TW201333937A - 具有回應於偵測到的磁軌間干擾之磁頭位置控制的基於磁碟之儲存裝置 - Google Patents
具有回應於偵測到的磁軌間干擾之磁頭位置控制的基於磁碟之儲存裝置 Download PDFInfo
- Publication number
- TW201333937A TW201333937A TW101136382A TW101136382A TW201333937A TW 201333937 A TW201333937 A TW 201333937A TW 101136382 A TW101136382 A TW 101136382A TW 101136382 A TW101136382 A TW 101136382A TW 201333937 A TW201333937 A TW 201333937A
- Authority
- TW
- Taiwan
- Prior art keywords
- read
- head
- track
- servo
- write head
- Prior art date
Links
- 238000003860 storage Methods 0.000 title claims abstract description 153
- 238000000034 method Methods 0.000 claims abstract description 22
- 230000008569 process Effects 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims description 20
- 230000004044 response Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 230000002452 interceptive effect Effects 0.000 claims 1
- 239000011295 pitch Substances 0.000 description 12
- 238000012546 transfer Methods 0.000 description 12
- 239000002131 composite material Substances 0.000 description 9
- 238000011084 recovery Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- G11B5/56—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 support for the purpose of adjusting the position of the head relative to the record carrier, e.g. manual adjustment for azimuth correction or track centering
-
- 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
- G11B5/59627—Aligning for runout, eccentricity or offset compensation
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
- G11B19/041—Detection or prevention of read or write errors
- G11B19/045—Detection or prevention of read or write errors by detecting mistracking
-
- 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
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
- Digital Magnetic Recording (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/368,508 US8773806B2 (en) | 2012-02-08 | 2012-02-08 | Disk-based storage device with head position control responsive to detected inter-track interference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW201333937A true TW201333937A (zh) | 2013-08-16 |
Family
ID=47832890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW101136382A TW201333937A (zh) | 2012-02-08 | 2012-10-02 | 具有回應於偵測到的磁軌間干擾之磁頭位置控制的基於磁碟之儲存裝置 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8773806B2 (enExample) |
| EP (1) | EP2626858A1 (enExample) |
| JP (1) | JP2013161515A (enExample) |
| KR (1) | KR20130091623A (enExample) |
| CN (1) | CN103247313B (enExample) |
| TW (1) | TW201333937A (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8773806B2 (en) | 2012-02-08 | 2014-07-08 | Lsi Corporation | Disk-based storage device with head position control responsive to detected inter-track interference |
| JP5793474B2 (ja) * | 2012-07-26 | 2015-10-14 | 株式会社東芝 | 記録再生装置および記録再生方法 |
| US8902534B2 (en) * | 2012-08-03 | 2014-12-02 | HGST Netherlands B.V. | Implementing track following using data characteristics for positional information |
| US8773789B1 (en) * | 2013-02-14 | 2014-07-08 | Lsi Corporation | In-channel channel optimization for hard-disc drive read/write chips |
| US9001442B2 (en) * | 2013-03-15 | 2015-04-07 | Seagate Technology Llc | Detection of adjacent track interference using size-adjustable sliding window |
| WO2015048677A1 (en) * | 2013-09-30 | 2015-04-02 | Marvell World Trade Ltd. | Generating position error signal based on data tracks for magnetic data storage |
| JP2015204123A (ja) | 2014-04-15 | 2015-11-16 | 株式会社東芝 | 磁気ディスク装置及びデータ記録方法 |
| US10008229B2 (en) * | 2016-01-05 | 2018-06-26 | Western Digital Technologies, Inc | Implementing enhanced track following during read back using head asymmetry metrics in hard disk drives |
| CN114242118B (zh) * | 2020-09-09 | 2025-08-22 | 马维尔亚洲私人有限公司 | 用于存储装置的双表面自伺服写入 |
| CN115713960B (zh) * | 2022-11-09 | 2025-12-16 | 超聚变数字技术有限公司 | 硬盘检测方法和计算设备 |
Family Cites Families (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60201556A (ja) * | 1984-03-22 | 1985-10-12 | Toshiba Corp | トラツキング装置 |
