JP2008021405A - 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 - Google Patents

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 Download PDF

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Publication number
JP2008021405A
JP2008021405A JP2007183538A JP2007183538A JP2008021405A JP 2008021405 A JP2008021405 A JP 2008021405A JP 2007183538 A JP2007183538 A JP 2007183538A JP 2007183538 A JP2007183538 A JP 2007183538A JP 2008021405 A JP2008021405 A JP 2008021405A
Authority
JP
Japan
Prior art keywords
control signal
recording medium
magnetic head
data recording
distance
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.)
Pending
Application number
JP2007183538A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008021405A5 (enExample
Inventor
Won-Choul Yang
元▲チョル▼ 梁
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of JP2008021405A publication Critical patent/JP2008021405A/ja
Publication of JP2008021405A5 publication Critical patent/JP2008021405A5/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G11B21/02—Driving or moving of heads
    • G11B21/12—Raising and lowering; Back-spacing or forward-spacing along track; Returning to starting position otherwise than during transducing operation
    • 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
    • G11B5/60—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

  • Digital Magnetic Recording (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
JP2007183538A 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 Pending JP2008021405A (ja)

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 (2)

Publication Number Publication Date
JP2008021405A true JP2008021405A (ja) 2008-01-31
JP2008021405A5 JP2008021405A5 (enExample) 2010-08-26

Family

ID=38667029

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007183538A Pending 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

Country Status (4)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009187601A (ja) * 2008-02-02 2009-08-20 Hitachi Global Storage Technologies Netherlands Bv ディスク・ドライブ装置
JP2011529611A (ja) * 2008-07-28 2011-12-08 アギア システムズ インコーポレーテッド 変量補償浮上量測定システムおよび方法
JP2014182866A (ja) * 2013-03-15 2014-09-29 Seagate Technology Llc ヘッド・媒体間近接検出のための方法および装置

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101743592B (zh) * 2007-12-14 2013-03-27 Lsi公司 使用伺服数据控制飞行高度的系统和方法
WO2009079094A1 (en) * 2007-12-14 2009-06-25 Lsi Corporation Systems and methods for fly-height control using servo address mark data
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
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
JPH06236641A (ja) * 1992-12-31 1994-08-23 Internatl Business Mach Corp <Ibm> ヘッド浮上量制御装置
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
JP2006018987A (ja) * 2004-06-04 2006-01-19 Tdk Corp 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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5168413A (en) * 1990-11-30 1992-12-01 Ibm Corporation Transducer head flying height monitoring methods and apparatus for disk drive system
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
US6288856B1 (en) * 1999-05-26 2001-09-11 International Business Machines Corporation Real-time head-to-disk clearance measuring method and apparatus
US7016131B2 (en) 2003-08-29 2006-03-21 Agency For Science, Technology And Research Method and implementation of in-situ absolute head medium spacing measurement
US8531796B2 (en) * 2004-01-09 2013-09-10 International Business Machines Corporation Fly height extraction system
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
JPH06236641A (ja) * 1992-12-31 1994-08-23 Internatl Business Mach Corp <Ibm> ヘッド浮上量制御装置
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
JP2006018987A (ja) * 2004-06-04 2006-01-19 Tdk Corp 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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009187601A (ja) * 2008-02-02 2009-08-20 Hitachi Global Storage Technologies Netherlands Bv ディスク・ドライブ装置
JP2011529611A (ja) * 2008-07-28 2011-12-08 アギア システムズ インコーポレーテッド 変量補償浮上量測定システムおよび方法
JP2014182866A (ja) * 2013-03-15 2014-09-29 Seagate Technology Llc ヘッド・媒体間近接検出のための方法および装置

Also Published As

Publication number Publication date
EP1881492A2 (en) 2008-01-23
US7602573B2 (en) 2009-10-13
EP1881492A3 (en) 2009-08-12
KR100756238B1 (ko) 2007-09-07
US20080037157A1 (en) 2008-02-14

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