JP2002537625A - 磁気データ記憶媒体のマルチビームレーザサーボ書込み - Google Patents
磁気データ記憶媒体のマルチビームレーザサーボ書込みInfo
- Publication number
- JP2002537625A JP2002537625A JP2000600271A JP2000600271A JP2002537625A JP 2002537625 A JP2002537625 A JP 2002537625A JP 2000600271 A JP2000600271 A JP 2000600271A JP 2000600271 A JP2000600271 A JP 2000600271A JP 2002537625 A JP2002537625 A JP 2002537625A
- Authority
- JP
- Japan
- Prior art keywords
- etching
- data storage
- servo pattern
- servo
- magnetic
- 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.)
- Pending
Links
- 238000013500 data storage Methods 0.000 title claims abstract description 55
- 238000005530 etching Methods 0.000 claims abstract description 74
- 230000003287 optical effect Effects 0.000 claims abstract description 51
- 238000000034 method Methods 0.000 claims abstract description 47
- 238000000576 coating method Methods 0.000 claims abstract description 29
- 239000011248 coating agent Substances 0.000 claims abstract description 28
- 239000000758 substrate Substances 0.000 claims description 14
- 230000010287 polarization Effects 0.000 claims description 9
- 238000010329 laser etching Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 101000606504 Drosophila melanogaster Tyrosine-protein kinase-like otk Proteins 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000002508 contact lithography Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000000873 masking effect 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
- 229920000728 polyester Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 238000003079 width control Methods 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
- G11B5/58—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
- G11B5/59633—Servo formatting
Landscapes
- Manufacturing Of Magnetic Record Carriers (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/251,774 US6365061B1 (en) | 1999-02-17 | 1999-02-17 | Multibeam laser servowriting of magnetic data storage media |
| US09/251,774 | 1999-02-17 | ||
| PCT/US2000/001316 WO2000049610A1 (en) | 1999-02-17 | 2000-01-20 | Multibeam laser servowriting of magnetic data storage media |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002537625A true JP2002537625A (ja) | 2002-11-05 |
| JP2002537625A5 JP2002537625A5 (enExample) | 2007-01-18 |
Family
ID=22953355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000600271A Pending JP2002537625A (ja) | 1999-02-17 | 2000-01-20 | 磁気データ記憶媒体のマルチビームレーザサーボ書込み |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US6365061B1 (enExample) |
| JP (1) | JP2002537625A (enExample) |
| DE (1) | DE10084268T1 (enExample) |
| WO (1) | WO2000049610A1 (enExample) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7153366B1 (en) * | 1998-03-24 | 2006-12-26 | Quantum Corporation | Systems and method for forming a servo pattern on a magnetic tape |
| US7029726B1 (en) | 1999-07-27 | 2006-04-18 | Quantum Corporation | Method for forming a servo pattern on a magnetic tape |
| AU2441099A (en) * | 1999-02-16 | 2000-09-04 | Quantum Corporation | Method of writing servo signal on magnetic tape |
| US6365061B1 (en) * | 1999-02-17 | 2002-04-02 | Imation Corp. | Multibeam laser servowriting of magnetic data storage media |
| US6961200B2 (en) * | 1999-07-27 | 2005-11-01 | Quantum Corporation | Optical servo track identification on tape storage media |
| US6791784B2 (en) * | 2001-03-23 | 2004-09-14 | Imation Corp. | Diffraction-based monitoring of a patterned magnetic recording medium |
| US6940681B2 (en) * | 2001-08-20 | 2005-09-06 | Quantum Corporation | Optical to magnetic alignment in magnetic tape system |
| DE10210518A1 (de) * | 2002-03-09 | 2003-10-02 | Mtu Aero Engines Gmbh | Verfahren zur Entschichtung von Triebwerksbauteilen und Vorrichtung zur Durchführung des Verfahrens |
| US7718222B2 (en) * | 2002-04-25 | 2010-05-18 | University Of Virginia Patent Foundation | Apparatus and method for high rate uniform coating, including non-line of sight |
| US7187515B2 (en) * | 2003-02-05 | 2007-03-06 | Quantum Corporation | Method and system for tracking magnetic media with embedded optical servo tracks |
| US6980390B2 (en) * | 2003-02-05 | 2005-12-27 | Quantum Corporation | Magnetic media with embedded optical servo tracks |
| US6947454B2 (en) * | 2003-06-30 | 2005-09-20 | Electro Scientific Industries, Inc. | Laser pulse picking employing controlled AOM loading |
| US7275302B2 (en) * | 2003-12-09 | 2007-10-02 | Seagate Technology Llc | Method of forming a disc pack |
| US20060114948A1 (en) * | 2004-11-29 | 2006-06-01 | Lo Ho W | Workpiece processing system using a common imaged optical assembly to shape the spatial distributions of light energy of multiple laser beams |
