KR20130091623A - 검출된 트랙간 간섭에 응답한 헤드 위치 제어를 갖는 디스크 기반 저장 디바이스 - Google Patents

검출된 트랙간 간섭에 응답한 헤드 위치 제어를 갖는 디스크 기반 저장 디바이스 Download PDF

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Publication number
KR20130091623A
KR20130091623A KR1020120125139A KR20120125139A KR20130091623A KR 20130091623 A KR20130091623 A KR 20130091623A KR 1020120125139 A KR1020120125139 A KR 1020120125139A KR 20120125139 A KR20120125139 A KR 20120125139A KR 20130091623 A KR20130091623 A KR 20130091623A
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KR
South Korea
Prior art keywords
read
write head
storage disk
servo
head
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.)
Withdrawn
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KR1020120125139A
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English (en)
Korean (ko)
Inventor
데이비드 엠 스프링버그
제퍼슨 이 싱글턴
제프리 피 그룬트빅
Original Assignee
엘에스아이 코포레이션
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Application filed by 엘에스아이 코포레이션 filed Critical 엘에스아이 코포레이션
Publication of KR20130091623A publication Critical patent/KR20130091623A/ko
Withdrawn legal-status Critical Current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
    • G11B5/56—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 support for the purpose of adjusting the position of the head relative to the record carrier, e.g. manual adjustment for azimuth correction or track centering
    • 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
    • G11B5/596—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 for track following on disks
    • G11B5/59627—Aligning for runout, eccentricity or offset compensation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • G11B19/041—Detection or prevention of read or write errors
    • G11B19/045—Detection or prevention of read or write errors by detecting mistracking
    • 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

Landscapes

  • Moving Of The Head To Find And Align With The Track (AREA)
  • Digital Magnetic Recording (AREA)
KR1020120125139A 2012-02-08 2012-11-07 검출된 트랙간 간섭에 응답한 헤드 위치 제어를 갖는 디스크 기반 저장 디바이스 Withdrawn KR20130091623A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/368,508 2012-02-08
US13/368,508 US8773806B2 (en) 2012-02-08 2012-02-08 Disk-based storage device with head position control responsive to detected inter-track interference

Publications (1)

Publication Number Publication Date
KR20130091623A true KR20130091623A (ko) 2013-08-19

Family

ID=47832890

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020120125139A Withdrawn KR20130091623A (ko) 2012-02-08 2012-11-07 검출된 트랙간 간섭에 응답한 헤드 위치 제어를 갖는 디스크 기반 저장 디바이스

Country Status (6)

Country Link
US (1) US8773806B2 (enExample)
EP (1) EP2626858A1 (enExample)
JP (1) JP2013161515A (enExample)
KR (1) KR20130091623A (enExample)
CN (1) CN103247313B (enExample)
TW (1) TW201333937A (enExample)

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US8773806B2 (en) 2012-02-08 2014-07-08 Lsi Corporation Disk-based storage device with head position control responsive to detected inter-track interference
JP5793474B2 (ja) * 2012-07-26 2015-10-14 株式会社東芝 記録再生装置および記録再生方法
US8902534B2 (en) * 2012-08-03 2014-12-02 HGST Netherlands B.V. Implementing track following using data characteristics for positional information
US8773789B1 (en) * 2013-02-14 2014-07-08 Lsi Corporation In-channel channel optimization for hard-disc drive read/write chips
US9001442B2 (en) * 2013-03-15 2015-04-07 Seagate Technology Llc Detection of adjacent track interference using size-adjustable sliding window
WO2015048677A1 (en) * 2013-09-30 2015-04-02 Marvell World Trade Ltd. Generating position error signal based on data tracks for magnetic data storage
JP2015204123A (ja) 2014-04-15 2015-11-16 株式会社東芝 磁気ディスク装置及びデータ記録方法
US10008229B2 (en) * 2016-01-05 2018-06-26 Western Digital Technologies, Inc Implementing enhanced track following during read back using head asymmetry metrics in hard disk drives
CN114242118B (zh) * 2020-09-09 2025-08-22 马维尔亚洲私人有限公司 用于存储装置的双表面自伺服写入
CN115713960B (zh) * 2022-11-09 2025-12-16 超聚变数字技术有限公司 硬盘检测方法和计算设备

