SG172192A1 - Magnetic disk centering system and method - Google Patents
Magnetic disk centering system and method Download PDFInfo
- Publication number
- SG172192A1 SG172192A1 SG2011044054A SG2011044054A SG172192A1 SG 172192 A1 SG172192 A1 SG 172192A1 SG 2011044054 A SG2011044054 A SG 2011044054A SG 2011044054 A SG2011044054 A SG 2011044054A SG 172192 A1 SG172192 A1 SG 172192A1
- Authority
- SG
- Singapore
- Prior art keywords
- disk
- axis
- data
- actuator
- spindle
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000013519 translation Methods 0.000 claims description 54
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 238000009987 spinning Methods 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 claims 1
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 230000007246 mechanism Effects 0.000 description 12
- 230000008569 process Effects 0.000 description 8
- 238000003708 edge detection Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 230000020347 spindle assembly Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000004557 technical material Substances 0.000 description 1
Classifications
-
- 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
- G11B19/20—Driving; Starting; Stopping; Control thereof
-
- 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
-
- 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
- G11B5/59627—Aligning for runout, eccentricity or offset compensation
Landscapes
- Rotational Drive Of Disk (AREA)
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20194008P | 2008-12-16 | 2008-12-16 | |
PCT/US2009/068029 WO2010075073A1 (en) | 2008-12-16 | 2009-12-15 | Magnetic disk centering system and method |
Publications (1)
Publication Number | Publication Date |
---|---|
SG172192A1 true SG172192A1 (en) | 2011-07-28 |
Family
ID=41718422
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG2011044054A SG172192A1 (en) | 2008-12-16 | 2009-12-15 | Magnetic disk centering system and method |
Country Status (3)
Country | Link |
---|---|
JP (2) | JP5792071B2 (ja) |
SG (1) | SG172192A1 (ja) |
WO (1) | WO2010075073A1 (ja) |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0746432B2 (ja) * | 1985-09-02 | 1995-05-17 | ソニー株式会社 | トラツキングサ−ボ補助装置 |
JPS63168662U (ja) * | 1987-04-22 | 1988-11-02 | ||
JPH041973A (ja) * | 1990-04-18 | 1992-01-07 | Ntn Corp | ディスクの偏心測定装置およびそれを用いた偏心調整装置 |
JPH06302099A (ja) * | 1993-04-15 | 1994-10-28 | Sony Corp | ディスクの位置ずれ補正装置 |
JPH07220385A (ja) * | 1994-01-25 | 1995-08-18 | Toshiba Corp | ディスクセンタリング方法及びディスクセンタリング装置 |
JPH09128882A (ja) * | 1995-08-30 | 1997-05-16 | Toshiba Corp | ディスクセンタリング方法及びその装置 |
JP3758728B2 (ja) * | 1995-12-07 | 2006-03-22 | 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 | ディスクの回転バランス調整方法及びその装置 |
US5824898A (en) * | 1996-06-28 | 1998-10-20 | Western Digital Corporation | Rotating mass balancing system |
JPH1079133A (ja) * | 1996-09-02 | 1998-03-24 | Mitsubishi Electric Corp | ディスク装置の偏心修正方式 |
JP3001434B2 (ja) * | 1996-10-24 | 2000-01-24 | 茨城日本電気株式会社 | スピンドルモータの回転アンバランス修正機構 |
JPH11185445A (ja) * | 1997-10-15 | 1999-07-09 | Fujitsu Ltd | センタリング装置及び方法 |
US6655244B2 (en) * | 1997-10-15 | 2003-12-02 | Fujitsu Limited | Centering apparatus and method |
US6421199B1 (en) | 1998-09-25 | 2002-07-16 | Seagate Technology Llc | Method and apparatus for minimizing once per revolution positional errors in a disc drive |
JP2003257138A (ja) * | 2002-02-27 | 2003-09-12 | Hitachi Ltd | 偏心量評価方法およびサーボパターン書込み装置ならびに磁気ディスク装置の製造システム |
KR100498460B1 (ko) * | 2002-11-20 | 2005-07-01 | 삼성전자주식회사 | 하드디스크 드라이브의 디스크 밸런싱장치 및 방법 |
JP3949063B2 (ja) * | 2003-02-06 | 2007-07-25 | Tdk株式会社 | 記録媒体取付け用ハブ、記録再生特性評価装置および記録媒体取付け方法 |
JP2004310822A (ja) * | 2003-04-03 | 2004-11-04 | Sanyo Electric Co Ltd | 光ディスク装置 |
JP4964469B2 (ja) | 2005-01-14 | 2012-06-27 | ガジック・テクニカル・エンタープライゼス | 磁気ヘッド及びディスクをテストするための真空チャック・スピンスタンド |
-
2009
- 2009-12-15 WO PCT/US2009/068029 patent/WO2010075073A1/en active Application Filing
- 2009-12-15 SG SG2011044054A patent/SG172192A1/en unknown
- 2009-12-15 JP JP2011542334A patent/JP5792071B2/ja active Active
-
2014
- 2014-12-19 JP JP2014258099A patent/JP2015084271A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2012512498A (ja) | 2012-05-31 |
WO2010075073A1 (en) | 2010-07-01 |
JP2015084271A (ja) | 2015-04-30 |
JP5792071B2 (ja) | 2015-10-07 |
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