CN100409317C - 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
CN100409317C
CN100409317C CNB2006101290308A CN200610129030A CN100409317C CN 100409317 C CN100409317 C CN 100409317C CN B2006101290308 A CNB2006101290308 A CN B2006101290308A CN 200610129030 A CN200610129030 A CN 200610129030A CN 100409317 C CN100409317 C CN 100409317C
Authority
CN
China
Prior art keywords
heater
head element
data
mode
seek operation
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
CNB2006101290308A
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English (en)
Chinese (zh)
Other versions
CN1925006A (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 CN1925006A publication Critical patent/CN1925006A/zh
Application granted granted Critical
Publication of CN100409317C publication Critical patent/CN100409317C/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
    • G11B5/58—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
    • G11B5/6029—Measurement using values derived from the data signal read from the disk
    • 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

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)
CNB2006101290308A 2005-09-02 2006-09-04 数据存储装置及其控制方法 Expired - Fee Related CN100409317C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005254817A JP4743855B2 (ja) 2005-09-02 2005-09-02 データ記憶装置及びその制御方法
JP2005254817 2005-09-02

Publications (2)

Publication Number Publication Date
CN1925006A CN1925006A (zh) 2007-03-07
CN100409317C true CN100409317C (zh) 2008-08-06

Family

ID=37817609

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2006101290308A Expired - Fee Related CN100409317C (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) US7369349B2 (enExample)
JP (1) JP4743855B2 (enExample)
CN (1) CN100409317C (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US20090296270A1 (en) * 2008-05-27 2009-12-03 Jin Zhen Thermal flyheight control heater preconditioning
CN103680521B (zh) * 2012-07-27 2017-04-12 希捷科技有限公司 具有预加热写元件的热辅助磁性记录装置
JP2022109629A (ja) * 2021-01-15 2022-07-28 株式会社東芝 磁気ヘッドおよびこれを備えるディスク装置

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 (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05250643A (ja) 1992-03-06 1993-09-28 Nec Corp 磁気ヘッド，磁気ディスク媒体検査装置および磁気ディスク装置
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

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
JP4743855B2 (ja) 2011-08-10
JP2007066487A (ja) 2007-03-15
US7369349B2 (en) 2008-05-06
CN1925006A (zh) 2007-03-07
US20070053103A1 (en) 2007-03-08

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Granted publication date: 20080806

Termination date: 20150904

EXPY Termination of patent right or utility model