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JPS60201556A (ja) * 1984-03-22 1985-10-12 Toshiba Corp トラツキング装置
JPS63217556A (ja) * 1987-03-06 1988-09-09 Pioneer Electronic Corp 回転ヘツド式デジタルオーデイオ再生装置
US5041926A (en) 1989-11-13 1991-08-20 Hewlett-Packard Company Track position syncopation cancellation in a disk drive
US5398140A (en) 1991-08-06 1995-03-14 R-Byte, Inc. Digital data tape storage automatic track follower system
JPH05174456A (ja) * 1991-12-20 1993-07-13 Sony Corp 記録再生装置
US6411452B1 (en) 1997-03-11 2002-06-25 Western Digital Technologies, Inc. Disk drive employing read error tolerant sync mark detection
US6115198A (en) * 1997-10-29 2000-09-05 Cirrus Logic, Inc. PR4 sampled amplitude read channel for detecting user data and embedded servo data
US6839193B2 (en) * 2001-08-06 2005-01-04 Seagate Technology Llc Method and apparatus for determining read-to-write head offset of a disk drive
US7126890B2 (en) * 2002-08-26 2006-10-24 Bae Systems Information And Electronic Systems Integration Inc Multitrack readback and multiuser detection for disk drives
US6826140B2 (en) * 2002-08-26 2004-11-30 Bae Systems Information And Electronic Systems Integration Inc Multichannel digital recording system with multi-user detection
US7116514B2 (en) 2003-10-20 2006-10-03 Quantum Corporation Methods and systems for magnetic recording
US7068459B1 (en) * 2004-09-20 2006-06-27 Western Digital Technologies, Inc. Adjusting track density by changing PES algorithm when servo writing a disk drive from spiral tracks
JP2007048335A (ja) 2005-08-05 2007-02-22 Hitachi Global Storage Technologies Netherlands Bv ディスク装置
JP2008027499A (ja) 2006-07-19 2008-02-07 Lenovo Singapore Pte Ltd 磁気記録装置、磁気記録方法、および磁気記録用プログラム
JP4745172B2 (ja) 2006-08-29 2011-08-10 東芝ストレージデバイス株式会社 制御装置および記憶装置
US7567397B2 (en) 2006-09-11 2009-07-28 Hitachi Global Storage Technologies Netherlands B.V. Adjacent Track Interference (ATI) identification methodology
JP4331202B2 (ja) * 2006-12-25 2009-09-16 株式会社東芝 再生装置及び再生方法
US7760455B2 (en) 2007-04-19 2010-07-20 Samsung Electronics Co., Ltd. Method and apparatus improving prevention of off-track writing in a hard disk drive
JP4896222B2 (ja) * 2007-06-29 2012-03-14 パナソニック株式会社 光ディスク記録再生装置
JP4908635B2 (ja) 2007-08-20 2012-04-04 アギア システムズ インコーポレーテッド 消費電力が低減されるデータ記憶ドライブ
CN101436410A (zh) 2007-11-12 2009-05-20 深圳易拓科技有限公司 消除硬盘驱动器不规则磁轨形成的干扰的方法
US7639447B1 (en) * 2008-02-18 2009-12-29 Western Digital Technologies, Inc. Servo track squeeze compensation in a disk drive
US7948708B2 (en) * 2009-03-23 2011-05-24 Carnegie Mellon University Simultaneous bit pattern determination and head positional information detection on patterned media
US8049982B1 (en) 2010-07-30 2011-11-01 Lsi Corporation Methods and apparatus for measuring servo address mark distance in a read channel using selective fine phase estimate
US8681439B2 (en) * 2010-09-13 2014-03-25 Lsi Corporation Systems and methods for handling sector gaps in inter-track interference compensation
US8773806B2 (en) 2012-02-08 2014-07-08 Lsi Corporation Disk-based storage device with head position control responsive to detected inter-track interference

Also Published As

Publication number Publication date
JP2013161515A (ja) 2013-08-19
US20130201579A1 (en) 2013-08-08
TW201333937A (zh) 2013-08-16
CN103247313B (zh) 2016-08-03
US8773806B2 (en) 2014-07-08
CN103247313A (zh) 2013-08-14
EP2626858A1 (en) 2013-08-14

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Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 20121107

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PN2301 Change of applicant

Patent event date: 20150427

Comment text: Notification of Change of Applicant

Patent event code: PN23011R01D

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WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid