DE69029496D1 - Magnetplattengerät mit verbesserter Schwingungsfestigkeit - Google Patents

Magnetplattengerät mit verbesserter Schwingungsfestigkeit

Info

Publication number
DE69029496D1
DE69029496D1 DE69029496T DE69029496T DE69029496D1 DE 69029496 D1 DE69029496 D1 DE 69029496D1 DE 69029496 T DE69029496 T DE 69029496T DE 69029496 T DE69029496 T DE 69029496T DE 69029496 D1 DE69029496 D1 DE 69029496D1
Authority
DE
Germany
Prior art keywords
magnetic disk
disk device
vibration resistance
improved vibration
improved
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
DE69029496T
Other languages
English (en)
Other versions
DE69029496T2 (de
Inventor
Masaharu Sugimoto
Keiji Aruga
Tomoyoshi Yamada
Takahiro Imamura
Yoshifumi Mizoshita
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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
Priority claimed from JP1240198A external-priority patent/JP2777917B2/ja
Priority claimed from JP27045089A external-priority patent/JP2754413B2/ja
Priority claimed from JP2037196A external-priority patent/JP2777922B2/ja
Priority claimed from JP5642290A external-priority patent/JP2725071B2/ja
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69029496D1 publication Critical patent/DE69029496D1/de
Publication of DE69029496T2 publication Critical patent/DE69029496T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00Head arrangements not specific to the method of recording or reproducing
    • G11B21/02Driving or moving of heads
    • G11B21/10Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
    • G11B5/55Track change, selection or acquisition by displacement of the head
    • G11B5/5521Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5582Track change, selection or acquisition by displacement of the head across disk tracks system adaptation for working during or after external perturbation, e.g. in the presence of a mechanical oscillation caused by a shock
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/02Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
    • G11B33/08Insulation or absorption of undesired vibrations or sounds
DE69029496T 1989-09-18 1990-09-18 Magnetplattengerät mit verbesserter Schwingungsfestigkeit Expired - Fee Related DE69029496T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP1240198A JP2777917B2 (ja) 1989-09-18 1989-09-18 磁気ディスク装置
JP27045089A JP2754413B2 (ja) 1989-10-19 1989-10-19 磁気ディスク装置
JP2037196A JP2777922B2 (ja) 1990-02-20 1990-02-20 磁気ディスク装置
JP5642290A JP2725071B2 (ja) 1990-03-09 1990-03-09 磁気ディスク装置

Publications (2)

Publication Number Publication Date
DE69029496D1 true DE69029496D1 (de) 1997-02-06
DE69029496T2 DE69029496T2 (de) 1997-04-10

Family

ID=27460375

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69029496T Expired - Fee Related DE69029496T2 (de) 1989-09-18 1990-09-18 Magnetplattengerät mit verbesserter Schwingungsfestigkeit

Country Status (5)

Country Link
US (1) US5349486A (de)
EP (1) EP0419345B1 (de)
KR (1) KR950001611B1 (de)
CA (1) CA2025497C (de)
DE (1) DE69029496T2 (de)

