CN1389855A - 磁盘装置和伺服写入方法 - Google Patents
磁盘装置和伺服写入方法 Download PDFInfo
- Publication number
- CN1389855A CN1389855A CN02105061A CN02105061A CN1389855A CN 1389855 A CN1389855 A CN 1389855A CN 02105061 A CN02105061 A CN 02105061A CN 02105061 A CN02105061 A CN 02105061A CN 1389855 A CN1389855 A CN 1389855A
- Authority
- CN
- China
- Prior art keywords
- disk
- mentioned
- signal
- write
- 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
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims description 10
- 230000008929 regeneration Effects 0.000 claims description 10
- 238000011069 regeneration method Methods 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 description 22
- 101000606504 Drosophila melanogaster Tyrosine-protein kinase-like otk Proteins 0.000 description 6
- 238000005202 decontamination Methods 0.000 description 5
- 230000003588 decontaminative effect Effects 0.000 description 5
- 206010038743 Restlessness Diseases 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 230000000644 propagated effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007519 figuring Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000001360 synchronised 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
- 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
- G11B5/59633—Servo formatting
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
Abstract
Description
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001170614A JP2002367308A (ja) | 2001-06-06 | 2001-06-06 | 磁気ディスク装置およびサーボライト方法 |
JP170614/2001 | 2001-06-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1389855A true CN1389855A (zh) | 2003-01-08 |
CN1217319C CN1217319C (zh) | 2005-08-31 |
Family
ID=19012505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN021050619A Expired - Fee Related CN1217319C (zh) | 2001-06-06 | 2002-02-19 | 伺服写入方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6999261B2 (zh) |
JP (1) | JP2002367308A (zh) |
KR (1) | KR100487831B1 (zh) |
CN (1) | CN1217319C (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7259928B2 (en) * | 2003-11-12 | 2007-08-21 | Hitachi Global Storage Technologies Netherlands, B.V. | System and method for writing servo track in sealed HDD |
US7072132B2 (en) * | 2003-11-12 | 2006-07-04 | Hitachi Global Storage Technologies Netherlands B.V. | System and method for writing servo track in sealed HDD |
JP2006085781A (ja) | 2004-09-14 | 2006-03-30 | Hitachi Global Storage Technologies Netherlands Bv | データ記憶装置のヘッド特性を測定する方法及びデータ記憶装置 |
JP2006085782A (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 |
US7619846B2 (en) * | 2006-05-19 | 2009-11-17 | Maxtor Corporation | Self-servo writing using staged patterning |
US7405897B2 (en) * | 2006-12-15 | 2008-07-29 | Hitachi Global Storage Technologies Netherlands | Single-pass self-servowriting method and system employing a low sector rate startup procedure |
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 |
US7586709B2 (en) * | 2007-09-28 | 2009-09-08 | Hitachi Global Storage Technologies Netherlands B.V. | Read write offset error correction using geometric reference in self servo write process |
JP2009151894A (ja) * | 2007-12-21 | 2009-07-09 | Fujitsu Ltd | 記憶装置およびヘッドアクチュエータのリトラクト機構 |
JP2013196745A (ja) * | 2012-03-22 | 2013-09-30 | Toshiba Corp | ディスク記憶装置及びサーボパターン書き込み方法 |
US8879194B2 (en) * | 2013-02-13 | 2014-11-04 | Kabushiki Kaisha Toshiba | Calibration of ramp location in a disk drive employing spiral-based self servo writing |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5184257A (en) * | 1985-12-16 | 1993-02-02 | Seiko Epson Corporation | Head positioning control for a spindle motor disk drive |
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 |
US6040955A (en) | 1992-06-11 | 2000-03-21 | International Business Machines Corporation | Self servo writing file |
US6437935B1 (en) | 1994-11-16 | 2002-08-20 | International Business Machines Corporation | Method and apparatus for a real and positional optimization of a storage disk data zone |
SG70001A1 (en) | 1994-12-02 | 2000-01-25 | Ibm | Radial self-propagation pattern generation for disk file servowriting |
US5612833A (en) | 1994-12-02 | 1997-03-18 | International Business Machines Corporation | Radial self-propagation pattern generation for disk file servowriting |
US6005725A (en) * | 1994-12-19 | 1999-12-21 | Mobile Storage Technology Inc. | Variable zone layout and track pitch parameter considerations for information storage disk drive |
KR100233662B1 (ko) * | 1996-07-29 | 1999-12-01 | 윤종용 | 자기기억장치의 리드신호 편차 보상방법 |
KR100241750B1 (ko) * | 1996-09-18 | 2000-02-01 | 윤종용 | 자기 디스크 기록장치에 있어서 서보라이트시 기록전류 최적화 방법 |
JPH1166776A (ja) | 1997-08-18 | 1999-03-09 | Fujitsu Ltd | ディスク装置、サーボトラックライトシステムおよびそのサーボトラックライト方法 |
JP4061753B2 (ja) * | 1998-02-18 | 2008-03-19 | ソニー株式会社 | 記録媒体ならびに記録再生装置および方法 |
JPH11259999A (ja) | 1998-03-06 | 1999-09-24 | Nec Ibaraki Ltd | 磁気ディスク装置およびその制御方法 |
US6344942B1 (en) * | 1998-07-16 | 2002-02-05 | International Business Machines Corporation | Method and apparatus for absolute track spacing determination for self-servowriting |
KR100312103B1 (ko) * | 1998-08-01 | 2002-01-15 | 윤종용 | 하드 디스크 드라이브 어셈블리에서 디스크상에 서보정보를 재기록하기 위한 방법 및 장치 |
JP3757098B2 (ja) * | 2000-06-01 | 2006-03-22 | 富士通株式会社 | ディスク装置及びディスク媒体 |
US6627254B1 (en) * | 2000-09-20 | 2003-09-30 | Seagate Technology Llc | Method of manufacturing a recording media with mechanically patterned landing zone |
-
2001
- 2001-06-06 JP JP2001170614A patent/JP2002367308A/ja active Pending
-
2002
- 2002-02-15 US US10/075,234 patent/US6999261B2/en not_active Expired - Fee Related
- 2002-02-16 KR KR10-2002-0008308A patent/KR100487831B1/ko not_active IP Right Cessation
- 2002-02-19 CN CN021050619A patent/CN1217319C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR100487831B1 (ko) | 2005-05-06 |
US20020186494A1 (en) | 2002-12-12 |
JP2002367308A (ja) | 2002-12-20 |
US6999261B2 (en) | 2006-02-14 |
KR20020095036A (ko) | 2002-12-20 |
CN1217319C (zh) | 2005-08-31 |
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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: 20031224 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20031224 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: 20050831 Termination date: 20130219 |