KR100640621B1 - 디스크 드라이브의 자기 헤드 비행 높이 조정 장치 및 방법 - Google Patents

디스크 드라이브의 자기 헤드 비행 높이 조정 장치 및 방법 Download PDF

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Publication number
KR100640621B1
KR100640621B1 KR1020040113692A KR20040113692A KR100640621B1 KR 100640621 B1 KR100640621 B1 KR 100640621B1 KR 1020040113692 A KR1020040113692 A KR 1020040113692A KR 20040113692 A KR20040113692 A KR 20040113692A KR 100640621 B1 KR100640621 B1 KR 100640621B1
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KR
South Korea
Prior art keywords
magnetic head
disk
heater
magnetic
current
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
KR1020040113692A
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English (en)
Korean (ko)
Other versions
KR20060075126A (ko
Inventor
양원철
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삼성전자주식회사
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Filing date
Publication date
Application filed by 삼성전자주식회사 filed Critical 삼성전자주식회사
Priority to KR1020040113692A priority Critical patent/KR100640621B1/ko
Priority to US11/317,012 priority patent/US7649706B2/en
Priority to JP2005376053A priority patent/JP5032768B2/ja
Priority to EP05028607A priority patent/EP1677290B1/en
Priority to DE602005014077T priority patent/DE602005014077D1/de
Publication of KR20060075126A publication Critical patent/KR20060075126A/ko
Application granted granted Critical
Publication of KR100640621B1 publication Critical patent/KR100640621B1/ko
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
    • 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
    • G11B5/58—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
    • G11B5/40—Protective measures on heads, e.g. against excessive temperature 
    • 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

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Digital Magnetic Recording (AREA)
  • Magnetic Heads (AREA)
KR1020040113692A 2004-12-28 2004-12-28 디스크 드라이브의 자기 헤드 비행 높이 조정 장치 및 방법 Expired - Fee Related KR100640621B1 (ko)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020040113692A KR100640621B1 (ko) 2004-12-28 2004-12-28 디스크 드라이브의 자기 헤드 비행 높이 조정 장치 및 방법
US11/317,012 US7649706B2 (en) 2004-12-28 2005-12-27 Apparatus, medium, and method controlling flying height of a magnetic head of a disk drive
JP2005376053A JP5032768B2 (ja) 2004-12-28 2005-12-27 磁気ヘッドの制御装置，磁気ヘッドの制御方法，及び記録媒体
EP05028607A EP1677290B1 (en) 2004-12-28 2005-12-28 Apparatus, medium, and method for controlling flying height of a magnetic head of a disk drive
DE602005014077T DE602005014077D1 (de) 2004-12-28 2005-12-28 Vorrichtung, Medium und Verfahren zur Steuerung der Flughöhe des Magnetkopfes eines Plattenlaufwerks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020040113692A KR100640621B1 (ko) 2004-12-28 2004-12-28 디스크 드라이브의 자기 헤드 비행 높이 조정 장치 및 방법

Publications (2)

Publication Number Publication Date
KR20060075126A KR20060075126A (ko) 2006-07-04
KR100640621B1 true KR100640621B1 (ko) 2006-11-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020040113692A Expired - Fee Related KR100640621B1 (ko) 2004-12-28 2004-12-28 디스크 드라이브의 자기 헤드 비행 높이 조정 장치 및 방법

Country Status (5)

Country Link
US (1) US7649706B2 (https=)
EP (1) EP1677290B1 (https=)
JP (1) JP5032768B2 (https=)
KR (1) KR100640621B1 (https=)
DE (1) DE602005014077D1 (https=)