Families Citing this family (81)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5875067A (en) * 1991-03-22 1999-02-23 Seagate Technology, Inc. Acoustic isolator for a disc drive assembly
JP3087809B2 (ja) * 1994-01-14 2000-09-11 富士通株式会社 ディスク装置のフレーム取付構造
US5798885A (en) * 1994-06-06 1998-08-25 Fujitsu Limited Head positioning control for disk apparatus using peak detection, polarity detection and sector mark detection
JP2594760B2 (ja) * 1994-07-20 1997-03-26 茨城日本電気株式会社 磁気ディスク装置の衝撃緩衝装置
US6567265B1 (en) 1995-11-20 2003-05-20 Matsushita Electric Industrial Co., Ltd. Apparatus having flexible mounting mechanism
JP3195213B2 (ja) * 1995-12-18 2001-08-06 株式会社日立製作所 回転形情報記録再生装置
JPH1031854A (ja) * 1996-07-18 1998-02-03 Mitsumi Electric Co Ltd ディスク装置
US5654875A (en) * 1996-07-26 1997-08-05 Ibm Isolator mounting system for small form factor hard disk drive
JPH10222972A (ja) * 1997-02-05 1998-08-21 Matsushita Electric Ind Co Ltd 記憶装置、及びそれに用いる耐衝撃用収納容器
JP3746355B2 (ja) 1997-03-19 2006-02-15 富士通株式会社 ディスク装置
EP0948763B1 (de) 1997-07-31 2003-12-17 Fujitsu Limited Dämpfungsvorrichtung für festplattenlaufwerk in einem tragbaren computer
US6108174A (en) * 1997-08-15 2000-08-22 Seagate Technology, Inc. Tuning actuator arm displacement characteristics to reduce damage from mechanical shocks
US6018437A (en) * 1997-10-16 2000-01-25 Seagate Technology, Inc. Disc drive servo writer support assembly
JP4105309B2 (ja) 1997-11-06 2008-06-25 富士通株式会社 電子装置及び搭載機構
US6785217B1 (en) * 1998-01-27 2004-08-31 Wistron Corporation Method and device for reducing vibration of a high speed disk drive
JP4335328B2 (ja) * 1998-02-13 2009-09-30 富士通株式会社 記録ディスク装置用ハウジングおよび記録ディスク装置
US6381091B1 (en) * 1998-07-23 2002-04-30 Matsushita Electric Industrial Co., Ltd. Disk drive apparatus
US6097608A (en) * 1998-11-16 2000-08-01 International Business Machines Corporation Disk drive vibration isolation using diaphragm isolators
US6320744B1 (en) 1999-02-19 2001-11-20 General Dynamics Information Systesm, Inc. Data storage housing
JP3713404B2 (ja) 1999-06-21 2005-11-09 アルプス電気株式会社 磁気ディスク駆動装置
IL132732A0 (en) * 1999-11-03 2001-03-19 Bar Lev Noam Isolating system
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
US6683745B1 (en) 1999-12-27 2004-01-27 Hitachi Global Storage Technologies Netherlands B.V. Rotationally free mount system for disk drive having a rotary actuator
US6671124B2 (en) * 2001-09-07 2003-12-30 Lockheed Martin Corporation Shock and vibration system
JP2003272371A (ja) * 2002-03-14 2003-09-26 Sony Corp 情報記憶装置
US20040064631A1 (en) * 2002-06-03 2004-04-01 Viewsonic Corporation Pixel vault
US7178794B2 (en) * 2002-09-10 2007-02-20 Seagate Technology Llc Fluid isolator assembly and floating elastomeric damping element
JP2004127414A (ja) * 2002-10-02 2004-04-22 Shinano Kenshi Co Ltd ディスク装置
JP3861791B2 (ja) * 2002-10-11 2006-12-20 ソニー株式会社 緩衝材及びこれを用いた情報記憶装置
US7342743B2 (en) * 2003-03-31 2008-03-11 Matsushita Electric Industrial Co., Ltd. Shock-absorbing member, shock-absorbing method of electronic device employing the member, and electronic device adapting the member and the method
KR100594285B1 (ko) * 2004-07-03 2006-06-30 삼성전자주식회사 오픈-셀 구조를 가진 완충 부재를 채용한 하드 디스크드라이브의 하우징
US7259966B2 (en) * 2004-08-31 2007-08-21 International Business Machines Corporation Apparatus, system, and method for reducing rotational vibration transmission within a data storage system
WO2006100445A1 (en) * 2005-03-23 2006-09-28 Xyratex Technology Limited Apparatus for supporting a disk drive and disk drive test apparatus
TWI288594B (en) * 2005-05-09 2007-10-11 Benq Corp Anti-shock mechanism
