JP2010049787A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2010049787A5 JP2010049787A5 JP2009188211A JP2009188211A JP2010049787A5 JP 2010049787 A5 JP2010049787 A5 JP 2010049787A5 JP 2009188211 A JP2009188211 A JP 2009188211A JP 2009188211 A JP2009188211 A JP 2009188211A JP 2010049787 A5 JP2010049787 A5 JP 2010049787A5
- Authority
- JP
- Japan
- Prior art keywords
- data array
- write
- magnetic storage
- magnetization
- 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
- 230000005415 magnetization Effects 0.000 claims 16
- 238000000034 method Methods 0.000 claims 12
- 238000012986 modification Methods 0.000 claims 3
- 230000004048 modification Effects 0.000 claims 3
- 239000000758 substrate Substances 0.000 claims 1
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/194,264 | 2008-08-19 | ||
| US12/194,264 US7974036B2 (en) | 2008-08-19 | 2008-08-19 | Time-shifted bits for write synchronization correction |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2010049787A JP2010049787A (ja) | 2010-03-04 |
| JP2010049787A5 true JP2010049787A5 (enExample) | 2012-09-27 |
| JP5649806B2 JP5649806B2 (ja) | 2015-01-07 |
Family
ID=41696154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009188211A Expired - Fee Related JP5649806B2 (ja) | 2008-08-19 | 2009-08-17 | 書込み同期化修正のための時間シフト・ビット |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7974036B2 (enExample) |
| JP (1) | JP5649806B2 (enExample) |
| CN (1) | CN101656080B (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4983268B2 (ja) * | 2007-01-16 | 2012-07-25 | Tdk株式会社 | 磁気記録媒体、磁気記録再生装置及び磁気記録媒体の製造方法 |
| JP2012009115A (ja) * | 2010-06-28 | 2012-01-12 | Sharp Corp | 磁気記録再生装置及び磁気記録媒体 |
| US8848314B2 (en) | 2011-12-07 | 2014-09-30 | HGST Netherlands B.V. | Write head designed for adjusting relative write phase between subtracks of a patterned media hypertrack |
| US11119662B2 (en) | 2018-06-29 | 2021-09-14 | International Business Machines Corporation | Determining when to perform a data integrity check of copies of a data set using a machine learning module |
| US11099743B2 (en) | 2018-06-29 | 2021-08-24 | International Business Machines Corporation | Determining when to replace a storage device using a machine learning module |
| US11119850B2 (en) | 2018-06-29 | 2021-09-14 | International Business Machines Corporation | Determining when to perform error checking of a storage unit by using a machine learning module |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5987610A (ja) | 1982-11-10 | 1984-05-21 | Fujitsu Ltd | 書込デ−タのプリシフト回路 |
| JPS61144781A (ja) | 1984-12-18 | 1986-07-02 | Toshiba Corp | デイスク装置 |
| US4669003A (en) | 1986-05-02 | 1987-05-26 | Hewlett-Packard Company | Method and apparatus for eliminating apparent offset in the servo code in a magnetic disc drive |
| US5258876A (en) | 1991-09-16 | 1993-11-02 | Seagate Technology, Inc. | Zone bit recording with write compensation |
| JP3135447B2 (ja) | 1994-01-27 | 2001-02-13 | 富士通株式会社 | 磁気ディスクドライブの制御方法及びその装置 |
| JP3125699B2 (ja) | 1996-12-25 | 2001-01-22 | 日本電気株式会社 | データ同期回路 |
| JP3189774B2 (ja) | 1998-01-28 | 2001-07-16 | 日本電気株式会社 | ビット同期回路 |
| JP3986209B2 (ja) | 1998-06-18 | 2007-10-03 | 三菱電機株式会社 | ビットタイミング同期装置およびその方法 |
| US6738207B1 (en) * | 1999-08-18 | 2004-05-18 | Seagate Technology Llc | Method for synchronizing the write current for magnetic recording with the bit islands on discrete bit patterned media |
