SG115860A1 - Method and apparatus for writing servo data with perpendicular magnetic recording in a disk drive - Google Patents
Method and apparatus for writing servo data with perpendicular magnetic recording in a disk driveInfo
- Publication number
- SG115860A1 SG115860A1 SG200505908A SG200505908A SG115860A1 SG 115860 A1 SG115860 A1 SG 115860A1 SG 200505908 A SG200505908 A SG 200505908A SG 200505908 A SG200505908 A SG 200505908A SG 115860 A1 SG115860 A1 SG 115860A1
- Authority
- SG
- Singapore
- Prior art keywords
- disk drive
- magnetic recording
- perpendicular magnetic
- servo data
- writing servo
- 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 |
---|---|---|---|
JP2003306992A JP2005078702A (ja) | 2003-08-29 | 2003-08-29 | 垂直磁気記録方式のサーボライト方法及びディスクドライブ |
Publications (1)
Publication Number | Publication Date |
---|---|
SG115860A1 true SG115860A1 (en) | 2005-10-28 |
Family
ID=34385924
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG200505908A SG115860A1 (en) | 2003-08-29 | 2004-08-20 | Method and apparatus for writing servo data with perpendicular magnetic recording in a disk drive |
SG200404525A SG109563A1 (en) | 2003-08-29 | 2004-08-20 | Method and apparatus for writing servo data with perpendicular magnetic recording in a disk drive |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG200404525A SG109563A1 (en) | 2003-08-29 | 2004-08-20 | Method and apparatus for writing servo data with perpendicular magnetic recording in a disk drive |
Country Status (4)
Country | Link |
---|---|
US (2) | US7035036B2 (zh) |
JP (1) | JP2005078702A (zh) |
CN (1) | CN1276409C (zh) |
SG (2) | SG115860A1 (zh) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4331066B2 (ja) * | 2004-07-16 | 2009-09-16 | 株式会社東芝 | 磁気記録媒体、磁気記録装置、およびスタンパ |
JP4098784B2 (ja) * | 2005-02-03 | 2008-06-11 | 株式会社東芝 | 磁気記録媒体、磁気記録装置、スタンパおよびスタンパの製造方法 |
JP2006260713A (ja) * | 2005-03-18 | 2006-09-28 | Toshiba Corp | 記録媒体、記録再生装置及び記録再生方法 |
JP4542953B2 (ja) * | 2005-06-10 | 2010-09-15 | 株式会社東芝 | 磁気ディスク媒体および磁気記録再生装置 |
JP4533854B2 (ja) * | 2006-03-06 | 2010-09-01 | 株式会社東芝 | 磁気記録再生装置、磁気記録方法、及び磁気記録再生方法 |
JP2007273042A (ja) * | 2006-03-31 | 2007-10-18 | Toshiba Corp | 磁気記録媒体及び磁気記録再生装置 |
US7535667B2 (en) * | 2007-06-04 | 2009-05-19 | Samsung Electronics Co., Ltd. | Erase band compensated offset servo trimming |
JP2009009624A (ja) * | 2007-06-26 | 2009-01-15 | Hitachi Global Storage Technologies Netherlands Bv | サーボパターン形成方法および磁気ディスク装置 |
KR100924698B1 (ko) * | 2007-07-24 | 2009-11-03 | 삼성전자주식회사 | 자기기록장치 |
US7688538B1 (en) | 2007-11-16 | 2010-03-30 | Western Digital Technologies, Inc. | Disk drive comprising a disk surface having track addresses of varying width |
KR20090059848A (ko) * | 2007-12-07 | 2009-06-11 | 삼성전자주식회사 | 패턴 자기기록매체 및 패턴 자기기록매체에 트랙 정보를기록하는 방법 |
JP5381081B2 (ja) * | 2008-12-22 | 2014-01-08 | 富士通株式会社 | 磁気記録媒体、磁気記憶装置および磁気記録媒体の製造方法 |
JP2012014758A (ja) * | 2010-06-29 | 2012-01-19 | Hitachi Ltd | 磁気記録媒体及びそれを備えた磁気ディスク装置 |
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 (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3251804B2 (ja) * | 1995-03-17 | 2002-01-28 | 株式会社東芝 | ディスク記録再生装置及びそのセルフサーボライト方法 |
US5828513A (en) * | 1995-12-07 | 1998-10-27 | International Business Machines Corporation | Servo address apparatus and positioning methods for read, write and seek operations in a direct access storage device |
US5757574A (en) * | 1996-05-29 | 1998-05-26 | International Business Machines Corporation | Methods and systems for self-servowriting including maintaining a reference level within a usable dynamic range |
