CN1404060A - 磁盘装置及其伺服信号记录方法 - Google Patents
磁盘装置及其伺服信号记录方法 Download PDFInfo
- Publication number
- CN1404060A CN1404060A CN02102387A CN02102387A CN1404060A CN 1404060 A CN1404060 A CN 1404060A CN 02102387 A CN02102387 A CN 02102387A CN 02102387 A CN02102387 A CN 02102387A CN 1404060 A CN1404060 A CN 1404060A
- Authority
- CN
- China
- Prior art keywords
- mentioned
- servo track
- disk
- servo
- particular range
- 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
- 238000000034 method Methods 0.000 title claims description 19
- 230000001172 regenerating effect Effects 0.000 claims description 20
- 238000012937 correction Methods 0.000 claims description 8
- 230000000052 comparative effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 abstract description 7
- 230000009471 action Effects 0.000 description 14
- 239000000523 sample Substances 0.000 description 12
- 238000013461 design Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000000452 restraining effect Effects 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
- 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
- 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
Abstract
Description
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001261487A JP3784678B2 (ja) | 2001-08-30 | 2001-08-30 | 磁気ディスク装置およびそのサーボ信号記録方法 |
JP261487/2001 | 2001-08-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1404060A true CN1404060A (zh) | 2003-03-19 |
CN100350490C CN100350490C (zh) | 2007-11-21 |
Family
ID=19088527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021023875A Expired - Fee Related CN100350490C (zh) | 2001-08-30 | 2002-01-25 | 伺服信号记录方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6906884B2 (zh) |
EP (1) | EP1288919B1 (zh) |
JP (1) | JP3784678B2 (zh) |
KR (1) | KR100483103B1 (zh) |
CN (1) | CN100350490C (zh) |
DE (1) | DE60235942D1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1296898C (zh) * | 2003-09-29 | 2007-01-24 | 株式会社东芝 | 为在盘驱动器中写入伺服信息确定轨道间距的方法和设备 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7133241B2 (en) * | 2005-04-11 | 2006-11-07 | Hitachi Global Storage Technologies Netherlands B.V. | Method and apparatus for optimizing record quality with varying track and linear density by allowing overlapping data tracks |
KR100723502B1 (ko) | 2005-09-09 | 2007-05-30 | 삼성전자주식회사 | 베이스 부재 및 이를 구비한 하드디스크 드라이브 |
US7440224B2 (en) * | 2006-01-23 | 2008-10-21 | Toshiba Corporation | Disk drive servo |
US7721049B2 (en) * | 2006-03-27 | 2010-05-18 | Kabuhsiki Kaisha Toshiba | Disk drive write method |
US20070279782A1 (en) * | 2006-05-31 | 2007-12-06 | Rydhan Abdul R | Method and apparatus for determining offset between read and write transducers in a disk drive |
US20070279790A1 (en) * | 2006-05-31 | 2007-12-06 | Tanner Brian K | Adjustable output voltage regulator for disk drive |
US20070279781A1 (en) * | 2006-05-31 | 2007-12-06 | Toshiba America Information Systems, Inc. | Channel training method and apparatus |
US7468859B2 (en) * | 2006-05-31 | 2008-12-23 | Kabushiki Kaisha Toshiba | Voice coil motor effective resistance determination |
US7453660B2 (en) * | 2006-05-31 | 2008-11-18 | Kabushiki Kaisha Toshiba | Shock feed forward adaptive filters |
US20070279788A1 (en) * | 2006-05-31 | 2007-12-06 | Toshiba America Information Systems, Inc. | Method and apparatus to perform defect scanning |
US7457066B2 (en) * | 2006-05-31 | 2008-11-25 | Kabushiki Kiasha Toshiba | Method and apparatus for phase-shift null-burst-pattern |
US7436616B2 (en) * | 2006-05-31 | 2008-10-14 | Toshiba Corporation | Current pulsing for unloading |
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 (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4414589A (en) * | 1981-12-14 | 1983-11-08 | Northern Telecom Inc. | Embedded servo track following system and method for writing servo tracks |
JPH05128766A (ja) * | 1991-10-30 | 1993-05-25 | Hitachi Electron Eng Co Ltd | 磁気デイスクのサーボ信号設定方式 |
DE69127086T2 (de) * | 1991-12-12 | 1998-02-12 | Ibm | Servosignalenaufzeichnungsmethode für Magnetplatteneinheit, und Magnetplatteneinheit |
US6040955A (en) * | 1992-06-11 | 2000-03-21 | International Business Machines Corporation | Self servo writing file |
US5485322A (en) | 1993-03-08 | 1996-01-16 | International Business Machines Corporation | Method and system for writing a clock track on a storage medium |
JP2624164B2 (ja) * | 1994-01-28 | 1997-06-25 | 日本電気株式会社 | サーボトラックライタ |
JPH08180615A (ja) * | 1994-12-28 | 1996-07-12 | Fujitsu Ltd | 磁気ディスク装置 |
JPH107344A (ja) * | 1996-06-25 | 1998-01-13 | Matsushita Electric Works Ltd | エレベータ装置 |
-
2001
- 2001-08-30 JP JP2001261487A patent/JP3784678B2/ja not_active Expired - Lifetime
-
2002
- 2002-01-24 EP EP02001126A patent/EP1288919B1/en not_active Expired - Lifetime
- 2002-01-24 DE DE60235942T patent/DE60235942D1/de not_active Expired - Lifetime
- 2002-01-25 CN CNB021023875A patent/CN100350490C/zh not_active Expired - Fee Related
- 2002-01-25 US US10/054,794 patent/US6906884B2/en not_active Expired - Fee Related
- 2002-01-25 KR KR10-2002-0004414A patent/KR100483103B1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1296898C (zh) * | 2003-09-29 | 2007-01-24 | 株式会社东芝 | 为在盘驱动器中写入伺服信息确定轨道间距的方法和设备 |
Also Published As
Publication number | Publication date |
---|---|
JP3784678B2 (ja) | 2006-06-14 |
KR20030019051A (ko) | 2003-03-06 |
EP1288919B1 (en) | 2010-04-14 |
JP2003068037A (ja) | 2003-03-07 |
US6906884B2 (en) | 2005-06-14 |
EP1288919A2 (en) | 2003-03-05 |
US20030043494A1 (en) | 2003-03-06 |
DE60235942D1 (de) | 2010-05-27 |
EP1288919A3 (en) | 2008-04-09 |
CN100350490C (zh) | 2007-11-21 |
KR100483103B1 (ko) | 2005-04-14 |
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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 LTD. Free format text: FORMER OWNER: HITACHI CO., LTD. Effective date: 20040106 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20040106 Address after: Kanagawa, Japan Applicant after: Hitachi Global Scinece Technology Jappan Co., Ltd. Address before: Tokyo, 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: 20071121 Termination date: 20140125 |