KR100772690B1 (ko) * 2005-07-18 2007-11-02 삼성전자주식회사 디스크 드라이브의 완충기 및 이를 포함한 디스크 드라이브어셈블리
US20080112125A1 (en) * 2006-11-09 2008-05-15 Imation Corp. Portable hard drive with axis specific shock absorption
US8164849B1 (en) 2007-12-10 2012-04-24 Western Digital Technologies, Inc. Information storage device with a conductive shield having free and forced heat convection configurations
US7701705B1 (en) 2007-12-10 2010-04-20 Western Digital Technologies, Inc. Information storage device with sheet metal projections and elastomeric inserts
US8549912B2 (en) * 2007-12-18 2013-10-08 Teradyne, Inc. Disk drive transport, clamping and testing
US7996174B2 (en) 2007-12-18 2011-08-09 Teradyne, Inc. Disk drive testing
US8004791B2 (en) * 2008-02-22 2011-08-23 Western Digital Technologies, Inc. Information storage device with a bridge controller and a plurality of electrically coupled conductive shields
US8390952B1 (en) 2008-02-22 2013-03-05 Western Digital Technologies, Inc. Information storage device having a conductive shield with a peripheral capacitive flange
US8117480B2 (en) 2008-04-17 2012-02-14 Teradyne, Inc. Dependent temperature control within disk drive testing systems
US8041449B2 (en) 2008-04-17 2011-10-18 Teradyne, Inc. Bulk feeding disk drives to disk drive testing systems
US8095234B2 (en) 2008-04-17 2012-01-10 Teradyne, Inc. Transferring disk drives within disk drive testing systems
US7848106B2 (en) 2008-04-17 2010-12-07 Teradyne, Inc. Temperature control within disk drive testing systems
US8102173B2 (en) 2008-04-17 2012-01-24 Teradyne, Inc. Thermal control system for test slot of test rack for disk drive testing system with thermoelectric device and a cooling conduit
US8305751B2 (en) 2008-04-17 2012-11-06 Teradyne, Inc. Vibration isolation within disk drive testing systems
US7945424B2 (en) 2008-04-17 2011-05-17 Teradyne, Inc. Disk drive emulator and method of use thereof
US8238099B2 (en) 2008-04-17 2012-08-07 Teradyne, Inc. Enclosed operating area for disk drive testing systems
US8160739B2 (en) 2008-04-17 2012-04-17 Teradyne, Inc. Transferring storage devices within storage device testing systems
US20090262455A1 (en) 2008-04-17 2009-10-22 Teradyne, Inc. Temperature Control Within Disk Drive Testing Systems
US8086343B2 (en) 2008-06-03 2011-12-27 Teradyne, Inc. Processing storage devices
US8300352B1 (en) 2009-06-18 2012-10-30 Western Digital Technologies, Inc. Disk drive having mounting inserts with cantilevered beams
US8466699B2 (en) 2009-07-15 2013-06-18 Teradyne, Inc. Heating storage devices in a testing system
US8547123B2 (en) 2009-07-15 2013-10-01 Teradyne, Inc. Storage device testing system with a conductive heating assembly
US8628239B2 (en) 2009-07-15 2014-01-14 Teradyne, Inc. Storage device temperature sensing
US7920380B2 (en) 2009-07-15 2011-04-05 Teradyne, Inc. Test slot cooling system for a storage device testing system
US8116079B2 (en) 2009-07-15 2012-02-14 Teradyne, Inc. Storage device testing system cooling
US7995349B2 (en) 2009-07-15 2011-08-09 Teradyne, Inc. Storage device temperature sensing
US8687356B2 (en) 2010-02-02 2014-04-01 Teradyne, Inc. Storage device testing system cooling
US9779780B2 (en) 2010-06-17 2017-10-03 Teradyne, Inc. Damping vibrations within storage device testing systems
US8687349B2 (en) 2010-07-21 2014-04-01 Teradyne, Inc. Bulk transfer of storage devices using manual loading
US9001456B2 (en) 2010-08-31 2015-04-07 Teradyne, Inc. Engaging test slots
US8705201B2 (en) 2011-12-20 2014-04-22 Western Digital Technologies, Inc. Information storage device with a damping insert sheet between a housing bay and a disk drive
