HK1008895A1 - Crash stop and magnetic latch for optimum use of disc space - Google Patents

Crash stop and magnetic latch for optimum use of disc space

Info

Publication number
HK1008895A1
HK1008895A1 HK98109622A HK98109622A HK1008895A1 HK 1008895 A1 HK1008895 A1 HK 1008895A1 HK 98109622 A HK98109622 A HK 98109622A HK 98109622 A HK98109622 A HK 98109622A HK 1008895 A1 HK1008895 A1 HK 1008895A1
Authority
HK
Hong Kong
Prior art keywords
disc space
magnetic latch
optimum use
crash stop
crash
Prior art date
Application number
HK98109622A
Other languages
English (en)
Inventor
Iraj Jabbari
Shahriar Amin Tafreshi
Original Assignee
Seagate Technology
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 Seagate Technology filed Critical Seagate Technology
Publication of HK1008895A1 publication Critical patent/HK1008895A1/xx

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition 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
    • G11B5/54—Disposition 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/12—Raising and lowering; Back-spacing or forward-spacing along track; Returning to starting position otherwise than during transducing operation
HK98109622A 1992-06-05 1998-08-03 Crash stop and magnetic latch for optimum use of disc space HK1008895A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/893,764 US5365389A (en) 1990-11-09 1992-06-05 Crash stop and magnetic latch for optimum use of disc space

Publications (1)

Publication Number Publication Date
HK1008895A1 true HK1008895A1 (en) 1999-05-21

Family

ID=25402050

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98109622A HK1008895A1 (en) 1992-06-05 1998-08-03 Crash stop and magnetic latch for optimum use of disc space

Country Status (6)

Country Link
US (1) US5365389A (ja)
EP (1) EP0573160B1 (ja)
JP (1) JP2634367B2 (ja)
DE (1) DE69316791T2 (ja)
HK (1) HK1008895A1 (ja)
SG (1) SG47974A1 (ja)