| JPS63217556A (ja) * | 1987-03-06 | 1988-09-09 | Pioneer Electronic Corp | 回転ヘツド式デジタルオーデイオ再生装置 |
| US5041926A (en) | 1989-11-13 | 1991-08-20 | Hewlett-Packard Company | Track position syncopation cancellation in a disk drive |
| US5398140A (en) | 1991-08-06 | 1995-03-14 | R-Byte, Inc. | Digital data tape storage automatic track follower system |
| JPH05174456A (ja) * | 1991-12-20 | 1993-07-13 | Sony Corp | 記録再生装置 |
| US6411452B1 (en) | 1997-03-11 | 2002-06-25 | Western Digital Technologies, Inc. | Disk drive employing read error tolerant sync mark detection |
| US6115198A (en) * | 1997-10-29 | 2000-09-05 | Cirrus Logic, Inc. | PR4 sampled amplitude read channel for detecting user data and embedded servo data |
| US6839193B2 (en) * | 2001-08-06 | 2005-01-04 | Seagate Technology Llc | Method and apparatus for determining read-to-write head offset of a disk drive |
| US7126890B2 (en) * | 2002-08-26 | 2006-10-24 | Bae Systems Information And Electronic Systems Integration Inc | Multitrack readback and multiuser detection for disk drives |
| US6826140B2 (en) * | 2002-08-26 | 2004-11-30 | Bae Systems Information And Electronic Systems Integration Inc | Multichannel digital recording system with multi-user detection |
| US7116514B2 (en) | 2003-10-20 | 2006-10-03 | Quantum Corporation | Methods and systems for magnetic recording |
| US7068459B1 (en) * | 2004-09-20 | 2006-06-27 | Western Digital Technologies, Inc. | Adjusting track density by changing PES algorithm when servo writing a disk drive from spiral tracks |
| JP2007048335A (ja) | 2005-08-05 | 2007-02-22 | Hitachi Global Storage Technologies Netherlands Bv | ディスク装置 |
| JP2008027499A (ja) | 2006-07-19 | 2008-02-07 | Lenovo Singapore Pte Ltd | 磁気記録装置、磁気記録方法、および磁気記録用プログラム |
| JP4745172B2 (ja) | 2006-08-29 | 2011-08-10 | 東芝ストレージデバイス株式会社 | 制御装置および記憶装置 |
| US7567397B2 (en) | 2006-09-11 | 2009-07-28 | Hitachi Global Storage Technologies Netherlands B.V. | Adjacent Track Interference (ATI) identification methodology |
| JP4331202B2 (ja) * | 2006-12-25 | 2009-09-16 | 株式会社東芝 | 再生装置及び再生方法 |
| US7760455B2 (en) | 2007-04-19 | 2010-07-20 | Samsung Electronics Co., Ltd. | Method and apparatus improving prevention of off-track writing in a hard disk drive |
| JP4896222B2 (ja) * | 2007-06-29 | 2012-03-14 | パナソニック株式会社 | 光ディスク記録再生装置 |
| JP4908635B2 (ja) | 2007-08-20 | 2012-04-04 | アギア システムズ インコーポレーテッド | 消費電力が低減されるデータ記憶ドライブ |
| CN101436410A (zh) | 2007-11-12 | 2009-05-20 | 深圳易拓科技有限公司 | 消除硬盘驱动器不规则磁轨形成的干扰的方法 |
| US7639447B1 (en) * | 2008-02-18 | 2009-12-29 | Western Digital Technologies, Inc. | Servo track squeeze compensation in a disk drive |
| US7948708B2 (en) * | 2009-03-23 | 2011-05-24 | Carnegie Mellon University | Simultaneous bit pattern determination and head positional information detection on patterned media |
| US8049982B1 (en) | 2010-07-30 | 2011-11-01 | Lsi Corporation | Methods and apparatus for measuring servo address mark distance in a read channel using selective fine phase estimate |
| US8681439B2 (en) * | 2010-09-13 | 2014-03-25 | Lsi Corporation | Systems and methods for handling sector gaps in inter-track interference compensation |
| US8773806B2 (en) | 2012-02-08 | 2014-07-08 | Lsi Corporation | Disk-based storage device with head position control responsive to detected inter-track interference |
-
2012
- 2012-02-08 US US13/368,508 patent/US8773806B2/en active Active
- 2012-10-02 TW TW101136382A patent/TW201333937A/zh unknown
- 2012-10-30 CN CN201210422992.8A patent/CN103247313B/zh active Active
- 2012-11-07 KR KR1020120125139A patent/KR20130091623A/ko not_active Withdrawn
- 2012-11-15 JP JP2012250784A patent/JP2013161515A/ja not_active Withdrawn
-
2013
- 2013-02-07 EP EP13154452.0A patent/EP2626858A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013161515A (ja) | 2013-08-19 |
| US20130201579A1 (en) | 2013-08-08 |
| CN103247313B (zh) | 2016-08-03 |
| US8773806B2 (en) | 2014-07-08 |
| CN103247313A (zh) | 2013-08-14 |
| EP2626858A1 (en) | 2013-08-14 |
| KR20130091623A (ko) | 2013-08-19 |
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