KR20090056815A - 디스크 드라이브 장치 및 그 클리어런스 조정 방법 - Google Patents

디스크 드라이브 장치 및 그 클리어런스 조정 방법 Download PDF

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Publication number
KR20090056815A
KR20090056815A KR1020080102982A KR20080102982A KR20090056815A KR 20090056815 A KR20090056815 A KR 20090056815A KR 1020080102982 A KR1020080102982 A KR 1020080102982A KR 20080102982 A KR20080102982 A KR 20080102982A KR 20090056815 A KR20090056815 A KR 20090056815A
Authority
KR
South Korea
Prior art keywords
clearance
change
contact
head
amount
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.)
Ceased
Application number
KR1020080102982A
Other languages
English (en)
Korean (ko)
Inventor
겐이치 구라모토
마사유키 구리타
요시히코 마에다
히데츠구 다나카
아키히로 세라
가츠마사 야마자키
Original Assignee
히다치 글로벌 스토리지 테크놀로지스 네덜란드 비.브이.
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 히다치 글로벌 스토리지 테크놀로지스 네덜란드 비.브이. filed Critical 히다치 글로벌 스토리지 테크놀로지스 네덜란드 비.브이.
Publication of KR20090056815A publication Critical patent/KR20090056815A/ko
Ceased 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
    • G11B5/581—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 maintaining desired contact or spacing by direct interaction of forces generated between heads or supports thereof and record carriers or supports thereof, e.g. attraction-repulsion interactions
    • 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
    • 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
    • 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
    • G11B21/24—Head support adjustments
    • 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
    • G11B5/581—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 maintaining desired contact or spacing by direct interaction of forces generated between heads or supports thereof and record carriers or supports thereof, e.g. attraction-repulsion interactions
    • G11B5/582—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 maintaining desired contact or spacing by direct interaction of forces generated between heads or supports thereof and record carriers or supports thereof, e.g. attraction-repulsion interactions interactions in a magnetic field
    • G11B5/583—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 maintaining desired contact or spacing by direct interaction of forces generated between heads or supports thereof and record carriers or supports thereof, e.g. attraction-repulsion interactions interactions in a magnetic field using repulsion generated by superconductors in a magnetic field, e.g. by "Meissner effect"
    • 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

Landscapes

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Magnetic Heads (AREA)
KR1020080102982A 2007-11-30 2008-10-21 디스크 드라이브 장치 및 그 클리어런스 조정 방법 Ceased KR20090056815A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2007-311773 2007-11-30
JP2007311773A JP4909878B2 (ja) 2007-11-30 2007-11-30 ディスク・ドライブ装置及びそのクリアランス調整方法

Publications (1)

Publication Number Publication Date
KR20090056815A true KR20090056815A (ko) 2009-06-03

Family

ID=40675437

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020080102982A Ceased KR20090056815A (ko) 2007-11-30 2008-10-21 디스크 드라이브 장치 및 그 클리어런스 조정 방법

Country Status (6)

Country Link
US (1) US20090141391A1 (https=)
JP (1) JP4909878B2 (https=)
KR (1) KR20090056815A (https=)
CN (1) CN101447193B (https=)
SG (1) SG152992A1 (https=)
TW (1) TW200937400A (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009223992A (ja) * 2008-03-18 2009-10-01 Fujitsu Ltd 制御回路および情報記憶装置
JP4940208B2 (ja) * 2008-09-11 2012-05-30 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・ドライブ及びクリアランス変化を測定する方法
JP5051274B2 (ja) 2009-06-04 2012-10-17 住友化学株式会社 加硫ゴムが有する粘弾性特性を改善させるためのｓ−（３−アミノプロピル）チオ硫酸および／またはその金属塩の使用
JP4829353B2 (ja) * 2010-02-26 2011-12-07 株式会社東芝 ディスク記憶装置及びヘッド浮上量制御方法
US9343082B2 (en) 2010-03-30 2016-05-17 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for detecting head contact
KR20130007180A (ko) * 2011-06-30 2013-01-18 시게이트 테크놀로지 엘엘씨 하드디스크 드라이브 및 하드디스크 드라이브의 자기 헤드의 부상높이 제어 방법
US8810953B2 (en) 2011-12-02 2014-08-19 HGST Netherlands B.V. Error recovery based on applying current/voltage to a heating element of a magnetic head
US8730612B1 (en) 2011-12-16 2014-05-20 Western Digital Technologies, Inc. Disk drive evaluating ratio of fly height setting for first and second heads to verify operability
US8908312B2 (en) * 2012-11-19 2014-12-09 HGST Netherlands B.V. Dynamic fly height control that is insensitive to off-track motion
US9053749B1 (en) 2013-03-15 2015-06-09 Western Digital Technologies, Inc. Disk drive comprising a per-drive and per-head fly height filter
US9443543B1 (en) * 2015-03-11 2016-09-13 Kabushiki Kaisha Toshiba Disk storage device and method for controlling head flying height
US11532327B2 (en) * 2020-04-28 2022-12-20 Seagate Technology Llc Reader fly height control for head burnishing mitigation

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4777544A (en) * 1986-08-15 1988-10-11 International Business Machine Corporation Method and apparatus for in-situ measurement of head/recording medium clearance
US5168413A (en) * 1990-11-30 1992-12-01 Ibm Corporation Transducer head flying height monitoring methods and apparatus for disk drive system
US5777815A (en) * 1996-06-13 1998-07-07 International Business Machines Corporation Disk drive with shock detection based on thermoresistive signal from magnetoresistive head
US5991113A (en) * 1997-04-07 1999-11-23 Seagate Technology, Inc. Slider with temperature responsive transducer positioning
JP4072469B2 (ja) * 2003-08-01 2008-04-09 株式会社日立グローバルストレージテクノロジーズ 磁気ヘッドスライダおよび磁気ディスク装置
JP2006024289A (ja) * 2004-07-08 2006-01-26 Tdk Corp 発熱体を備えた薄膜磁気ヘッド、該薄膜磁気ヘッドを備えたヘッドジンバルアセンブリ及び該ヘッドジンバルアセンブリを備えた磁気ディスク装置
KR100640621B1 (ko) * 2004-12-28 2006-11-01 삼성전자주식회사 디스크 드라이브의 자기 헤드 비행 높이 조정 장치 및 방법
JP4979894B2 (ja) * 2005-03-25 2012-07-18 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 磁気ディスク装置
US7215495B1 (en) * 2005-12-27 2007-05-08 Hitachi Global Storage Technologies Netherlands B.V. System and method for determining head-disk contact in a magnetic recording disk drive
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
US7558015B2 (en) * 2006-03-29 2009-07-07 Maxtor Corporation Actuation efficiency based contact detection
US7423830B2 (en) * 2006-04-10 2008-09-09 Iomega Corporation Detecting head/disk contact in a disk drive using a calibration parameter
US7417820B2 (en) * 2006-12-11 2008-08-26 Tdk Corporation Head support mechanism, magnetic head assembly, and magnetic disk drive apparatus
JP2009110614A (ja) * 2007-10-31 2009-05-21 Fujitsu Ltd 磁気ディスク装置、磁気ディスク装置制御方法

Also Published As

Publication number Publication date
CN101447193A (zh) 2009-06-03
TW200937400A (en) 2009-09-01
SG152992A1 (en) 2009-06-29
CN101447193B (zh) 2011-01-26
JP4909878B2 (ja) 2012-04-04
JP2009134837A (ja) 2009-06-18
US20090141391A1 (en) 2009-06-04

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