JP4743855B2 - データ記憶装置及びその制御方法 - Google Patents

データ記憶装置及びその制御方法 Download PDF

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Publication number
JP4743855B2
JP4743855B2 JP2005254817A JP2005254817A JP4743855B2 JP 4743855 B2 JP4743855 B2 JP 4743855B2 JP 2005254817 A JP2005254817 A JP 2005254817A JP 2005254817 A JP2005254817 A JP 2005254817A JP 4743855 B2 JP4743855 B2 JP 4743855B2
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Japan
Prior art keywords
heater
data
seek
head
mode
Prior art date
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Expired - Fee Related
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JP2005254817A
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English (en)
Japanese (ja)
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JP2007066487A (ja
JP2007066487A5 (enExample
Inventor
典明 佐藤
正春 川村
豊三 大澤
秀紀 大関
和成 土本
Original Assignee
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
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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Application filed by 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 filed Critical 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
Priority to JP2005254817A priority Critical patent/JP4743855B2/ja
Priority to US11/514,813 priority patent/US7369349B2/en
Priority to CNB2006101290308A priority patent/CN100409317C/zh
Publication of JP2007066487A publication Critical patent/JP2007066487A/ja
Publication of JP2007066487A5 publication Critical patent/JP2007066487A5/ja
Application granted granted Critical
Publication of JP4743855B2 publication Critical patent/JP4743855B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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

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  • 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)
JP2005254817A 2005-09-02 2005-09-02 データ記憶装置及びその制御方法 Expired - Fee Related JP4743855B2 (ja)

Priority Applications (3)

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
US11/514,813 US7369349B2 (en) 2005-09-02 2006-09-01 Data storage device with heater, and control method therefor involving different control modes
CNB2006101290308A CN100409317C (zh) 2005-09-02 2006-09-04 数据存储装置及其控制方法

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
JP2007066487A JP2007066487A (ja) 2007-03-15
JP2007066487A5 JP2007066487A5 (enExample) 2008-10-09
JP4743855B2 true JP4743855B2 (ja) 2011-08-10

Family

ID=37817609

Family Applications (1)

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

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
JP5833061B2 (ja) * 2012-07-27 2015-12-16 シーゲイト テクノロジー エルエルシー 装置、方法および書込ヘッド
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

Family Cites Families (10)

* 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
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
JP3632025B2 (ja) 2003-02-26 2005-03-23 Ｔｄｋ株式会社 薄膜磁気ヘッド、ヘッドジンバルアセンブリ、及び、ハードディスク装置
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

Also Published As

Publication number Publication date
US7369349B2 (en) 2008-05-06
US20070053103A1 (en) 2007-03-08
CN1925006A (zh) 2007-03-07
CN100409317C (zh) 2008-08-06
JP2007066487A (ja) 2007-03-15

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