | 2019-01-22 | Western Digital Technologies, Inc. | Split-shaft pivot for a dual-actuator hard disk drive |
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 |
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 |
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 |
Family Cites Families (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
-
1996
- 1996-05-17 WO PCT/US1996/007175 patent/WO1996036968A1/en active IP Right Grant
- 1996-05-17 EP EP96920283A patent/EP0826214B1/de not_active Expired - Lifetime
- 1996-05-17 DE DE69603274T patent/DE69603274T2/de not_active Expired - Fee Related
- 1996-05-17 AU AU58636/96A patent/AU5863696A/en not_active Abandoned
-
1997
- 1997-03-19 US US08/820,116 patent/US5930071A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO1996036968A1 (en) | 1996-11-21 |
US5930071A (en) | 1999-07-27 |
EP0826214A1 (de) | 1998-03-04 |
EP0826214B1 (de) | 1999-07-14 |
DE69603274D1 (de) | 1999-08-19 |
AU5863696A (en) | 1996-11-29 |
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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 |