JP2007042183A5 - - Google Patents
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- Publication number
- JP2007042183A5 JP2007042183A5 JP2005223332A JP2005223332A JP2007042183A5 JP 2007042183 A5 JP2007042183 A5 JP 2007042183A5 JP 2005223332 A JP2005223332 A JP 2005223332A JP 2005223332 A JP2005223332 A JP 2005223332A JP 2007042183 A5 JP2007042183 A5 JP 2007042183A5
- Authority
- JP
- Japan
- Prior art keywords
- value
- clock frequency
- track
- patterns
- read
- 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
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005223332A JP4708112B2 (ja) | 2005-08-01 | 2005-08-01 | メディアにパターンを書き込む方法及びデータ記憶装置 |
| US11/494,684 US7532424B2 (en) | 2005-08-01 | 2006-07-26 | Method of writing pattern on media and data storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005223332A JP4708112B2 (ja) | 2005-08-01 | 2005-08-01 | メディアにパターンを書き込む方法及びデータ記憶装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2007042183A JP2007042183A (ja) | 2007-02-15 |
| JP2007042183A5 true JP2007042183A5 (https=) | 2008-09-11 |
| JP4708112B2 JP4708112B2 (ja) | 2011-06-22 |
Family
ID=37694023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005223332A Expired - Fee Related JP4708112B2 (ja) | 2005-08-01 | 2005-08-01 | メディアにパターンを書き込む方法及びデータ記憶装置 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US7532424B2 (https=) |
| JP (1) | JP4708112B2 (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4805678B2 (ja) * | 2006-01-04 | 2011-11-02 | 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 | 磁気ディスク装置 |
| JP2009223990A (ja) * | 2008-03-18 | 2009-10-01 | Fujitsu Ltd | 情報記録媒体および情報記憶装置 |
| JP2011123966A (ja) * | 2009-12-12 | 2011-06-23 | Hitachi Global Storage Technologies Netherlands Bv | ディスクへサーボ・ライト・トラックを書き込む方法及びディスク・ドライブ |
| US8498076B1 (en) | 2010-04-22 | 2013-07-30 | Western Digital Technologies, Inc. | Disk drive biasing timing recovery measurements for spiral tracks based on radial location of head |
| 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 |
| US8625229B2 (en) | 2012-06-10 | 2014-01-07 | HGST Netherlands B.V. | Servo control in a patterned-media magnetic recording disk drive using a reference table |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US561233A (en) * | 1896-06-02 | Wrought iron | ||
| US6252732B1 (en) * | 1994-12-01 | 2001-06-26 | International Business Machines Corporation | Method and apparatus for correcting systematic errors in timing pattern generation |
| TW280906B (https=) * | 1994-12-01 | 1996-07-11 | Ibm | |
| US6898035B1 (en) * | 1994-12-01 | 2005-05-24 | Hitachi Global Storage Technologies Netherlands B.V. | Method and apparatus for correcting for systematic errors in timing pattern generation |
| US6078450A (en) * | 1994-12-01 | 2000-06-20 | International Business Machines Corporation | Method and apparatus for correcting for random errors in timing pattern generation |
| US5612833A (en) | 1994-12-02 | 1997-03-18 | International Business Machines Corporation | Radial self-propagation pattern generation for disk file servowriting |
| US5790332A (en) * | 1995-11-07 | 1998-08-04 | Pc Peripherals Inc. | Method and apparatus for generating clock signals having count closure and deterministically optimized phase closure |
| US6633451B1 (en) * | 1999-04-28 | 2003-10-14 | Hitachi Global Storage Technologies Netherlands B.V. | Self-servo-writing timing pattern generation with non-overlapping read and write elements |
| US6600620B1 (en) * | 2000-03-31 | 2003-07-29 | Western Digital Technologies, Inc. | Self-servo writing a disk drive by propagating interleaved sets of timing clocks and servo bursts during alternate time intervals |
| US6429989B1 (en) * | 2000-06-13 | 2002-08-06 | International Business Machines Corporation | Method for self-servowriting timing propagation |
| KR100741239B1 (ko) * | 2000-10-24 | 2007-07-19 | 시게이트 테크놀로지 엘엘씨 | 디스크 드라이브 상의 자체-기록 서보 및 클럭 필드용 회로 |
| US6735031B2 (en) * | 2001-01-31 | 2004-05-11 | Hitachi Global Storage Technologies Netherlands B.V. | Method for storage of self-servowriting timing information |
| US7019926B2 (en) * | 2002-06-27 | 2006-03-28 | Hitachi Global Storage Technologies Netherlands B.V. | Self-servo-writing multi-slot timing pattern |
| 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 |
| JP2005078786A (ja) * | 2003-09-04 | 2005-03-24 | Hitachi Global Storage Technologies Inc | 磁気ディスク装置及びそのためのサーボパターン記録方法 |
| 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 |
| 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 |
-
2005
- 2005-08-01 JP JP2005223332A patent/JP4708112B2/ja not_active Expired - Fee Related
-
2006
- 2006-07-26 US US11/494,684 patent/US7532424B2/en not_active Expired - Fee Related
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