DE60322632D1 - Verfahren zur Positionskontrolle eines Kopfes, Plattenapparat und Servospurschreibverfahren - Google Patents

Verfahren zur Positionskontrolle eines Kopfes, Plattenapparat und Servospurschreibverfahren

Info

Publication number
DE60322632D1
DE60322632D1 DE60322632T DE60322632T DE60322632D1 DE 60322632 D1 DE60322632 D1 DE 60322632D1 DE 60322632 T DE60322632 T DE 60322632T DE 60322632 T DE60322632 T DE 60322632T DE 60322632 D1 DE60322632 D1 DE 60322632D1
Authority
DE
Germany
Prior art keywords
position control
head position
disk apparatus
servo track
control method
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
DE60322632T
Other languages
English (en)
Inventor
Kazuhiko Takaishi
Takeyori Hara
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.)
Toshiba Storage Device Corp
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE60322632D1 publication Critical patent/DE60322632D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B21/02—Driving or moving of heads
    • G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
    • 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
    • G11B5/59633—Servo formatting
    • 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
    • G11B5/59633—Servo formatting
    • G11B5/59644—Acquisition or selection of servo format from a system reference
DE60322632T 2002-07-03 2003-06-19 Verfahren zur Positionskontrolle eines Kopfes, Plattenapparat und Servospurschreibverfahren Expired - Fee Related DE60322632D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002195037A JP4660055B2 (ja) 2002-07-03 2002-07-03 ヘッド位置制御方法、デイスク装置及びサーボトラックライト方法

Publications (1)

Publication Number Publication Date
DE60322632D1 true DE60322632D1 (de) 2008-09-18

Family

ID=29720282

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60322632T Expired - Fee Related DE60322632D1 (de) 2002-07-03 2003-06-19 Verfahren zur Positionskontrolle eines Kopfes, Plattenapparat und Servospurschreibverfahren

Country Status (6)

