JP5216100B2 - サーボアドレスマークデータを用いたフライングハイト制御のためのシステム及び方法 - Google Patents
サーボアドレスマークデータを用いたフライングハイト制御のためのシステム及び方法 Download PDFInfo
- Publication number
- JP5216100B2 JP5216100B2 JP2010538010A JP2010538010A JP5216100B2 JP 5216100 B2 JP5216100 B2 JP 5216100B2 JP 2010538010 A JP2010538010 A JP 2010538010A JP 2010538010 A JP2010538010 A JP 2010538010A JP 5216100 B2 JP5216100 B2 JP 5216100B2
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- Prior art keywords
- sample
- servo
- address mark
- data area
- servo address
- 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.)
- Expired - Fee Related
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- 238000000034 method Methods 0.000 title claims description 35
- 238000012935 Averaging Methods 0.000 claims description 18
- 238000004904 shortening Methods 0.000 claims description 15
- 238000013459 approach Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 12
- 238000005070 sampling Methods 0.000 description 12
- 238000001514 detection method Methods 0.000 description 11
- 238000012545 processing Methods 0.000 description 9
- 230000008859 change Effects 0.000 description 5
- 230000004044 response Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
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- 239000011159 matrix material Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 238000011084 recovery Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
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
- G11B5/58—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
-
- 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
- G11B5/60—Fluid-dynamic spacing of heads from record-carriers
- G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
- G11B5/6011—Control of flying height
- G11B5/6029—Measurement using values derived from the data signal read from the disk
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1365607P | 2007-12-14 | 2007-12-14 | |
| US61/013,656 | 2007-12-14 | ||
| PCT/US2008/081381 WO2009079094A1 (en) | 2007-12-14 | 2008-10-27 | Systems and methods for fly-height control using servo address mark data |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2011507138A JP2011507138A (ja) | 2011-03-03 |
| JP2011507138A5 JP2011507138A5 (enExample) | 2013-03-07 |
| JP5216100B2 true JP5216100B2 (ja) | 2013-06-19 |
Family
ID=40795841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010538010A Expired - Fee Related JP5216100B2 (ja) | 2007-12-14 | 2008-10-27 | サーボアドレスマークデータを用いたフライングハイト制御のためのシステム及び方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8054573B2 (enExample) |
| EP (1) | EP2179417A4 (enExample) |
| JP (1) | JP5216100B2 (enExample) |
| KR (1) | KR101482292B1 (enExample) |
| CN (1) | CN101743593B (enExample) |
| TW (1) | TWI446339B (enExample) |
| WO (1) | WO2009079094A1 (enExample) |
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| US8730610B2 (en) * | 2006-05-22 | 2014-05-20 | Seagate Technology Llc | Closed loop fly height control |
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-
2008
- 2008-10-27 US US12/663,336 patent/US8054573B2/en not_active Expired - Fee Related
- 2008-10-27 EP EP08863082.7A patent/EP2179417A4/en not_active Withdrawn
- 2008-10-27 WO PCT/US2008/081381 patent/WO2009079094A1/en not_active Ceased
- 2008-10-27 KR KR1020107004018A patent/KR101482292B1/ko not_active Expired - Fee Related
- 2008-10-27 CN CN2008800247539A patent/CN101743593B/zh not_active Expired - Fee Related
- 2008-10-27 JP JP2010538010A patent/JP5216100B2/ja not_active Expired - Fee Related
- 2008-11-13 TW TW097143920A patent/TWI446339B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CN101743593A (zh) | 2010-06-16 |
| KR20100091941A (ko) | 2010-08-19 |
| CN101743593B (zh) | 2013-07-17 |
| TW200937393A (en) | 2009-09-01 |
| US8054573B2 (en) | 2011-11-08 |
| TWI446339B (zh) | 2014-07-21 |
| EP2179417A1 (en) | 2010-04-28 |
| JP2011507138A (ja) | 2011-03-03 |
| US20100177430A1 (en) | 2010-07-15 |
| WO2009079094A1 (en) | 2009-06-25 |
| KR101482292B1 (ko) | 2015-01-13 |
| EP2179417A4 (en) | 2013-12-18 |
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