SG100694A1 - Creating an initial set of tracks in a self-servowriting system using a compliant crashstop to control head movement - Google Patents
Creating an initial set of tracks in a self-servowriting system using a compliant crashstop to control head movementInfo
- Publication number
- SG100694A1 SG100694A1 SG200102774A SG200102774A SG100694A1 SG 100694 A1 SG100694 A1 SG 100694A1 SG 200102774 A SG200102774 A SG 200102774A SG 200102774 A SG200102774 A SG 200102774A SG 100694 A1 SG100694 A1 SG 100694A1
- Authority
- SG
- Singapore
- Prior art keywords
- crashstop
- compliant
- tracks
- creating
- self
- 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
-
- 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
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/584,302 US6603627B1 (en) | 2000-05-31 | 2000-05-31 | Creating an initial set of tracks in a self-servowriting system using a compliant crashstop to control head movement |
Publications (1)
Publication Number | Publication Date |
---|---|
SG100694A1 true SG100694A1 (en) | 2003-12-26 |
Family
ID=24336758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG200102774A SG100694A1 (en) | 2000-05-31 | 2001-05-10 | Creating an initial set of tracks in a self-servowriting system using a compliant crashstop to control head movement |
Country Status (6)
Country | Link |
---|---|
US (1) | US6603627B1 (ja) |
JP (1) | JP3705752B2 (ja) |
KR (1) | KR100452002B1 (ja) |
CN (1) | CN100367392C (ja) |
MY (1) | MY126141A (ja) |
SG (1) | SG100694A1 (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SG96277A1 (en) * | 2001-03-23 | 2003-05-23 | Toshiba Kk | Magnetic disk drive apparatus having a self-servo writing system and method for writing servo pattern therein |
JP2004146002A (ja) | 2002-10-25 | 2004-05-20 | Hitachi Global Storage Technologies Netherlands Bv | ディスクドライブ装置、およびアクチュエータ |
JP4015538B2 (ja) * | 2002-11-28 | 2007-11-28 | ヒタチグローバルストレージテクノロジーズネザーランドビーブイ | ハードディスク装置、ハードディスク装置の最適化方法、製造方法、およびプログラム |
JP2004185682A (ja) | 2002-11-29 | 2004-07-02 | Hitachi Global Storage Technologies Netherlands Bv | サーボ情報の書き込み方法、サーボ制御方法、データ記憶装置、プログラム |
AU2003300461A1 (en) * | 2003-02-14 | 2004-09-09 | Bill Richard Baker | Compound phase encoding for printed servo patterns |
WO2004091290A1 (en) * | 2003-04-16 | 2004-10-28 | Chang-Min Seo | Bathing apparatus for pet animal |
US7164552B2 (en) * | 2003-09-29 | 2007-01-16 | Hitachi Global Storage Technologies Netherlands B.V. | Method for self-servo writing a disk drive with dual-stage actuator |
US7242546B2 (en) * | 2003-10-13 | 2007-07-10 | Seagate Technology Llc | Determining a location based on a cyclic bit sequence containing consecutively-placed identical bit-groups |
US7397623B2 (en) * | 2003-10-14 | 2008-07-08 | Seagate Technology Llc | Using a mechanical stop for determining an operating parameter of a data handling device |
JP2006085780A (ja) * | 2004-09-14 | 2006-03-30 | Hitachi Global Storage Technologies Netherlands Bv | 記録ディスクにパターンを書き込む方法及びデータ記憶装置 |
KR100585164B1 (ko) * | 2004-11-30 | 2006-06-01 | 삼성전자주식회사 | 레퍼런스 서보 트랙 카피 시스템에서의 트랙 제로 위치보정 방법 및 이를 이용한 디스크 드라이브 |
US7633706B2 (en) * | 2005-09-30 | 2009-12-15 | Seagate Technology Llc | Servowriter contact torque control |
US7304818B2 (en) * | 2005-10-07 | 2007-12-04 | Seagate Technology Llc | Preconditioning an elastomeric stop member for use as a reference position |
US7471482B2 (en) * | 2006-02-20 | 2008-12-30 | Marvell World Trade Ltd. | Method for improved insitu spiral writing |