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US5265079A (en) 1991-02-15 1993-11-23 Applied Magnetics Corporation Seek actuator for optical recording
US6069766A (en) * 1990-02-09 2000-05-30 Seagate Technology, Inc. Miniature hard disc drive having low profile actuator arm voice coil and spindle motors
US6069857A (en) 1991-02-15 2000-05-30 Discovision Associates Optical disc system having improved circuitry for performing blank sector check on readable disc
US5677899A (en) 1991-02-15 1997-10-14 Discovision Associates Method for moving carriage assembly from initial position to target position relative to storage medium
US5729511A (en) 1991-02-15 1998-03-17 Discovision Associates Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal
US6236625B1 (en) 1991-02-15 2001-05-22 Discovision Associates Optical disc system having current monitoring circuit with controller for laser driver and method for operating same
US5402290A (en) * 1993-06-14 1995-03-28 Seagate Technology, Inc. One piece limit stop for disc drive
JPH07122006A (ja) * 1993-10-26 1995-05-12 Nec Corp 磁気ディスク装置
JP3230920B2 (ja) * 1994-03-14 2001-11-19 富士通株式会社 ディスク装置のロータリー型アクチュエータアセンブリ
US5600516A (en) * 1994-03-17 1997-02-04 Seagate Technology, Inc. Deflectable crash stop in actuator arm assembly overmold
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KR970011818B1 (ko) * 1994-10-28 1997-07-16 삼성전자 주식회사 하드디스크 드라이브 액츄에이터의 고정장치
US5590006A (en) * 1994-12-23 1996-12-31 International Business Machines Corporation One-sided, single platter hard disk with center parking features
US6434087B1 (en) 1995-01-25 2002-08-13 Discovision Associates Optical disc system and method for controlling bias coil and light source to process information on a storage medium
US6091684A (en) 1995-01-25 2000-07-18 Discovision Associates Optical disc system and method for changing the rotational rate of an information storage medium
US5812345A (en) * 1995-06-07 1998-09-22 Maxtor Corporation Monostable active latch for a disk drive actuator
JP3343805B2 (ja) * 1995-08-15 2002-11-11 富士通株式会社 ディスク装置
KR970012621A (ko) * 1995-08-28 1997-03-29 김광호 하드디스크 드라이브의 액츄에이터 래치장치
US5769912A (en) 1995-10-16 1998-06-23 Mansur Industries Inc. System and method of vapor recovery in industrial washing equipment
US6282049B1 (en) 1995-10-20 2001-08-28 Seagate Technology Llc Applying a ramped voltage source across an actuator coil to retract a disc drive actuator
US5822155A (en) * 1996-04-02 1998-10-13 Western Digital Corporation Magnetic latch assembly for a disk drive including a ferromagnetic holder surrounding a permanent magnetic
US5715119A (en) * 1996-06-07 1998-02-03 Samsung Electronics, Inc. Rotating crash stop assembly for hard disk drives
US5805384A (en) * 1997-01-21 1998-09-08 Seagate Technology, Inc. Actuator latch activated by head gram load for hard disc drives
US5815350A (en) * 1997-04-01 1998-09-29 Western Digital Corporation Head disk assembly with actuator latch vibration damper
JP3083779B2 (ja) * 1997-04-22 2000-09-04 インターナショナル・ビジネス・マシーンズ・コーポレ−ション アクチュエータ・ロック機構
KR100309709B1 (ko) * 1997-04-24 2001-12-15 윤종용 하드디스크드라이브의액츄에이터의래치겸용크래쉬스토퍼장치
US5905606A (en) * 1997-07-29 1999-05-18 International Business Machines Corporation High-performance disk drive limit stop employing encapsulated visco-elastic material
US5864449A (en) * 1997-08-22 1999-01-26 International Business Machines Corporation Precision limit stop for high density disk drives
KR100505581B1 (ko) * 1997-12-31 2005-10-05 삼성전자주식회사 하드디스크 드라이브의 자기헤드 이송장치
US6704161B1 (en) 1998-11-06 2004-03-09 Samsung Electronics Co. Ltd. Shock protection skin bumper for a hard disk drive
US6417986B1 (en) 1998-11-16 2002-07-09 Samsung Electronics Co., Ltd. Impact guard for limiting hard disk movement
US6549372B1 (en) 1998-12-15 2003-04-15 Samsung Electronics Co., Ltd Device for limiting head movement within a hard disk drive
US6417994B1 (en) 1999-04-22 2002-07-09 Samsung Electronics, Co., Ltd. Swage plate with protruded walls to increase retention torque in hard disk applications
US6501614B1 (en) 1999-08-19 2002-12-31 Samsung Electronics Co., Ltd. Acoustic insulator for controlling noise generated in a mass storage device