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US7180692B1 (en) * 2005-12-27 2007-02-20 Hitachi Global Storage Technologies Netherlands B.V. System and method for calibrating and controlling a fly-height actuator in a magnetic recording disk drive
US7423829B2 (en) * 2006-03-22 2008-09-09 Samsung Electronics Co., Ltd. Circuit for flying height on demand
JP4439483B2 (ja) 2006-03-28 2010-03-24 東芝ストレージデバイス株式会社 記憶装置、制御装置、制御方法及びプログラム
JP4379814B2 (ja) * 2006-03-28 2009-12-09 富士通株式会社 記憶装置、制御方法、制御装置及びプログラム
US20070230021A1 (en) * 2006-03-29 2007-10-04 Maxtor Corporation Flying height control for read-to-write and write-to-read transitions
US7633696B2 (en) * 2006-03-29 2009-12-15 Seagate Technology Llc Fly height calibration for read/write heads
KR100761841B1 (ko) * 2006-04-04 2007-09-28 삼성전자주식회사 리트라이 모드에서의 자기 헤드의 비행 높이 제어 장치 및방법과 이를 이용한 디스크 드라이브
US7423830B2 (en) * 2006-04-10 2008-09-09 Iomega Corporation Detecting head/disk contact in a disk drive using a calibration parameter
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JP2008041118A (ja) * 2006-08-01 2008-02-21 Denso Corp 記憶装置及び車載ナビゲーションシステム
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JP2008112544A (ja) * 2006-10-31 2008-05-15 Fujitsu Ltd ヘッド制御装置、記憶装置、およびヘッド制御方法
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
JP4675873B2 (ja) * 2006-11-27 2011-04-27 東芝ストレージデバイス株式会社 ヘッド制御装置、記憶装置、および上限パワー決定方法
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
JP2008192187A (ja) * 2007-01-31 2008-08-21 Fujitsu Ltd ヘッド制御装置、記憶装置および接触検出方法
JP4795982B2 (ja) * 2007-01-31 2011-10-19 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 ディスク・ドライブ装置、その高度判定方法及びそのヘッド素子部の特性判定方法
JP4805860B2 (ja) 2007-02-05 2011-11-02 東芝ストレージデバイス株式会社 浮上量測定装置、記憶装置および浮上量測定方法
JP2008243288A (ja) * 2007-03-27 2008-10-09 Fujitsu Ltd 磁気記憶装置、制御装置及び浮上量制御方法
KR20080090011A (ko) 2007-04-03 2008-10-08 삼성전자주식회사 저온에서 헤드의 불안정성을 개선한 하드디스크 드라이브및 그 방법
JP2008310904A (ja) 2007-06-15 2008-12-25 Fujitsu Ltd 制御装置、記憶装置、ヒータ設定値決定プログラムおよび記憶装置製造方法
JP4840780B2 (ja) 2007-06-19 2011-12-21 東芝ストレージデバイス株式会社 記憶装置のヘッドｉｃ及びそれを用いた記憶装置
US7508617B1 (en) * 2007-09-07 2009-03-24 Seagate Technology Llc Fly height compensation using read gain control loop
US7616398B2 (en) * 2007-11-09 2009-11-10 Hitachi Global Storage Technologies Netherlands B.V. Fly height adjustment device calibration
EP2065888A1 (en) 2007-11-30 2009-06-03 Hitachi Global Storage Technologies Netherlands B.V. Disk drive device and clearence control method thereof
JP4909878B2 (ja) * 2007-11-30 2012-04-04 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 ディスク・ドライブ装置及びそのクリアランス調整方法
JP4854038B2 (ja) * 2008-03-26 2012-01-11 東芝ストレージデバイス株式会社 情報アクセス装置および浮上量制御方法
JP2010033665A (ja) * 2008-07-30 2010-02-12 Toshiba Storage Device Corp 磁気記憶装置及び磁気ヘッドの浮上量制御用の供給電力の制御方法
US7990641B2 (en) * 2008-08-06 2011-08-02 Kabushiki Kaisha Toshiba Proximity detection method for magnetic head and recording medium
JP5080411B2 (ja) * 2008-09-19 2012-11-21 エイチジーエスティーネザーランドビーブイ ディスク・ドライブ及びヘッド・スライダ上の素子のコモン電位調整方法
JP4836284B2 (ja) 2008-09-30 2011-12-14 東芝ストレージデバイス株式会社 制御装置、制御方法、および情報記憶装置
US20100157765A1 (en) * 2008-12-19 2010-06-24 Seagate Technology Llc Collection of readback signal modulation data
KR101592195B1 (ko) * 2010-03-26 2016-02-05 시게이트 테크놀로지 인터내셔날 센서를 이용한 터치-다운 및 헤드/미디어 접촉 검출 방법 및 장치와 이를 적용한 디스크 드라이브 및 저장매체
US8730611B2 (en) * 2011-02-28 2014-05-20 Seagate Technology Llc Contact detection
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US8687313B2 (en) * 2011-06-23 2014-04-01 Western Digital Technologies, Inc. Disk drive mapping out data tracks to avoid thermal asperities
US8982502B2 (en) * 2011-12-12 2015-03-17 HGST Netherlands B.V. Hard disk drive with write assist based on detected conditions
US8995076B1 (en) * 2014-04-21 2015-03-31 Seagate Technology Llc Head-medium contact detection using electromagnetic attraction
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JP2024042482A (ja) * 2022-09-15 2024-03-28 株式会社東芝 磁気ディスク装置

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Also Published As

Publication number Publication date
US7649706B2 (en) 2010-01-19
EP1677290B1 (en) 2009-04-22
JP5032768B2 (ja) 2012-09-26
DE602005014077D1 (de) 2009-06-04
JP2006190454A (ja) 2006-07-20
EP1677290A3 (en) 2006-09-27
EP1677290A2 (en) 2006-07-05
US20060139789A1 (en) 2006-06-29
KR20060075126A (ko) 2006-07-04

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