JP2012160228A (ja) * | 2011-01-31 | 2012-08-23 | Toshiba Corp | 初期クロックパターン書き込み方法及び磁気ディスク装置 |
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 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5875064A (en) * | 1996-07-09 | 1999-02-23 | International Business Machines Corporation | Method and system for accurate self-servowriting with normalization in a disk drive |
US6005738A (en) * | 1996-05-29 | 1999-12-21 | International Business Machines Corp. | Methods and systems for self-servo-writing including writing positioning and timing bursts at different track pitches |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04307478A (ja) * | 1991-04-03 | 1992-10-29 | Nec Corp | 記録ディスク装置 |
US6040955A (en) * | 1992-06-11 | 2000-03-21 | International Business Machines Corporation | Self servo writing file |
JPH06139731A (ja) * | 1992-10-27 | 1994-05-20 | Fujitsu Ltd | ディスク装置のヘッド位置補正方法 |
US5485323A (en) * | 1993-07-14 | 1996-01-16 | International Business Machines Corporation | Method and apparatus for moving a disk drive actuator away from a magnetic latch |
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 |
US5771130A (en) * | 1996-04-15 | 1998-06-23 | Phase Metrics | Method and apparatus for non-contact servo writing |
KR100403044B1 (ko) * | 1996-05-28 | 2004-01-31 | 삼성전자주식회사 | 하드디스크드라이브의액츄에이터언래칭방법 |
US5926336A (en) * | 1996-09-13 | 1999-07-20 | Samsung Electronics Co., Ltd. | Method and apparatus for rewriting servo information on a disk in a hard disk assembly |
US6392831B1 (en) * | 1998-04-16 | 2002-05-21 | Seagate Technology Llc | Identification of defective servo information elements in a disc drive system |
US6191911B1 (en) * | 1998-06-12 | 2001-02-20 | The Hong Kong University Of Science And Technology | Positioning apparatus for hard disk servowriter |
US6344942B1 (en) * | 1998-07-16 | 2002-02-05 | International Business Machines Corporation | Method and apparatus for absolute track spacing determination for self-servowriting |
US6480361B1 (en) * | 1999-05-07 | 2002-11-12 | Seagate Technologies Llc | Movable load ramps and crash stop for a disc drive |
-
2000
- 2000-05-31 US US09/584,302 patent/US6603627B1/en not_active Expired - Lifetime
-
2001
- 2001-05-10 SG SG200102774A patent/SG100694A1/en unknown
- 2001-05-18 KR KR10-2001-0027263A patent/KR100452002B1/ko not_active IP Right Cessation
- 2001-05-23 MY MYPI20012440A patent/MY126141A/en unknown
- 2001-05-29 CN CNB011208260A patent/CN100367392C/zh not_active Expired - Fee Related
- 2001-05-30 JP JP2001162189A patent/JP3705752B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6005738A (en) * | 1996-05-29 | 1999-12-21 | International Business Machines Corp. | Methods and systems for self-servo-writing including writing positioning and timing bursts at different track pitches |
US6031680A (en) * | 1996-05-29 | 2000-02-29 | International Business Machines Corporation | Methods and systems for self-servowriting including maintaining a reference level within a usable dynamic range |
US5875064A (en) * | 1996-07-09 | 1999-02-23 | International Business Machines Corporation | Method and system for accurate self-servowriting with normalization in a disk drive |
Also Published As
Publication number | Publication date |
---|---|
CN1327235A (zh) | 2001-12-19 |
KR20010109099A (ko) | 2001-12-08 |
JP2002008331A (ja) | 2002-01-11 |
JP3705752B2 (ja) | 2005-10-12 |
MY126141A (en) | 2006-09-29 |
CN100367392C (zh) | 2008-02-06 |
US6603627B1 (en) | 2003-08-05 |
KR100452002B1 (ko) | 2004-10-08 |
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