KR100488834B1 - 로드/언로드 방법 및 이를 이용한 자기 디스크 장치 - Google Patents

로드/언로드 방법 및 이를 이용한 자기 디스크 장치 Download PDF

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Publication number
KR100488834B1
KR100488834B1 KR10-2002-0008619A KR20020008619A KR100488834B1 KR 100488834 B1 KR100488834 B1 KR 100488834B1 KR 20020008619 A KR20020008619 A KR 20020008619A KR 100488834 B1 KR100488834 B1 KR 100488834B1
Authority
KR
South Korea
Prior art keywords
magnetic disk
slider
magnetic head
ramp
disk medium
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
KR10-2002-0008619A
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English (en)
Korean (ko)
Other versions
KR20030038292A (ko
Inventor
도미나가히데후미
아라이쯔요시
호리구찌다까오
기꾸따도시유끼
후지이요시까쯔
Original Assignee
가부시키가이샤 히타치세이사쿠쇼
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.)
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Publication date
Application filed by 가부시키가이샤 히타치세이사쿠쇼 filed Critical 가부시키가이샤 히타치세이사쿠쇼
Publication of KR20030038292A publication Critical patent/KR20030038292A/ko
Application granted granted Critical
Publication of KR100488834B1 publication Critical patent/KR100488834B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G11B5/58—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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/60—Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
    • 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
    • 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
    • G11B21/16—Supporting the heads; Supporting the sockets for plug-in heads
    • G11B21/20—Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier
    • G11B21/21—Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier with provision for maintaining desired spacing of head from record carrier, e.g. fluid-dynamic spacing, slider
    • 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

Landscapes

  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
KR10-2002-0008619A 2001-11-01 2002-02-19 로드/언로드 방법 및 이를 이용한 자기 디스크 장치 Expired - Fee Related KR100488834B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2001-00335967 2001-11-01
JP2001335967A JP2003141839A (ja) 2001-11-01 2001-11-01 ロード／アンロード方法及びこれを用いた磁気ディスク装置

Publications (2)

Publication Number Publication Date
KR20030038292A KR20030038292A (ko) 2003-05-16
KR100488834B1 true KR100488834B1 (ko) 2005-05-11

Family

ID=19150881

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-2002-0008619A Expired - Fee Related KR100488834B1 (ko) 2001-11-01 2002-02-19 로드/언로드 방법 및 이를 이용한 자기 디스크 장치

Country Status (5)

Country Link
US (1) US6920007B2 (https=)
EP (1) EP1308953A3 (https=)
JP (1) JP2003141839A (https=)
KR (1) KR100488834B1 (https=)
CN (1) CN1416128A (https=)

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KR100518549B1 (ko) * 2003-01-16 2005-10-04 삼성전자주식회사 하드디스크 드라이브를 위한 최적 언래치 프로파일 작성및 갱신방법
US20050007688A1 (en) * 2003-07-09 2005-01-13 Joseph Chang Dual speed control to reduce audible noise and protect head during unload in ramp load drives with pawl latch
JP4408213B2 (ja) 2003-11-18 2010-02-03 東芝ストレージデバイス株式会社 記憶装置及びアクチュエータの移動制御方法
JP4226998B2 (ja) * 2003-11-20 2009-02-18 株式会社東芝 ディスク記憶装置
KR100532483B1 (ko) 2003-12-12 2005-12-02 삼성전자주식회사 하드디스크 드라이브의 캘리브레이션 방법 및 이에 적합한장치
US7236331B2 (en) * 2003-12-30 2007-06-26 Matsushita Electric Industrial Co., Ltd. System and method to provide a ramp having a location which is transitioning from a first grade to a second grade for removing a read/write head from a media
JP4404353B2 (ja) * 2004-05-25 2010-01-27 株式会社日立製作所 ディスク故障を抑止するディスクアレイ
SG125151A1 (en) * 2005-02-24 2006-09-29 Seagate Technology Llc Velocity control system for an actuator assembly
JP2006252601A (ja) * 2005-03-08 2006-09-21 Hitachi Global Storage Technologies Netherlands Bv 磁気ディスク装置及びその制御方法
US7209310B1 (en) * 2005-07-25 2007-04-24 Western Digital Technologies, Inc. Disk drive identifying starting track by performing multiple load operations
JP2007080409A (ja) * 2005-09-15 2007-03-29 Hitachi Global Storage Technologies Netherlands Bv ディスク・ドライブ及びその制御方法
JP2007115309A (ja) * 2005-10-19 2007-05-10 Hitachi Global Storage Technologies Netherlands Bv 磁気ディスク装置
KR100734293B1 (ko) * 2005-12-14 2007-07-02 삼성전자주식회사 하드디스크 드라이브의 보이스 코일 모터 구동 방법, 이에적합한 헤드 언로드 장치 및 기록 매체
JP2007334986A (ja) * 2006-06-14 2007-12-27 Fujitsu Ltd 制御装置、記憶装置およびヘッド退避方法
JP2007335015A (ja) * 2006-06-15 2007-12-27 Fujitsu Ltd ランプ位置検出装置、ランプ位置検出方法および記憶装置
JP4724055B2 (ja) * 2006-06-15 2011-07-13 東芝ストレージデバイス株式会社 制御装置、記憶装置及びヘッド退避制御方法
WO2008146349A1 (ja) * 2007-05-25 2008-12-04 Fujitsu Limited 記録ディスク駆動装置用ランプ部材および記録ディスク駆動装置並びにヘッドアクチュエータ部材の位置検出方法
US7869155B1 (en) * 2007-06-08 2011-01-11 Western Digital Technologies, Inc. Ramp detection during servo-writing of a disk for a disk drive
US7573670B1 (en) * 2007-09-27 2009-08-11 Western Digital Technologies, Inc. Disk drive seeking to OD track and then ramping velocity to implement fast unload
US7715145B2 (en) * 2008-09-16 2010-05-11 Seagate Technology Llc Variable spindle speed for ramp unload
US8315005B1 (en) 2009-11-06 2012-11-20 Western Digital Technologies, Inc. Ramp detection by profile sweep method utilizing integrator values
US8300348B1 (en) 2010-06-25 2012-10-30 Western Digital Technologies, Inc. Disk drive detecting disk boundaries using microactuator
US8687312B1 (en) 2010-11-30 2014-04-01 Western Digital Technologies, Inc. Edge detection for disk drives
US8861126B1 (en) 2011-09-20 2014-10-14 Western Digital Technologies, Inc. Disk drive detecting when head is on ramp
US8786976B1 (en) 2011-09-20 2014-07-22 Western Digital Technologies, Inc. Disk drive detecting when head is on ramp
US9064537B1 (en) 2013-09-13 2015-06-23 Western Digital Technologies, Inc. Disk drive measuring radial offset between heads by detecting a difference between ramp contact
US9355666B1 (en) 2013-09-30 2016-05-31 Western Digital Technologies, Inc. Disk drive measuring stroke difference between heads by detecting a difference between ramp contact
JP2018055756A (ja) * 2016-09-30 2018-04-05 ルネサスエレクトロニクス株式会社 制御装置、磁気ディスク制御システム、およびディスク記憶装置を制御するための制御方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5315455A (en) * 1991-03-29 1994-05-24 Kabushiki Kaisha Toshiba Data recording/reproducing apparatus
JPH1116136A (ja) * 1997-06-27 1999-01-22 Internatl Business Mach Corp <Ibm> ヘッド機構制御装置およびディスクドライブ装置ならびにヘッドアンロード制御方法
JP2000042434A (ja) * 1998-07-30 2000-02-15 Shinnakano Industry Co Ltd 精米タンク
JP2001043645A (ja) * 1999-07-30 2001-02-16 Hitachi Ltd 磁気ディスク装置および磁気ディスク装置の制御方法
JP2001052458A (ja) * 1999-08-10 2001-02-23 Toshiba Corp 磁気ディスク装置及びヘッドアンロード動作時のキャリッジ移動制御方法
US6212027B1 (en) * 1997-01-28 2001-04-03 Samsung Electronics Co., Ltd. Stable unlatch control of hard disk drive
KR20010073883A (ko) * 2000-01-22 2001-08-03 윤종용 액튜에이터의 이동속도 제어장치 및 방법