Country Link
US (1) US6989956B2 (de)
EP (1) EP1378892B1 (de)
JP (1) JP4660055B2 (de)
KR (1) KR20040004128A (de)
CN (1) CN1223996C (de)
DE (1) DE60322632D1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005025826A (ja) * 2003-06-30 2005-01-27 Toshiba Corp ディスク記憶装置及びサーボ書き込み方法
JP2005050257A (ja) * 2003-07-31 2005-02-24 Toshiba Corp シリアルａｔａインタフェース持つ電子機器及び信号振幅自動調整方法
KR100594252B1 (ko) * 2004-02-17 2006-06-30 삼성전자주식회사 데이터 저장 장치에서의 헤드 움직임 제어 방법 및 이를이용한 디스크 드라이브
US7405894B2 (en) * 2004-07-08 2008-07-29 Broadcom Corporation Frequency, phase, and gain estimation technique for use in a read channel receiver of a hard disk drive
CN101223590B (zh) * 2005-07-15 2011-06-29 皇家飞利浦电子股份有限公司 用于校正误差的方法和系统
US8089718B2 (en) * 2006-01-10 2012-01-03 Hitachi Global Technologies, Netherlands B.V. Method and apparatus for increasing storage capacity of a hard disk drive
JP4439480B2 (ja) 2006-03-03 2010-03-24 東芝ストレージデバイス株式会社 位置決め制御装置、ディスク装置、及び位置決め制御方法
JP2008176865A (ja) * 2007-01-19 2008-07-31 Fujitsu Ltd 記憶装置、制御装置
US7876523B1 (en) 2009-08-07 2011-01-25 Western Digital Technologies, Inc. Disk drive initializing position feedforward compensation with velocity feedforward compensation
US8189286B1 (en) 2010-05-21 2012-05-29 Western Digital Technologies, Inc. Disk drive employing velocity insensitive servo burst pattern
US7916422B1 (en) 2010-05-28 2011-03-29 Western Digital Technologies, Inc. Disk drive rotating phase based servo bursts based on radial location of head
US8077428B1 (en) 2010-06-23 2011-12-13 Western Digital Technologies, Inc. Disk drive correcting position error signal based on velocity of head
US8531798B1 (en) 2010-12-13 2013-09-10 Western Digital Technologies, Inc. Disk drive adjusting servo burst signals to compensate for radial velocity of the head
JP5060612B2 (ja) * 2010-12-24 2012-10-31 株式会社東芝 ディスク記憶装置、ディスク記憶装置のコントローラ、ディスク記憶装置による制御方法及び電子機器
JP5162007B2 (ja) 2011-06-10 2013-03-13 株式会社東芝 位置復調装置、及び位置復調方法
JP2013157065A (ja) * 2012-01-31 2013-08-15 Toshiba Corp 磁気ディスク装置およびヘッド位置制御方法
US8953266B2 (en) * 2012-08-24 2015-02-10 HGST Netherlands B.V. Method and structure for improving performance and storage density in a data storage device
CN104575528A (zh) * 2013-10-15 2015-04-29 株式会社东芝 头位置解调方法及磁盘装置
JP2020205128A (ja) * 2019-06-14 2020-12-24 株式会社東芝 磁気ディスク装置及びサーボライトの制御方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3725764A (en) * 1971-04-01 1973-04-03 Ibm Servo positioning system for magnetic disk memory including radial runout servo compensation
JP3781380B2 (ja) 1995-01-13 2006-05-31 富士通株式会社 位置信号復調方法
KR19980702968A (ko) * 1995-03-17 1998-09-05 가나이 츠토무 자기기록장치 및 광자기기록장치
JPH09128915A (ja) 1995-11-02 1997-05-16 Matsushita Electric Ind Co Ltd 固定磁気記録装置
US5739972A (en) * 1996-01-02 1998-04-14 Ibm Method and apparatus for positioning a magnetoresistive head using thermal response to servo information on the record medium
JP2965062B2 (ja) 1996-06-10 1999-10-18 富士通株式会社 ディスク装置及びディスク装置のヘッド位置制御方法
JP3859282B2 (ja) 1996-12-10 2006-12-20 富士通株式会社 磁気ディスク装置のサーボパターン書き込み方法及び磁気ディスク装置
US6137753A (en) * 1997-04-14 2000-10-24 Oak Technology, Inc. Runout calibration for disc drive system
US6411461B1 (en) * 1998-02-03 2002-06-25 Seagate Technology Llc Data collection system and method for zero acceleration path correction
KR100648747B1 (ko) * 1999-04-21 2006-11-23 시게이트 테크놀로지 엘엘씨 디스크 드라이브의 자체 조정 모델 기준 컨트롤러
JP3683155B2 (ja) 2000-03-08 2005-08-17 富士通株式会社 ディスク装置のヘッド位置決め制御方法及び装置
JP3693881B2 (ja) * 2000-03-30 2005-09-14 富士通株式会社 ディスク装置のヘッド位置制御方法及び制御装置
US6943970B2 (en) * 2001-09-06 2005-09-13 Fujitsu Limited Position demodulating method and circuit of disk apparatus

Also Published As

Publication number Publication date
US20040004783A1 (en) 2004-01-08
JP2004039116A (ja) 2004-02-05
EP1378892A3 (de) 2005-12-21
US6989956B2 (en) 2006-01-24
EP1378892B1 (de) 2008-08-06
KR20040004128A (ko) 2004-01-13
EP1378892A2 (de) 2004-01-07
JP4660055B2 (ja) 2011-03-30
CN1471084A (zh) 2004-01-28
CN1223996C (zh) 2005-10-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: TOSHIBA STORAGE DEVICE CORP., TOKYO, JP

8328 Change in the person/name/address of the agent

Representative=s name: SEEGER SEEGER LINDNER PARTNERSCHAFT PATENTANWAELTE

8339 Ceased/non-payment of the annual fee