KR100756238B1 - 실시간 자기 헤드와 데이터 저장 매체 사이의 거리 조절장치와 방법 - Google Patents

실시간 자기 헤드와 데이터 저장 매체 사이의 거리 조절장치와 방법 Download PDF

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Publication number
KR100756238B1
KR100756238B1 KR1020060065297A KR20060065297A KR100756238B1 KR 100756238 B1 KR100756238 B1 KR 100756238B1 KR 1020060065297 A KR1020060065297 A KR 1020060065297A KR 20060065297 A KR20060065297 A KR 20060065297A KR 100756238 B1 KR100756238 B1 KR 100756238B1
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KR
South Korea
Prior art keywords
data storage
distance
storage medium
magnetic head
control signal
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
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KR1020060065297A
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English (en)
Korean (ko)
Inventor
양원철
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삼성전자주식회사
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Priority to KR1020060065297A priority Critical patent/KR100756238B1/ko
Priority to EP07112112A priority patent/EP1881492A3/en
Priority to US11/775,244 priority patent/US7602573B2/en
Priority to JP2007183538A priority patent/JP2008021405A/ja
Application granted granted Critical
Publication of KR100756238B1 publication Critical patent/KR100756238B1/ko
Expired - Fee Related legal-status Critical Current
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    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00Head arrangements not specific to the method of recording or reproducing
    • G11B21/16Supporting the heads; Supporting the sockets for plug-in heads
    • G11B21/20Supporting 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
    • G11B21/21Supporting 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition 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
    • G11B5/58Disposition 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
    • G11B5/60Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005Specially adapted for spacing from a rotating disc using a fluid cushion
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00Head arrangements not specific to the method of recording or reproducing
    • G11B21/02Driving or moving of heads
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00Head arrangements not specific to the method of recording or reproducing
    • G11B21/02Driving or moving of heads
    • G11B21/12Raising and lowering; Back-spacing or forward-spacing along track; Returning to starting position otherwise than during transducing operation
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00Head arrangements not specific to the method of recording or reproducing
    • G11B21/16Supporting the heads; Supporting the sockets for plug-in heads
    • G11B21/24Head support adjustments
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition 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
    • G11B5/58Disposition 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
    • G11B5/60Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005Specially adapted for spacing from a rotating disc using a fluid cushion
    • G11B5/6011Control of flying height
    • G11B5/6064Control of flying height using air pressure
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition 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
    • G11B5/58Disposition 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
    • G11B5/60Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005Specially adapted for spacing from a rotating disc using a fluid cushion
    • G11B5/6011Control of flying height
    • G11B5/607Control of flying height using thermal means

Landscapes

  • Digital Magnetic Recording (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
KR1020060065297A 2006-07-12 2006-07-12 실시간 자기 헤드와 데이터 저장 매체 사이의 거리 조절장치와 방법 Expired - Fee Related KR100756238B1 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020060065297A KR100756238B1 (ko) 2006-07-12 2006-07-12 실시간 자기 헤드와 데이터 저장 매체 사이의 거리 조절장치와 방법
EP07112112A EP1881492A3 (en) 2006-07-12 2007-07-10 Device and method for adjusting distance between magnetic head and data storage medium
US11/775,244 US7602573B2 (en) 2006-07-12 2007-07-10 Device and method for adjusting distance between magnetic head and data storage medium
JP2007183538A JP2008021405A (ja) 2006-07-12 2007-07-12 磁気ヘッドとデータ記録媒体との間の距離をリアルタイムで調節する装置および方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020060065297A KR100756238B1 (ko) 2006-07-12 2006-07-12 실시간 자기 헤드와 데이터 저장 매체 사이의 거리 조절장치와 방법

Publications (1)

Publication Number Publication Date
KR100756238B1 true KR100756238B1 (ko) 2007-09-07

Family

ID=38667029

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020060065297A Expired - Fee Related KR100756238B1 (ko) 2006-07-12 2006-07-12 실시간 자기 헤드와 데이터 저장 매체 사이의 거리 조절장치와 방법

Country Status (4)

