WO2006092836A1 - 記憶装置のトラックピッチ検査方法、プログラム及び記憶装置 - Google Patents
記憶装置のトラックピッチ検査方法、プログラム及び記憶装置 Download PDFInfo
- Publication number
- WO2006092836A1 WO2006092836A1 PCT/JP2005/003306 JP2005003306W WO2006092836A1 WO 2006092836 A1 WO2006092836 A1 WO 2006092836A1 JP 2005003306 W JP2005003306 W JP 2005003306W WO 2006092836 A1 WO2006092836 A1 WO 2006092836A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- track
- trajectory
- target position
- track pitch
- target
- Prior art date
Links
- 238000007689 inspection Methods 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims description 77
- 238000001514 detection method Methods 0.000 claims abstract description 123
- 230000002159 abnormal effect Effects 0.000 claims description 68
- 230000005856 abnormality Effects 0.000 claims description 21
- 230000001360 synchronised effect Effects 0.000 claims description 19
- 238000012360 testing method Methods 0.000 claims description 18
- 238000012935 Averaging Methods 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 2
- 239000000284 extract Substances 0.000 claims 3
- 230000008859 change Effects 0.000 abstract description 2
- 239000011295 pitch Substances 0.000 description 141
- 230000008569 process Effects 0.000 description 48
- 238000012545 processing Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 16
- 101100167360 Drosophila melanogaster chb gene Proteins 0.000 description 8
- 238000005259 measurement Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001788 irregular Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
- G11B5/54—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 into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
- G11B5/5552—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means
- G11B5/5556—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means with track following after a "seek"
-
- 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
- G11B5/455—Arrangements for functional testing of heads; Measuring arrangements for heads
- G11B5/4555—Arrangements for functional testing of heads; Measuring arrangements for heads by using a spin-stand, i.e. a spinning disc or simulator
-
- 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
- G11B5/59688—Servo signal format patterns or signal processing thereof, e.g. dual, tri, quad, burst signal patterns
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNA2005800487134A CN101128869A (zh) | 2005-02-28 | 2005-02-28 | 存储装置的磁道间距检查方法、程序及存储装置 |
PCT/JP2005/003306 WO2006092836A1 (ja) | 2005-02-28 | 2005-02-28 | 記憶装置のトラックピッチ検査方法、プログラム及び記憶装置 |
JP2007505756A JP4709827B2 (ja) | 2005-02-28 | 2005-02-28 | 記憶装置のトラックピッチ検査方法、プログラム及び記憶装置 |
US11/880,170 US7529058B2 (en) | 2005-02-28 | 2007-07-20 | Track pitch examination method of storage apparatus, program, and storage apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2005/003306 WO2006092836A1 (ja) | 2005-02-28 | 2005-02-28 | 記憶装置のトラックピッチ検査方法、プログラム及び記憶装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/880,170 Continuation US7529058B2 (en) | 2005-02-28 | 2007-07-20 | Track pitch examination method of storage apparatus, program, and storage apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006092836A1 true WO2006092836A1 (ja) | 2006-09-08 |
Family
ID=36940882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/003306 WO2006092836A1 (ja) | 2005-02-28 | 2005-02-28 | 記憶装置のトラックピッチ検査方法、プログラム及び記憶装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7529058B2 (ja) |
JP (1) | JP4709827B2 (ja) |
CN (1) | CN101128869A (ja) |
WO (1) | WO2006092836A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008107661A1 (en) | 2007-03-05 | 2008-09-12 | Biolipox Ab | New methylenebisphenyl compounds useful in the treatment of inflammation |
WO2011004700A1 (ja) * | 2009-07-10 | 2011-01-13 | ダブリュディ・メディア・シンガポール・プライベートリミテッド | 垂直磁気記録媒体の評価方法及び垂直磁気記録媒体の製造方法 |