| US20060262693A1 (en) * | 2005-05-19 | 2006-11-23 | Seagate Technology Llc | Apparatus and method for writing multiple radial locations during a single rotation of a disk recording medium |
| EP2260967B1 (en) * | 2005-10-31 | 2013-10-02 | Advanced Laser Separation International (ALSI) B.V. | Arrangement for forming one or more separated scores in a surface of a substrate |
| US7796353B2 (en) * | 2008-10-09 | 2010-09-14 | Hitachi Global Storage Technologies Netherlands B.V. | Patterned-media magnetic recording disk with optical contrast enhancement and disk drive using optical contrast for write synchronization |
| US20110293907A1 (en) * | 2009-02-13 | 2011-12-01 | Faycal Benayad-Cherif | Laser parameter adjustment |
| WO2010120725A2 (en) * | 2009-04-13 | 2010-10-21 | Applied Materials, Inc. | Hdd pattern apparatus using laser, e-beam, or focused ion beam |
| TW201324885A (zh) | 2011-09-14 | 2013-06-16 | Applied Materials Inc | 製造高密度磁性介質之設備及方法(一) |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4315283A (en) | 1976-04-08 | 1982-02-09 | Victor Company Of Japan, Ltd. | High density recording system using side-by-side information and servo tracks |
| US4459690A (en) | 1981-07-30 | 1984-07-10 | Rca Corporation | Multi-beam optical record and playback apparatus having an improved beam splitter |
| US4633451A (en) * | 1982-06-30 | 1986-12-30 | International Business Machines Corporation | Optical servo for magnetic disks |
| US4597169A (en) * | 1984-06-05 | 1986-07-01 | Standex International Corporation | Method of manufacturing a turnable microinductor |
| US4598196A (en) * | 1984-07-10 | 1986-07-01 | Drexler Technology Corporation | Debit card |
| US5120927A (en) * | 1988-06-03 | 1992-06-09 | Insite Peripherals, Inc. | High track density media with optical servo tracks and method and apparatus for inscribing the tracks on the media |
| US4961123A (en) * | 1988-06-03 | 1990-10-02 | Insite Peripherals | Magnetic information media storage with optical servo tracks |
| JPH033113A (ja) | 1989-05-30 | 1991-01-09 | Mitsumi Electric Co Ltd | 固定磁気デイスク記憶装置に於けるサーボパターン形成方法 |
| US5067039A (en) | 1989-10-20 | 1991-11-19 | Insite Peripherals, Inc. | High track density magnetic media with pitted optical servo tracks and method for stamping the tracks on the media |
| US5121371A (en) * | 1990-06-18 | 1992-06-09 | Bernoulli Optical Systems Company | Optical servo system for magnetic disk |
| US5283773A (en) | 1992-06-10 | 1994-02-01 | Iomega Corporation | Steering laser beam while etching optical servo tracks for magnetic disks |
| US5279775A (en) | 1992-06-10 | 1994-01-18 | Iomega Corporation | Acousto-optical intensity control of laser beam during etching of optical servo information of magnetic media |
| JPH06302002A (ja) | 1993-04-12 | 1994-10-28 | Rohm Co Ltd | 半導体レーザ装置 |
| JP2878574B2 (ja) | 1993-12-01 | 1999-04-05 | シャープ株式会社 | 光ディスク及びその再生方法 |
| US5689384A (en) | 1994-06-30 | 1997-11-18 | International Business Machines Corporation | Timing based servo system for magnetic tape systems |
| JPH08180351A (ja) * | 1994-12-26 | 1996-07-12 | Mitsubishi Chem Corp | 磁気記録媒体および磁気記録装置 |
| US5638178A (en) * | 1995-09-01 | 1997-06-10 | Phase Metrics | Imaging polarimeter detector for measurement of small spacings |
| US5965215A (en) * | 1997-01-15 | 1999-10-12 | Seagate Technology, Inc. | Method for laser texturing a landing zone and a data zone of a magnetic recording medium |
| US5910235A (en) * | 1997-09-12 | 1999-06-08 | Western Digital Corporation | Etching and pipelined texturing of a substrate in a stationary vacuum deposition machine |
| US6084740A (en) * | 1997-12-01 | 2000-07-04 | Storage Technology Corporation | Optical servo system for a tape drive |
| EP1205913A4 (en) * | 1999-02-17 | 2002-08-14 | Quantum Corp | METHOD FOR WRITING SERVO SIGNALS ON MAGNETIC TAPE |
| US6365061B1 (en) * | 1999-02-17 | 2002-04-02 | Imation Corp. | Multibeam laser servowriting of magnetic data storage media |
-
1999
- 1999-02-17 US US09/251,774 patent/US6365061B1/en not_active Expired - Fee Related
-
2000
- 2000-01-20 JP JP2000600271A patent/JP2002537625A/ja active Pending
- 2000-01-20 WO PCT/US2000/001316 patent/WO2000049610A1/en not_active Ceased
- 2000-01-20 DE DE10084268T patent/DE10084268T1/de not_active Withdrawn
-
2002
- 2002-02-08 US US10/072,125 patent/US6808648B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US6365061B1 (en) | 2002-04-02 |
| DE10084268T1 (de) | 2002-03-21 |
| US20020088770A1 (en) | 2002-07-11 |
| WO2000049610A1 (en) | 2000-08-24 |
| US6808648B2 (en) | 2004-10-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20061124 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20061124 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090331 |
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| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20090901 |