CN1393879A - 磁盘驱动器 - Google Patents
磁盘驱动器 Download PDFInfo
- Publication number
- CN1393879A CN1393879A CN01133198A CN01133198A CN1393879A CN 1393879 A CN1393879 A CN 1393879A CN 01133198 A CN01133198 A CN 01133198A CN 01133198 A CN01133198 A CN 01133198A CN 1393879 A CN1393879 A CN 1393879A
- Authority
- CN
- China
- Prior art keywords
- disk
- disappear
- mean value
- servo
- magnetic 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.)
- Granted
Links
- 230000035945 sensitivity Effects 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 32
- 230000006870 function Effects 0.000 description 15
- 101000606504 Drosophila melanogaster Tyrosine-protein kinase-like otk Proteins 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 5
- 230000006386 memory function Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013500 data storage Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
Images
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
- G11B5/596—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
-
- 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
- G11B21/106—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 on disks
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/02—Control of operating function, e.g. switching from recording to reproducing
- G11B15/04—Preventing, inhibiting, or warning against accidental erasing or double recording
-
- 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
- G11B5/59627—Aligning for runout, eccentricity or offset compensation
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001195693A JP2003016747A (ja) | 2001-06-28 | 2001-06-28 | 磁気ディスク装置 |
JP195693/2001 | 2001-06-28 | ||
JP195693/01 | 2001-06-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1393879A true CN1393879A (zh) | 2003-01-29 |
CN100431036C CN100431036C (zh) | 2008-11-05 |
Family
ID=19033630
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011331984A Expired - Fee Related CN100431036C (zh) | 2001-06-28 | 2001-08-20 | 磁盘驱动器 |
Country Status (6)
Country | Link |
---|---|
US (2) | US6898047B2 (zh) |
EP (1) | EP1271475B1 (zh) |
JP (1) | JP2003016747A (zh) |
KR (2) | KR100452080B1 (zh) |
CN (1) | CN100431036C (zh) |
DE (1) | DE60130746T2 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1815617B (zh) * | 2005-02-04 | 2012-04-18 | 三星电子株式会社 | 伺服控制方法以及适于该方法的装置 |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040021977A1 (en) * | 2002-08-01 | 2004-02-05 | Lim Choonkiat | Compensating for coherent runout error in a data-storage device |
US20040156137A1 (en) * | 2003-02-06 | 2004-08-12 | Settje Christopher Thomas | Timing variance write gate pull |
US7457075B2 (en) * | 2004-02-24 | 2008-11-25 | Seagate Technology Llc | System and method for reducing ZAP time and track squeeze in a data storage device |
KR100618854B1 (ko) * | 2004-07-30 | 2006-09-01 | 삼성전자주식회사 | 반복적인 런 아웃 보상기 최적화 방법 및 이를 이용한디스크 드라이브 |
US7304751B2 (en) * | 2004-09-30 | 2007-12-04 | Hitachi Global Storage Technologies Neterlands B.V. | Apparatus and method for automatically measuring characteristics of a hard disk drive carriage arm |
US20060189257A1 (en) * | 2005-02-22 | 2006-08-24 | Lsi Logic Corporation | Systems and methods for wafer polishing |
JP4825624B2 (ja) | 2006-08-30 | 2011-11-30 | 東芝ストレージデバイス株式会社 | 制御装置、記憶装置、記憶媒体、サーボ情報復調プログラム及びサーボ情報復調方法 |
US8643976B1 (en) | 2007-01-31 | 2014-02-04 | Western Digital Technologies, Inc. | Method for improved repeatable runout learning in a disk drive |
US7589930B2 (en) * | 2007-03-14 | 2009-09-15 | Seagate Technology Llc | Zone based repeated runout error compensation |
US7881007B2 (en) * | 2009-04-23 | 2011-02-01 | Hitachi Global Storage Technologies, Netherlands B.V. | Unequal zoning for track following on a hard disk drive |
US8054574B2 (en) * | 2009-05-29 | 2011-11-08 | Kabushiki Kaisha Toshiba | Method of measuring non-coherent runout for a disk drive |
JP4764506B2 (ja) * | 2009-12-16 | 2011-09-07 | 株式会社東芝 | ディスク記憶装置及びサーボ制御方法 |
JP4703760B1 (ja) * | 2009-12-16 | 2011-06-15 | 株式会社東芝 | ディスク記憶装置及びサーボ制御方法 |
US8743491B2 (en) | 2012-04-05 | 2014-06-03 | International Business Machines Corporation | Variable stopwrite threshold |
US8857741B2 (en) | 2012-04-27 | 2014-10-14 | Conopco, Inc. | Topical spray composition and system for delivering the same |
US8743492B2 (en) | 2012-07-20 | 2014-06-03 | International Business Machines Corporation | Variable stopwrite threshold with variable smoothing factor |
US8810939B2 (en) | 2012-08-28 | 2014-08-19 | International Business Machines Corporation | Variable stopwrite threshold using kurtosis |
US8854762B2 (en) * | 2012-12-10 | 2014-10-07 | Lsi Corporation | Systems and methods for X-sample based data processor marginalization |
US8854763B2 (en) * | 2012-12-20 | 2014-10-07 | Lsi Corporation | Systems and methods for managed operational marginalization |
US8743503B1 (en) | 2013-03-11 | 2014-06-03 | Western Digital Technologies, Inc. | Disk drive updating compensation values for multiple servo sectors based on PES generated for current servo sector |
US8873187B1 (en) | 2013-05-10 | 2014-10-28 | Lsi Corporation | Systems and methods for data processor marginalization based upon bit error rate |
US8953271B1 (en) * | 2013-05-13 | 2015-02-10 | Western Digital Technologies, Inc. | Disk drive compensating for repeatable run out selectively per zone |
US9058115B1 (en) | 2013-12-09 | 2015-06-16 | Lsi Corporation | Systems and methods for multi-dimensional data processor operational marginalization |
US9508370B1 (en) * | 2016-05-26 | 2016-11-29 | Seagate Technology Llc | Repeated runout (RRO) compensation for alternating tracks in an interlaced magnetic recording system |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6097565A (en) * | 1996-01-31 | 2000-08-01 | International Business Machines Corporation | Repeatable runout free servo architecture in direct access storage device |
JP3355918B2 (ja) | 1996-04-10 | 2002-12-09 | 株式会社日立製作所 | 磁気ディスク装置 |
US5825578A (en) * | 1996-06-11 | 1998-10-20 | Seagate Technology, Inc. | Method and apparatus for compensating track position due to written-in runout error in a disc drive |
US6049440A (en) * | 1996-10-23 | 2000-04-11 | Samsung Electronics Co., Ltd. | Self written read/write track servo parameter for spindle RRO compensation |
JPH11120720A (ja) * | 1997-10-08 | 1999-04-30 | Nec Ibaraki Ltd | 磁気ディスク装置のヘッド位置決め制御方法および装置 |
US6141175A (en) * | 1997-10-08 | 2000-10-31 | Western Digital Corporation | Repeatable runout cancellation in sectored servo disk drive positioning system |
KR100501692B1 (ko) * | 1998-01-16 | 2005-10-07 | 삼성전자주식회사 | 반복성 런아웃 보상 알고리즘 사용방법 |
JPH11353831A (ja) * | 1998-06-10 | 1999-12-24 | Nec Ibaraki Ltd | 磁気ヘッド位置決め制御装置及びその制御方法並びにその制御プログラムを記録した記録媒体 |
CN1324482A (zh) * | 1998-09-14 | 2001-11-28 | 西加特技术有限责任公司 | 利用径向跳动补偿的虚拟数据磁道的同心间隔 |
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 |
US6549362B1 (en) * | 2000-06-09 | 2003-04-15 | Maxtor Corporation | Method and apparatus for the enhancement of embedded runout correction in a disk drive |
US6785073B2 (en) * | 2000-06-14 | 2004-08-31 | Seagate Technology Llc | Identification and cancellation of cage frequency in a hard disc drive |
US6654198B2 (en) * | 2000-08-23 | 2003-11-25 | Seagate Technology Llc | Repeatable run-out error compensation method for a disc drive |
US6545835B1 (en) * | 2000-08-31 | 2003-04-08 | Western Digital Technologies, Inc. | Method and apparatus for RRO learning before and after shipping to cancel RRO in a disk drive |
JP2002245738A (ja) * | 2001-02-15 | 2002-08-30 | Fujitsu Ltd | ディスク装置及び外乱補償方法 |
-
2001
- 2001-06-28 JP JP2001195693A patent/JP2003016747A/ja active Pending
- 2001-08-08 EP EP01119154A patent/EP1271475B1/en not_active Expired - Lifetime
- 2001-08-08 DE DE60130746T patent/DE60130746T2/de not_active Expired - Fee Related
- 2001-08-14 US US09/928,415 patent/US6898047B2/en not_active Expired - Fee Related
- 2001-08-18 KR KR10-2001-0049769A patent/KR100452080B1/ko not_active IP Right Cessation
- 2001-08-20 CN CNB011331984A patent/CN100431036C/zh not_active Expired - Fee Related
-
2004
- 2004-07-30 KR KR1020040060315A patent/KR100557375B1/ko not_active IP Right Cessation
-
2005
- 2005-05-16 US US11/129,283 patent/US20050201003A1/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1815617B (zh) * | 2005-02-04 | 2012-04-18 | 三星电子株式会社 | 伺服控制方法以及适于该方法的装置 |
Also Published As
Publication number | Publication date |
---|---|
KR100557375B1 (ko) | 2006-03-10 |
KR20040078611A (ko) | 2004-09-10 |
KR100452080B1 (ko) | 2004-10-12 |
CN100431036C (zh) | 2008-11-05 |
US20050201003A1 (en) | 2005-09-15 |
US20030002200A1 (en) | 2003-01-02 |
EP1271475A2 (en) | 2003-01-02 |
EP1271475B1 (en) | 2007-10-03 |
DE60130746D1 (de) | 2007-11-15 |
JP2003016747A (ja) | 2003-01-17 |
US6898047B2 (en) | 2005-05-24 |
EP1271475A3 (en) | 2003-03-12 |
DE60130746T2 (de) | 2008-06-05 |
KR20030002287A (ko) | 2003-01-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: HITACHI GLOBAL STORAGE TECHNOLOGIES JAPAN LIMITED Free format text: FORMER OWNER: HITACHI CO., LTD. Effective date: 20050812 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20050812 Address after: Kanagawa Applicant after: Japan Hitachi Global Storage Science and Technology Company Limited Address before: Tokyo, Japan, Japan Applicant before: Hitachi Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081105 Termination date: 20100820 |