US6023389A (en) * | 1997-06-18 | 2000-02-08 | International Business Machines Corporation | Method and apparatus for writing servo bursts with compensation for erase bands in a direct access storage device |
JP2001319302A (ja) * | 2000-05-12 | 2001-11-16 | Fujitsu Ltd | 情報記録装置 |
JP2003045133A (ja) * | 2001-07-30 | 2003-02-14 | Toshiba Corp | 垂直磁気記録方式のサーボライト方法及び磁気ディスク装置 |
-
2003
- 2003-08-29 JP JP2003306992A patent/JP2005078702A/ja active Pending
-
2004
- 2004-08-20 SG SG200505908A patent/SG115860A1/en unknown
- 2004-08-20 SG SG200404525A patent/SG109563A1/en unknown
- 2004-08-26 US US10/926,393 patent/US7035036B2/en not_active Expired - Fee Related
- 2004-08-27 CN CN200410057972.0A patent/CN1276409C/zh not_active Expired - Fee Related
-
2005
- 2005-12-06 US US11/294,358 patent/US20060082921A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20050073771A1 (en) | 2005-04-07 |
US7035036B2 (en) | 2006-04-25 |
US20060082921A1 (en) | 2006-04-20 |
CN1591577A (zh) | 2005-03-09 |
SG109563A1 (en) | 2005-03-30 |
JP2005078702A (ja) | 2005-03-24 |
CN1276409C (zh) | 2006-09-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SG112102A1 (en) | Method and apparatus for data reproducing using iterative decoding in a disk drive | |
SG111196A1 (en) | Method and apparatus for writing servo data in a disk drive | |
SG117547A1 (en) | Method and apparatus for servo writing in a disk drive | |
AU2001285098A1 (en) | Method and apparatus for writing data in a disk drive | |
EP1789958A4 (en) | METHOD AND DEVICE FOR REPRODUCING DATA RECORDED IN A RECORDING MEDIUM USING A LOCAL STORAGE | |
SG115792A1 (en) | Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus | |
AU2002326935A1 (en) | Write head and method for recording information on a data storage medium | |
SG110165A1 (en) | Magnetic transducer for perpendicular magnetic recording with separate read and write heads | |
SG110138A1 (en) | Disk drive and magnetic head device for perpendicular magnetic recording | |
AU2003272126A8 (en) | Method for reproducing data recorded on an interactive recording medium in conjunction with associated auxiliary data | |
SG115860A1 (en) | Method and apparatus for writing servo data with perpendicular magnetic recording in a disk drive | |
SG108950A1 (en) | Method and apparatus for servo writing using incorporated servo writer in a disk drive | |
HK1099401A1 (en) | Method and apparatus for reproducing information recorded on an information storage medium | |
SG136122A1 (en) | Information storage medium and method and apparatus for recording/reproducing data on/from the same | |
HK1101251A1 (en) | Information storage medium and method and apparatus for recording/reproducing data on/from the same | |
SG116603A1 (en) | Method and apparatus for degaussing write head in a disk drive. | |
SG103922A1 (en) | Method and apparatus for performing self-servo writing in a disk drive | |
TWI368901B (en) | Recording medium having a data structure for managing graphic information and recording and reproducing and method and apparatuses | |
HK1086935A1 (en) | Information storage medium and method and apparatus for recording/reproducing data | |
SG107151A1 (en) | Method and apparatus for data reproducing in a disk drive | |
PL1916655T3 (pl) | Nośnik pamięci informacji oraz sposób i urządzenie do zapisywania i/lub odtwarzania danych | |
SG131835A1 (en) | Method and apparatus for servo control using spiral servo information in a disk drive | |
SG110082A1 (en) | Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus | |
SG120245A1 (en) | Method and apparatus for magnetization test of write head in a disk drive | |
SG103928A1 (en) | Method and apparatus for recovering read errors in a disk drive |