Country Link
US (1) US7602573B2 (enExample)
EP (1) EP1881492A3 (enExample)
JP (1) JP2008021405A (enExample)
KR (1) KR100756238B1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101481202B1 (ko) * 2007-12-14 2015-01-09 엘에스아이 코포레이션 서보 데이터를 사용하는 플라이―하이트 제어를 위한 시스템들 및 방법들
KR101482292B1 (ko) * 2007-12-14 2015-01-13 엘에스아이 코포레이션 서보 어드레스 마크 데이터를 사용하는 플라이―하이트 제어를 위한 시스템들 및 방법들

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4986876B2 (ja) * 2008-02-02 2012-07-25 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
CN101821808B (zh) * 2008-07-28 2014-03-19 艾格瑞系统有限公司 用于确定头组件与存储介质之间的飞行高度的系统和方法
JP2010033670A (ja) * 2008-07-30 2010-02-12 Toshiba Storage Device Corp 磁気ヘッドの浮上量制御装置及び磁気ディスク装置
US7986487B1 (en) 2008-10-31 2011-07-26 Marvell International Ltd. Harmonic sensor
KR20110108180A (ko) * 2010-03-26 2011-10-05 삼성전자주식회사 헤드의 터치-다운 검출 방법 및 이를 이용한 헤드 부상 높이 조정 방법 및 디스크 드라이브
US9001452B2 (en) * 2013-03-15 2015-04-07 Seagate Technology Llc Head to media proximity detection
US9916858B1 (en) * 2016-11-10 2018-03-13 Seagate Technology Llc Detection of Z-axis non-operation shock
US10304559B2 (en) * 2016-12-30 2019-05-28 Western Digital Technologies, Inc. Memory write verification using temperature compensation
US11881239B1 (en) 2022-04-29 2024-01-23 Seagate Technology Llc Determining fly height using readback signal distortion

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0581807A (ja) * 1990-11-30 1993-04-02 Internatl Business Mach Corp <Ibm> デイスク・フアイル装置におけるトランデユーサ・ヘツドの浮動高さの変化を測定する方法及び装置
US5377058A (en) * 1992-12-31 1994-12-27 International Business Machines Corporation Fly height servo control of read/write head suspension
US6288856B1 (en) * 1999-05-26 2001-09-11 International Business Machines Corporation Real-time head-to-disk clearance measuring method and apparatus
US20050046982A1 (en) 2003-08-29 2005-03-03 Bo Liu Method and implementation of in-situ absolute head medium spacing measurement

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10177774A (ja) * 1996-12-16 1998-06-30 Fujitsu Ltd ディスク装置及び携帯型電子装置
JP2003272335A (ja) * 2002-03-13 2003-09-26 Toshiba Corp 磁気ディスク装置
JP2004014092A (ja) * 2002-06-12 2004-01-15 Hitachi Ltd 磁気ディスク装置
US8531796B2 (en) * 2004-01-09 2013-09-10 International Business Machines Corporation Fly height extraction system
JP4093250B2 (ja) * 2004-06-04 2008-06-04 Tdk株式会社 オーバーコート積層体内に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
JP2007272978A (ja) * 2006-03-30 2007-10-18 Fujitsu Ltd 磁気記憶装置におけるヘッド浮上量測定装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0581807A (ja) * 1990-11-30 1993-04-02 Internatl Business Mach Corp <Ibm> デイスク・フアイル装置におけるトランデユーサ・ヘツドの浮動高さの変化を測定する方法及び装置
US5377058A (en) * 1992-12-31 1994-12-27 International Business Machines Corporation Fly height servo control of read/write head suspension
US6288856B1 (en) * 1999-05-26 2001-09-11 International Business Machines Corporation Real-time head-to-disk clearance measuring method and apparatus
US20050046982A1 (en) 2003-08-29 2005-03-03 Bo Liu Method and implementation of in-situ absolute head medium spacing measurement

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101481202B1 (ko) * 2007-12-14 2015-01-09 엘에스아이 코포레이션 서보 데이터를 사용하는 플라이―하이트 제어를 위한 시스템들 및 방법들
KR101482292B1 (ko) * 2007-12-14 2015-01-13 엘에스아이 코포레이션 서보 어드레스 마크 데이터를 사용하는 플라이―하이트 제어를 위한 시스템들 및 방법들

Also Published As

Publication number Publication date
EP1881492A2 (en) 2008-01-23
JP2008021405A (ja) 2008-01-31
US7602573B2 (en) 2009-10-13
EP1881492A3 (en) 2009-08-12
US20080037157A1 (en) 2008-02-14

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