CN103906145A (zh) * | 2012-12-25 | 2014-07-02 | 中国移动通信集团四川有限公司 | 一种语音业务的sla门限生成方法及装置 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7738208B2 (en) * | 2007-11-28 | 2010-06-15 | Samsung Electronics Co., Ltd. | Data recovery through eliminating adjacent track interference |
US7650686B2 (en) * | 2007-12-28 | 2010-01-26 | Hitachi Global Storage Technologies Netherlands B.V. | Servo track writer clockhead radius jig |
US8094401B1 (en) * | 2008-03-17 | 2012-01-10 | Western Digital Technologies, Inc. | Writing high frequency pattern over a DC background to detect skip track erasure for a disk drive |
JP4969514B2 (ja) * | 2008-05-21 | 2012-07-04 | 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、その制御方法、及びその製造方法 |
US8315006B1 (en) * | 2010-03-09 | 2012-11-20 | Western Digital Technologies, Inc. | Adaptive data writing mode based on drive environment |
JP4772913B1 (ja) * | 2010-06-18 | 2011-09-14 | 株式会社東芝 | 磁気ディスク装置及びヘッド位置制御方法 |
US8699171B1 (en) | 2010-09-30 | 2014-04-15 | Western Digital Technologies, Inc. | Disk drive selecting head for write operation based on environmental condition |
JP6383309B2 (ja) * | 2015-03-17 | 2018-08-29 | アズビル株式会社 | 制御装置および制御方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06267212A (ja) * | 1993-03-11 | 1994-09-22 | Fuji Electric Co Ltd | ディスク記憶装置のトラックピッチ試験方法 |
JPH0778430A (ja) * | 1993-09-10 | 1995-03-20 | Nec Corp | トラックピッチ検査装置 |
JP2000293946A (ja) * | 1999-04-07 | 2000-10-20 | Fujitsu Ltd | ディスク装置における欠陥部位スキップ処理方法 |
US6181504B1 (en) * | 1996-05-27 | 2001-01-30 | Samsung Electronics Co., Ltd. | Method for measuring track pitches of a hard disk drive |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6785073B2 (en) * | 2000-06-14 | 2004-08-31 | Seagate Technology Llc | Identification and cancellation of cage frequency in a hard disc drive |
KR100688492B1 (ko) | 2002-05-11 | 2007-03-09 | 삼성전자주식회사 | 하드 디스크 드라이브를 위한 오프 트랙 발생 예방 방법및 장치 |
US7457075B2 (en) * | 2004-02-24 | 2008-11-25 | Seagate Technology Llc | System and method for reducing ZAP time and track squeeze in a data storage device |
JP2006048745A (ja) * | 2004-07-30 | 2006-02-16 | Hitachi Global Storage Technologies Netherlands Bv | 磁気ディスク装置のトラック・ピッチを検査する方法 |
-
2005
- 2005-02-28 CN CNA2005800487134A patent/CN101128869A/zh active Pending
- 2005-02-28 WO PCT/JP2005/003306 patent/WO2006092836A1/ja not_active Application Discontinuation
- 2005-02-28 JP JP2007505756A patent/JP4709827B2/ja not_active Expired - Fee Related
-
2007
- 2007-07-20 US US11/880,170 patent/US7529058B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06267212A (ja) * | 1993-03-11 | 1994-09-22 | Fuji Electric Co Ltd | ディスク記憶装置のトラックピッチ試験方法 |
JPH0778430A (ja) * | 1993-09-10 | 1995-03-20 | Nec Corp | トラックピッチ検査装置 |
US6181504B1 (en) * | 1996-05-27 | 2001-01-30 | Samsung Electronics Co., Ltd. | Method for measuring track pitches of a hard disk drive |
JP2000293946A (ja) * | 1999-04-07 | 2000-10-20 | Fujitsu Ltd | ディスク装置における欠陥部位スキップ処理方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008107661A1 (en) | 2007-03-05 | 2008-09-12 | Biolipox Ab | New methylenebisphenyl compounds useful in the treatment of inflammation |
WO2011004700A1 (ja) * | 2009-07-10 | 2011-01-13 | ダブリュディ・メディア・シンガポール・プライベートリミテッド | 垂直磁気記録媒体の評価方法及び垂直磁気記録媒体の製造方法 |
JP2011018426A (ja) * | 2009-07-10 | 2011-01-27 | Wd Media Singapore Pte Ltd | 垂直磁気記録媒体の評価方法及び垂直磁気記録媒体の製造方法 |
US8665541B2 (en) | 2009-07-10 | 2014-03-04 | Wd Media (Singapore) Pte. Ltd. | Evaluation method of perpendicular magnetic recording medium and manufacturing method of perpendicular magnetic recording medium |
CN103906145A (zh) * | 2012-12-25 | 2014-07-02 | 中国移动通信集团四川有限公司 | 一种语音业务的sla门限生成方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
CN101128869A (zh) | 2008-02-20 |
US7529058B2 (en) | 2009-05-05 |
JPWO2006092836A1 (ja) | 2008-07-24 |
JP4709827B2 (ja) | 2011-06-29 |
US20070263312A1 (en) | 2007-11-15 |
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