US6744597B2 (en) 1999-10-29 2004-06-01 Samsung Electronics Co., Ltd. Dynamic absorber for an actuator arm in a disk drive
US6947252B2 (en) 2000-05-10 2005-09-20 Samsung Electronics Co., Ltd. Wave stringer for controlling acoustic noise and shock vibration in a storage device
US6704166B1 (en) * 2000-08-04 2004-03-09 Maxtor Corporation Coated latch mechanism for disk drive
US6446517B1 (en) 2000-11-20 2002-09-10 Samsung Electronics Company Controlled particle deposition in drives and on media for thermal asperity studies
US6535358B1 (en) 2000-11-30 2003-03-18 Western Digital Technologies, Inc. Disk drive comprising a plastic molded crash stop with embedded magnet for latching an actuator arm
US6590738B2 (en) 2001-03-01 2003-07-08 Samsung Electronics Co., Ltd. Particle removal device in a hard disk drive
US6762908B2 (en) 2001-06-18 2004-07-13 Samsung Electronics Co., Ltd. Air razor and disk limiter for a hard disk drive
US6628482B2 (en) 2001-08-23 2003-09-30 Seagate Technology Llc Crash stop assembly in a disc drive
KR100524970B1 (ko) * 2003-06-20 2005-10-31 삼성전자주식회사 하드디스크 드라이브의 액츄에이터 래치장치
US7061723B2 (en) * 2003-11-25 2006-06-13 Hitachi Global Storage Technologies Netherlands B.V. Bilinear-nonlinear limit stop for hard disk drive actuator
KR100594251B1 (ko) * 2004-02-17 2006-06-30 삼성전자주식회사 디스크 드라이브의 액츄에이터 래치 장치
US20050286173A1 (en) * 2004-06-29 2005-12-29 Ratliff Ryan T Stop with adjustable stiffness
KR20070116898A (ko) * 2005-03-24 2007-12-11 코닌클리케 필립스 일렉트로닉스 엔.브이. 광 디스크 드라이브
US8081401B1 (en) 2006-02-01 2011-12-20 Western Digital Technologies, Inc. Disk drive including an actuator latch with a cantilevered stop portion
US7957102B1 (en) 2006-02-01 2011-06-07 Western Digital Technologies, Inc. Disk drive including an actuator latch with a torsionally compliant pusher portion
US7715149B1 (en) * 2006-02-01 2010-05-11 Western Digital Technologies, Inc. Disk drive including an actuator latch with a catch portion and a crash stop portion of lesser material stiffness than the catch portion
US7610672B1 (en) 2006-07-27 2009-11-03 Western Digital Technologies, Inc. Method of reworking disk drive
KR20090077600A (ko) * 2008-01-11 2009-07-15 삼성전자주식회사 하드디스크 드라이브
US8068309B2 (en) * 2008-08-27 2011-11-29 Seagate Technology Llc Vibration damper for actuator assembly
US20160351217A1 (en) * 2015-05-29 2016-12-01 Parker-Hannifin Corporation Hard disk drive crash stop
US9990948B1 (en) * 2016-12-06 2018-06-05 Kabushiki Kaisha Toshiba Disk device with stopper for movable member
EP3764375B1 (en) * 2019-07-09 2023-11-29 Etel S.A. Magnetic stopper for a rotary motion system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4635151A (en) * 1985-01-25 1987-01-06 Priam Corporation Rotary actuator having preloaded spring crash stop
JPS62214565A (ja) * 1986-03-17 1987-09-21 Hitachi Ltd 磁気ヘツド位置決め機構の暴走停止装置
JP2501848Y2 (ja) * 1987-08-01 1996-06-19 ソニー株式会社 ピックアップ送り装置
US4796131A (en) * 1987-10-09 1989-01-03 Micropolis Corporation Head positioner preloaded stop
US4947274A (en) * 1988-07-18 1990-08-07 Seagate Technology, Inc. Resiliently mounted crash stop and magnetic latch for a voice coil actuator
US4890176A (en) * 1988-07-18 1989-12-26 Seagate Technology, Inc. Crash stop and magnetic latch for a voice coil actuator
WO1990001767A1 (en) * 1988-07-29 1990-02-22 Microscience International Inc. Magnetic head locking mechanism
EP0444062B1 (en) * 1988-11-10 1995-12-06 Conner Peripherals, Inc. Magnetic parking device for disk drive
US5012371A (en) * 1989-02-22 1991-04-30 Miniscribe Corporation Disk drive crash stop/actuator latch
US5134608A (en) * 1990-06-01 1992-07-28 Hewlett-Packard Company Disk drive crash stop
WO1992001283A1 (en) * 1990-07-06 1992-01-23 Conner Peripherals, Inc. Low height disk drive

Also Published As

Publication number Publication date
SG47974A1 (en) 1998-04-17
DE69316791T2 (de) 1998-05-28
DE69316791D1 (de) 1998-03-12
US5365389A (en) 1994-11-15
EP0573160B1 (en) 1998-02-04
JPH06139723A (ja) 1994-05-20
EP0573160A1 (en) 1993-12-08
JP2634367B2 (ja) 1997-07-23

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)