CN100419857C - 数据存储装置及其控制方法 - Google Patents

数据存储装置及其控制方法 Download PDF

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Publication number
CN100419857C
CN100419857C CNB2006101290327A CN200610129032A CN100419857C CN 100419857 C CN100419857 C CN 100419857C CN B2006101290327 A CNB2006101290327 A CN B2006101290327A CN 200610129032 A CN200610129032 A CN 200610129032A CN 100419857 C CN100419857 C CN 100419857C
Authority
CN
China
Prior art keywords
heater
head element
data
seek operation
mode
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
CNB2006101290327A
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English (en)
Chinese (zh)
Other versions
CN1925007A (zh
Inventor
佐滕典明
川村正春
大泽丰三
大关秀纪
土本和成
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.)
HGST Inc
Original Assignee
Hitachi Global Storage Technologies 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 Hitachi Global Storage Technologies Inc filed Critical Hitachi Global Storage Technologies Inc
Publication of CN1925007A publication Critical patent/CN1925007A/zh
Application granted granted Critical
Publication of CN100419857C publication Critical patent/CN100419857C/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G11B5/313—Disposition of layers
    • G11B5/3133—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the structure
    • G11B5/3136—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the structure for reducing the pole-tip-protrusion at the head transducing surface, e.g. caused by thermal expansion of dissimilar materials
    • 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
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
    • G11B5/553—Details
    • G11B5/5547—"Seek" control and circuits therefor
    • 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
    • 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
    • G11B5/6011—Control of flying height
    • G11B5/6064—Control of flying height using air pressure
    • 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
    • G11B5/6011—Control of flying height
    • G11B5/607—Control of flying height using thermal means

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Magnetic Heads (AREA)
CNB2006101290327A 2005-09-02 2006-09-04 数据存储装置及其控制方法 Expired - Fee Related CN100419857C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2005254818A JP2007066488A (ja) 2005-09-02 2005-09-02 データ記憶装置及びその制御方法
JP2005254818 2005-09-02
JP2005-254818 2005-09-02

Publications (2)

Publication Number Publication Date
CN1925007A CN1925007A (zh) 2007-03-07
CN100419857C true CN100419857C (zh) 2008-09-17

Family

ID=37817610

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2006101290327A Expired - Fee Related CN100419857C (zh) 2005-09-02 2006-09-04 数据存储装置及其控制方法

Country Status (3)

Country Link
US (1) US7385777B2 (https=)
JP (1) JP2007066488A (https=)
CN (1) CN100419857C (https=)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4728929B2 (ja) * 2006-10-31 2011-07-20 東芝ストレージデバイス株式会社 制御装置、制御方法及び記憶装置
JP2008171520A (ja) * 2007-01-15 2008-07-24 Fujitsu Ltd 制御装置、制御方法、及び記憶装置
KR100855973B1 (ko) * 2007-01-24 2008-09-02 삼성전자주식회사 자기 헤드 부상 높이를 조절하는 하드디스크 드라이브 및그 방법
JP2008243249A (ja) * 2007-03-26 2008-10-09 Fujitsu Ltd 記憶装置ならびに記憶装置の制御装置
JP2009004056A (ja) * 2007-06-25 2009-01-08 Toshiba Corp 磁気ディスク装置
US7605996B2 (en) * 2007-12-28 2009-10-20 Hitachi Global Storage Technologies Netherlands B.V. Method and system for detecting a change in a rotational velocity of a magnetic disk or a spindle coupled to the magnetic disk
US20100007976A1 (en) * 2008-07-09 2010-01-14 Baumgart Peter M Protecting magnetic head elements
US8400725B2 (en) 2010-05-31 2013-03-19 Kabushiki Kaisha Toshiba Storage device and method for controlling projection amount of head
US9007882B1 (en) 2013-07-31 2015-04-14 Seagate Technology Llc Heater to keep reader head in stable temperature range
US8964326B1 (en) * 2013-12-02 2015-02-24 Kabushiki Kaisha Toshiba Disk storage apparatus and method for regulating head flying height before seek operation
US10242704B2 (en) 2017-08-08 2019-03-26 Western Digital Technologies, Inc. Command clustering for data storage device
JP6794391B2 (ja) 2018-02-27 2020-12-02 株式会社東芝 磁気ディスク装置および磁気ディスク装置の制御方法
JP7458290B2 (ja) * 2020-10-13 2024-03-29 株式会社東芝 磁気ディスク装置、及び磁気ディスク装置の電圧印加方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0520635A (ja) * 1991-07-11 1993-01-29 Fujitsu Ltd 磁気ヘツドおよび磁気デイスク装置
US20040165311A1 (en) * 2003-02-26 2004-08-26 Tdk Corporation Thin-film magnetic head, head gimbal assembly, and hard disk drive

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05250843A (ja) 1992-03-04 1993-09-28 Sony Corp テープカセット
JPH1069747A (ja) * 1996-08-28 1998-03-10 Nec Corp 磁気ディスク装置
JP2002343049A (ja) 2001-05-17 2002-11-29 Hitachi Ltd 浮上量調整機構を有する負圧スライダ
JP2004079126A (ja) * 2002-08-22 2004-03-11 Toshiba Corp 磁気ディスク装置
JP2004342151A (ja) * 2003-05-13 2004-12-02 Hitachi Global Storage Technologies Inc 磁気ヘッドスライダの浮上制御方法および磁気ディスク装置
JP3978420B2 (ja) * 2003-10-30 2007-09-19 ヒタチグローバルストレージテクノロジーズネザーランドビーブイ 磁気ヘッドスライダ及び磁気ヘッド支持機構の製造方法
US7088545B1 (en) * 2005-06-28 2006-08-08 Western Digital Technologies, Inc. Disk drive decreasing head temperature to increase fly-height during seek operation
JP4413168B2 (ja) * 2005-07-19 2010-02-10 東芝ストレージデバイス株式会社 ヒータ制御方法及び記憶装置
JP4362491B2 (ja) * 2006-03-31 2009-11-11 富士通株式会社 磁気ヘッドの磁気スペーシング制御方法、リード／ライト回路及びそれを用いた磁気ディスク装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0520635A (ja) * 1991-07-11 1993-01-29 Fujitsu Ltd 磁気ヘツドおよび磁気デイスク装置
US20040165311A1 (en) * 2003-02-26 2004-08-26 Tdk Corporation Thin-film magnetic head, head gimbal assembly, and hard disk drive

Also Published As

Publication number Publication date
US20070053104A1 (en) 2007-03-08
JP2007066488A (ja) 2007-03-15
US7385777B2 (en) 2008-06-10
CN1925007A (zh) 2007-03-07

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SE01 Entry into force of request for substantive examination
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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080917

Termination date: 20150904

EXPY Termination of patent right or utility model