US8462460B1 (en) 2012-03-29 2013-06-11 Western Digital Technologies, Inc. Shock mount and retainer for a disk drive enclosure
US8547658B1 (en) 2012-10-18 2013-10-01 Western Digital Technologies, Inc. Data storage device enclosure enabling use of a common shock mount across different products
US9459312B2 (en) 2013-04-10 2016-10-04 Teradyne, Inc. Electronic assembly test system
US9360900B1 (en) 2013-08-21 2016-06-07 Western Digital Technologies, Inc. Captivating shock mounts for data storage devices using retention clips
US9361947B1 (en) * 2015-06-10 2016-06-07 Western Digital Technologies, Inc. Hard disk drive motor cup support
US10845410B2 (en) 2017-08-28 2020-11-24 Teradyne, Inc. Automated test system having orthogonal robots
US10725091B2 (en) 2017-08-28 2020-07-28 Teradyne, Inc. Automated test system having multiple stages
US10948534B2 (en) 2017-08-28 2021-03-16 Teradyne, Inc. Automated test system employing robotics
US11226390B2 (en) 2017-08-28 2022-01-18 Teradyne, Inc. Calibration process for an automated test system
US10983145B2 (en) 2018-04-24 2021-04-20 Teradyne, Inc. System for testing devices inside of carriers
US10775408B2 (en) 2018-08-20 2020-09-15 Teradyne, Inc. System for testing devices inside of carriers
US11953519B2 (en) 2020-10-22 2024-04-09 Teradyne, Inc. Modular automated test system
US11899042B2 (en) 2020-10-22 2024-02-13 Teradyne, Inc. Automated test system
US11754596B2 (en) 2020-10-22 2023-09-12 Teradyne, Inc. Test site configuration in an automated test system
US11867749B2 (en) 2020-10-22 2024-01-09 Teradyne, Inc. Vision system for an automated test system
US11754622B2 (en) 2020-10-22 2023-09-12 Teradyne, Inc. Thermal control system for an automated test system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3484760A (en) * 1966-06-09 1969-12-16 Control Data Corp Disc file and actuator therefor
US3886595A (en) * 1974-02-13 1975-05-27 Information Storage Systems Actuator for a disc drive apparatus
US4263629A (en) * 1977-09-30 1981-04-21 International Business Machines Corporation Disk file with symmetrical hollow base
US4642715A (en) * 1984-11-01 1987-02-10 Miltope Corporation Environmental conditioning and safety system for disk-type mass memories
JPS61162884A (ja) * 1985-01-14 1986-07-23 Matsushita Electric Ind Co Ltd 再生装置等の防振装置
US4703470A (en) * 1985-08-15 1987-10-27 Priam (Delaware) Corporation Dynamic absorber device for use with disk drives
JPS6292197A (ja) * 1985-10-18 1987-04-27 Hitachi Ltd 磁気デイスク装置
US4713714A (en) * 1985-11-26 1987-12-15 Motorola Computer Systems, Inc. Computer peripheral shock mount for limiting motion-induced errors
JP2718665B2 (ja) * 1986-07-09 1998-02-25 株式会社日立製作所 フアイル記憶装置
US4933785A (en) * 1988-03-01 1990-06-12 Prairietek Corporation Disk drive apparatus using dynamic loading/unloading
US4893210A (en) * 1988-07-11 1990-01-09 Danford Corporation Computer disk drive assembly having a resiliently supported separable disk pack unit
US4999724A (en) * 1989-11-13 1991-03-12 Hewlett-Packard Company Disk drive having an electrically isolated disk stack

Also Published As

Publication number Publication date
EP0419345A2 (de) 1991-03-27
DE69029496T2 (de) 1997-04-10
CA2025497A1 (en) 1991-03-19
KR950001611B1 (ko) 1995-02-27
US5349486A (en) 1994-09-20
EP0419345B1 (de) 1996-12-27
CA2025497C (en) 1996-05-28
KR910006966A (ko) 1991-04-30
EP0419345A3 (en) 1992-11-25

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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