DE10393593T5 - Senkrecht gemusterte magnetische Medien - Google Patents
Senkrecht gemusterte magnetische Medien Download PDFInfo
- Publication number
- DE10393593T5 DE10393593T5 DE10393593T DE10393593T DE10393593T5 DE 10393593 T5 DE10393593 T5 DE 10393593T5 DE 10393593 T DE10393593 T DE 10393593T DE 10393593 T DE10393593 T DE 10393593T DE 10393593 T5 DE10393593 T5 DE 10393593T5
- Authority
- DE
- Germany
- Prior art keywords
- medium
- patterned areas
- magnetic
- patterned
- areas
- 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.)
- Withdrawn
Links
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 186
- 239000000758 substrate Substances 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims description 32
- 230000005381 magnetic domain Effects 0.000 claims description 15
- 230000006866 deterioration Effects 0.000 claims 1
- 239000010410 layer Substances 0.000 description 63
- 230000003750 conditioning effect Effects 0.000 description 38
- 230000005415 magnetization Effects 0.000 description 18
- 238000003860 storage Methods 0.000 description 14
- 238000013500 data storage Methods 0.000 description 12
- 230000001143 conditioned effect Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 230000010287 polarization Effects 0.000 description 9
- 238000004049 embossing Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 238000003490 calendering Methods 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 230000003362 replicative effect Effects 0.000 description 3
- 238000002679 ablation Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000006735 deficit Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000005347 demagnetization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000005339 levitation Methods 0.000 description 2
- 229910001004 magnetic alloy Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229910019222 CoCrPt Inorganic materials 0.000 description 1
- 229910000684 Cobalt-chrome Inorganic materials 0.000 description 1
- 241000331006 Euchaeta media Species 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000010952 cobalt-chrome Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000012791 sliding layer Substances 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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- 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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/743—Patterned record carriers, wherein the magnetic recording layer is patterned into magnetic isolated data islands, e.g. discrete tracks
-
- 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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/82—Disk carriers
-
- 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
- G11B5/86—Re-recording, i.e. transcribing information from one magnetisable record carrier on to one or more similar or dissimilar record carriers
-
- 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
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits 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
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
- G11B5/09—Digital recording
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/283401 | 2002-10-29 | ||
| US10/283,401 US6999279B2 (en) | 2002-10-29 | 2002-10-29 | Perpendicular patterned magnetic media |
| PCT/US2003/032594 WO2004040559A2 (en) | 2002-10-29 | 2003-10-16 | Perpendicular patterned magnetic media |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE10393593T5 true DE10393593T5 (de) | 2005-09-29 |
Family
ID=32107516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE10393593T Withdrawn DE10393593T5 (de) | 2002-10-29 | 2003-10-16 | Senkrecht gemusterte magnetische Medien |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6999279B2 (enExample) |
| JP (1) | JP2006505091A (enExample) |
| CN (1) | CN1708788A (enExample) |
| AU (1) | AU2003277386A1 (enExample) |
| DE (1) | DE10393593T5 (enExample) |
| WO (1) | WO2004040559A2 (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1803583A2 (de) | 2006-01-03 | 2007-07-04 | Monolith GmbH | Bindesystem zum Binden von Blattgut |
| EP2080637A1 (de) | 2008-01-21 | 2009-07-22 | Monolith GmbH Bürosysteme | Bindering zum Binden von Blattgut |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7019924B2 (en) | 2001-02-16 | 2006-03-28 | Komag, Incorporated | Patterned medium and recording head |
| US20050036223A1 (en) * | 2002-11-27 | 2005-02-17 | Wachenschwanz David E. | Magnetic discrete track recording disk |
| US7147790B2 (en) * | 2002-11-27 | 2006-12-12 | Komag, Inc. | Perpendicular magnetic discrete track recording disk |
| US6947235B2 (en) * | 2003-12-03 | 2005-09-20 | Hitachi Global Storage Technologies Netherlands B.V. | Patterned multilevel perpendicular magnetic recording media |
| JP2006031856A (ja) * | 2004-07-16 | 2006-02-02 | Toshiba Corp | 垂直磁気記録用のパターンドディスク媒体及び同媒体を搭載した磁気ディスクドライブ |
| DE102005022473B4 (de) * | 2005-05-14 | 2007-05-24 | Forschungszentrum Karlsruhe Gmbh | Vorrichtung zur Dämpfung von Reflexionen elektromagnetischer Wellen, Verfahren zu ihrer Herstellung und ihre Verwendung |
| JP4675722B2 (ja) * | 2005-09-02 | 2011-04-27 | 株式会社東芝 | 磁気記録媒体 |
| US8900655B2 (en) | 2006-10-04 | 2014-12-02 | Seagate Technology Llc | Method for fabricating patterned magnetic recording device |
| US7704614B2 (en) * | 2006-10-20 | 2010-04-27 | Seagate Technology Llc | Process for fabricating patterned magnetic recording media |
| US7532422B2 (en) * | 2006-10-25 | 2009-05-12 | Mra Tek, Llc | Method and system for distinguishing spatial and thermal defects on perpendicular media |
| JP2008152903A (ja) * | 2006-11-21 | 2008-07-03 | Toshiba Corp | 磁気記録媒体、その製造方法、および磁気記録装置 |
| US7919029B2 (en) * | 2006-12-01 | 2011-04-05 | Seagate Technology Llc | Thermal compensated stampers/imprinters |
| JP4296204B2 (ja) * | 2007-03-26 | 2009-07-15 | 株式会社東芝 | 磁気記録媒体 |
| JP4703604B2 (ja) * | 2007-05-23 | 2011-06-15 | 株式会社東芝 | 磁気記録媒体およびその製造方法 |
| US7835099B2 (en) | 2007-06-29 | 2010-11-16 | Seagate Technology Llc | Method and system for error checking in a bit-patterned media |
| JP4382843B2 (ja) | 2007-09-26 | 2009-12-16 | 株式会社東芝 | 磁気記録媒体およびその製造方法 |
| US7864470B2 (en) * | 2007-10-11 | 2011-01-04 | Seagate Technology Llc | Patterned media with spacings adjusted by a skew function |
| US7835094B2 (en) * | 2008-07-02 | 2010-11-16 | Seagate Technology Llc | Embedded track information for patterned media |
| US7920354B2 (en) * | 2008-09-15 | 2011-04-05 | Seagate Technology Llc | Phase servo patterns for bit patterned media |
| US8824079B2 (en) * | 2008-09-15 | 2014-09-02 | Seagate Technology Llc | Servo patterns for bit patterned media with multiple dots per servo period |
| US8947809B2 (en) * | 2008-09-19 | 2015-02-03 | Seagate Technology Llc | Encoding scheme for bit patterned media |
| US8339722B1 (en) | 2008-11-17 | 2012-12-25 | Marvell International Ltd. | