SG111295A1 - Method and apparatus for positioning a head in a disk drive with servo writing function - Google Patents
Method and apparatus for positioning a head in a disk drive with servo writing functionInfo
- Publication number
- SG111295A1 SG111295A1 SG200406501A SG200406501A SG111295A1 SG 111295 A1 SG111295 A1 SG 111295A1 SG 200406501 A SG200406501 A SG 200406501A SG 200406501 A SG200406501 A SG 200406501A SG 111295 A1 SG111295 A1 SG 111295A1
- Authority
- SG
- Singapore
- Prior art keywords
- positioning
- head
- disk drive
- writing function
- servo writing
- Prior art date
Links
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
- G11B5/59633—Servo formatting
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003371094A JP2005135530A (ja) | 2003-10-30 | 2003-10-30 | ヘッド位置決め制御システム、ディスク記憶装置及びサーボ書き込み方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
SG111295A1 true SG111295A1 (en) | 2005-05-30 |
Family
ID=34543928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG200406501A SG111295A1 (en) | 2003-10-30 | 2004-10-15 | Method and apparatus for positioning a head in a disk drive with servo writing function |
Country Status (4)
Country | Link |
---|---|
US (1) | US7061710B2 (zh) |
JP (1) | JP2005135530A (zh) |
CN (1) | CN100336127C (zh) |
SG (1) | SG111295A1 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4149989B2 (ja) * | 2004-11-09 | 2008-09-17 | 富士通株式会社 | ヘッド位置制御用補正テーブル作成方法、ヘッド位置制御方法およびディスク装置 |
US7193798B2 (en) * | 2005-01-12 | 2007-03-20 | Agere Systems, Inc. | Method and apparatus for encoding and decoding a runout correction bit pattern of servo field |
JP2008052807A (ja) * | 2006-08-23 | 2008-03-06 | Hitachi Global Storage Technologies Netherlands Bv | ディスクへパターンを書き込む方法、ディスク上のトラックをフォローイングする方法及びディスクへパターンを書き込む装置 |
US7787210B1 (en) * | 2009-03-17 | 2010-08-31 | Headway Technologies, Inc. | Feed-forward method for repeatable runout cancellation |
JP2016177854A (ja) | 2015-03-20 | 2016-10-06 | 株式会社東芝 | サーボライト制御装置、方法および磁気ディスク装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2735791B2 (ja) | 1993-08-26 | 1998-04-02 | インターナショナル・ビジネス・マシーンズ・コーポレイション | 直接アクセス記憶装置(dasd)内の回転式アクチュエータ弧補償訂正のための方法及び装置 |
US5585976A (en) | 1994-06-22 | 1996-12-17 | Seagate Technology, Inc. | Digital sector servo incorporating repeatable run out tracking |
US5612833A (en) | 1994-12-02 | 1997-03-18 | International Business Machines Corporation | Radial self-propagation pattern generation for disk file servowriting |
SG70001A1 (en) | 1994-12-02 | 2000-01-25 | Ibm | Radial self-propagation pattern generation for disk file servowriting |
US6411461B1 (en) | 1998-02-03 | 2002-06-25 | Seagate Technology Llc | Data collection system and method for zero acceleration path correction |
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 |
US6487035B1 (en) | 1999-01-15 | 2002-11-26 | Seagate Technology Llc | Method and apparatus for adaptive feedforward cancellation |
US6608731B2 (en) * | 2000-01-05 | 2003-08-19 | Seagate Technology Llc | Dynamic reduction of track shape errors in disc drives |
US6600621B1 (en) * | 2000-05-31 | 2003-07-29 | Hitachi Global Storage Technologies Netherlands B.V. | Techniques for multitrack positioning and controlling error growth in self-servowriting systems |
US7177106B2 (en) * | 2001-02-26 | 2007-02-13 | Matsushita Electric Industrial Co., Ltd. | Disk storage apparatus |
JP3595302B2 (ja) | 2001-12-20 | 2004-12-02 | 矢崎総業株式会社 | スイッチ装置 |
SG103906A1 (en) * | 2002-03-13 | 2004-05-26 | Toshiba Kk | Method and apparatus for head positioning control in a disk drive |
-
2003
- 2003-10-30 JP JP2003371094A patent/JP2005135530A/ja active Pending
-
2004
- 2004-10-15 SG SG200406501A patent/SG111295A1/en unknown
- 2004-10-29 CN CNB2004100897013A patent/CN100336127C/zh not_active Expired - Fee Related
- 2004-10-29 US US10/976,177 patent/US7061710B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20050094307A1 (en) | 2005-05-05 |
CN1614711A (zh) | 2005-05-11 |
CN100336127C (zh) | 2007-09-05 |
US7061710B2 (en) | 2006-06-13 |
JP2005135530A (ja) | 2005-05-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SG117547A1 (en) | Method and apparatus for servo writing in a disk drive | |
SG116603A1 (en) | Method and apparatus for degaussing write head in a disk drive. | |
SG108950A1 (en) | Method and apparatus for servo writing using incorporated servo writer in a disk drive | |
SG111196A1 (en) | Method and apparatus for writing servo data in a disk drive | |
SG116530A1 (en) | Method and apparatus for head positioning with disturbance compensation in a disk drive. | |
SG116606A1 (en) | Method and apparatus for head positioning control with disturbance compensation in a disk drive. | |
AU2001285098A1 (en) | Method and apparatus for writing data in a disk drive | |
GB0302637D0 (en) | System and method for recording writing performed on a surface | |
SG112102A1 (en) | Method and apparatus for data reproducing using iterative decoding in a disk drive | |
SG110138A1 (en) | Disk drive and magnetic head device for perpendicular magnetic recording | |
AU2003300342A1 (en) | Method and apparatus for injecting write data into a cache | |
GB0507912D0 (en) | Disk drive and method for protecting data writes in a disk drive | |
GB0318384D0 (en) | A storage controller and a method for recording diagnostic information | |
SG103922A1 (en) | Method and apparatus for performing self-servo writing in a disk drive | |
SG113001A1 (en) | Apparatus and method for controlling head unload operation in disk drive | |
HK1078834A1 (en) | Inkjet recording medium and a method for manufacturing thereof | |
SG109563A1 (en) | Method and apparatus for writing servo data with perpendicular magnetic recording in a disk drive | |
SG131835A1 (en) | Method and apparatus for servo control using spiral servo information in a disk drive | |
SG107151A1 (en) | Method and apparatus for data reproducing in a disk drive | |
SG113542A1 (en) | Method and apparatus for head positioning control in a disk drive | |
SG103928A1 (en) | Method and apparatus for recovering read errors in a disk drive | |
SG103906A1 (en) | Method and apparatus for head positioning control in a disk drive | |
SG122879A1 (en) | Method and apparatus for servo writing servo pattern examination in a disk drive | |
SG120245A1 (en) | Method and apparatus for magnetization test of write head in a disk drive | |
SG103844A1 (en) | Apparatus and method for head positioning control in disk drive |