| JP3576056B2 (ja) * | 1999-12-28 | 2004-10-13 | 株式会社東芝 | 記録媒体の製造方法および記録媒体 |
| JP4185228B2 (ja) * | 2000-01-21 | 2008-11-26 | Tdk株式会社 | 磁気記録媒体および磁気記録再生方法 |
| JP2001243601A (ja) * | 2000-02-29 | 2001-09-07 | Tdk Corp | 磁気記録方法 |
| JP4348851B2 (ja) | 2000-09-21 | 2009-10-21 | ソニー株式会社 | 記録媒体、ディスク記録装置および方法、並びにディスク再生装置及び方法 |
| US7153597B2 (en) * | 2001-03-15 | 2006-12-26 | Seagate Technology Llc | Magnetic recording media having chemically modified patterned substrate to assemble self organized magnetic arrays |
| JP3749856B2 (ja) * | 2001-11-14 | 2006-03-01 | 株式会社東芝 | 記録装置 |
| JP2003157507A (ja) * | 2001-11-16 | 2003-05-30 | Fuji Electric Co Ltd | 磁気記録媒体、ディスク状磁気記録媒体の記録再生方法、記録装置 |
| JP2006099932A (ja) * | 2004-09-03 | 2006-04-13 | Tdk Corp | 磁気記録媒体、磁気記録再生装置及び磁気記録媒体製造用スタンパ |
| JP4912584B2 (ja) * | 2004-12-03 | 2012-04-11 | 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 | 情報記録装置及び情報記録装置の制御方法 |
| JP2007164890A (ja) | 2005-12-13 | 2007-06-28 | Fujitsu Ltd | 磁気記憶装置及び磁気ヘッド位置補正方法 |
-
2008
- 2008-08-19 US US12/194,264 patent/US7974036B2/en not_active Expired - Fee Related
-
2009
- 2009-08-17 JP JP2009188211A patent/JP5649806B2/ja not_active Expired - Fee Related
- 2009-08-19 CN CN200910170413.3A patent/CN101656080B/zh not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5023204B2 (ja) | 磁気記録装置 | |
| US8300341B2 (en) | Magnetic recording device, magnetic recording method, and magnetic storage medium | |
| US8643970B2 (en) | Magnetic recording apparatus and recording method of magnetic recording apparatus | |
| US9336829B2 (en) | Data recording medium, method for generating a reference clock signal, and data storage device | |
| US8848310B2 (en) | Offset correction values on a data storage media | |
| US7643234B2 (en) | Servo patterns for self-assembled island arrays | |
| US9508362B2 (en) | Write management for interlaced magnetic recording devices | |
| US6620532B2 (en) | Magnetic recording medium and magnetic write/read method | |
| JP5859221B2 (ja) | データ処理でのシーケンス検出のシステムおよび方法 | |
| US9214186B1 (en) | Data storage device measuring radial offset between read element and write element | |
| US8786972B2 (en) | Magnetic recording disk drive with method for recovery of data from failed data sectors | |
| US20090237829A1 (en) | Information recording medium | |
| CN110232935A (zh) | 磁盘装置及其记录方法 | |
| JP5649806B2 (ja) | 書込み同期化修正のための時間シフト・ビット | |
| US9355667B1 (en) | Data storage device saving absolute position at each servo wedge for previous write operations | |
| Chan et al. | A system level study of two-dimensional magnetic recording (TDMR) | |
| US8130458B2 (en) | BPM recording with more than one dot per bit | |
| JP5581285B2 (ja) | 磁気記録再生装置及び磁気記録媒体 | |
| US9025267B1 (en) | Data storage device using branch metric from adjacent track to compensate for inter-track interference | |
| CN1519845A (zh) | 纠错方法、纠错电路及信息记录再生装置 | |
| US20060152837A1 (en) | Method of forming servo data of HDD and self servo write method using the same | |
| US8730604B2 (en) | Writing a reference pattern to bit patterned media | |
| JP4978496B2 (ja) | 磁気ディスクおよび磁気ディスク装置 | |
| US9495987B1 (en) | Noise mitigation for write precompensation tuning | |
| Aruga | Off-Track Capability Simulation of Shingled Magnetic Recording Under Mechanical Track Misregistration |