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US5455723A (en) * 1994-06-02 1995-10-03 International Business Machines Corporation Method and apparatus for ramp load and unload
US5633767A (en) * 1995-06-06 1997-05-27 International Business Machines Corporation Adaptive and in-situ load/unload damage estimation and compensation
US5949608A (en) * 1996-06-05 1999-09-07 Mobile Storage Technology Inc. Time dependent velocity-controlled disk drive actuator system
JPH1196708A (ja) 1997-09-19 1999-04-09 Toshiba Corp ディスク記憶装置のヘッドロード制御装置及びヘッドロード制御方法
US6320717B1 (en) * 1998-10-30 2001-11-20 Iomega Corporation Velocity limited loading of read heads onto disk drive media
JP3607513B2 (ja) * 1998-11-30 2005-01-05 株式会社東芝 ヘッドロード／アンロード方式のディスク装置に適用される速度補正値キャリブレーション方法
US6590731B1 (en) * 1998-12-11 2003-07-08 Iomega Corporation System and method for adaptive soft head loading of disk drive head onto disk medium
US6054833A (en) * 1999-05-10 2000-04-25 Iomega Corporation Disk drive having improved head-velocity control, and method therefor
JP3856608B2 (ja) 1999-11-29 2006-12-13 富士通株式会社 アクチュエータの速度制御装置及び記憶装置
JP4127595B2 (ja) * 2000-03-30 2008-07-30 株式会社東芝 磁気ディスク装置、情報書き込み装置及びロード・アンロード半径位置検出方法
JP3757098B2 (ja) * 2000-06-01 2006-03-22 富士通株式会社 ディスク装置及びディスク媒体

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5315455A (en) * 1991-03-29 1994-05-24 Kabushiki Kaisha Toshiba Data recording/reproducing apparatus
US6212027B1 (en) * 1997-01-28 2001-04-03 Samsung Electronics Co., Ltd. Stable unlatch control of hard disk drive
JPH1116136A (ja) * 1997-06-27 1999-01-22 Internatl Business Mach Corp <Ibm> ヘッド機構制御装置およびディスクドライブ装置ならびにヘッドアンロード制御方法
JP2000042434A (ja) * 1998-07-30 2000-02-15 Shinnakano Industry Co Ltd 精米タンク
JP2001043645A (ja) * 1999-07-30 2001-02-16 Hitachi Ltd 磁気ディスク装置および磁気ディスク装置の制御方法
JP2001052458A (ja) * 1999-08-10 2001-02-23 Toshiba Corp 磁気ディスク装置及びヘッドアンロード動作時のキャリッジ移動制御方法
KR20010073883A (ko) * 2000-01-22 2001-08-03 윤종용 액튜에이터의 이동속도 제어장치 및 방법

Also Published As

Publication number Publication date
JP2003141839A (ja) 2003-05-16
CN1416128A (zh) 2003-05-07
US6920007B2 (en) 2005-07-19
US20030081343A1 (en) 2003-05-01
EP1308953A2 (en) 2003-05-07
KR20030038292A (ko) 2003-05-16
EP1308953A3 (en) 2004-05-19

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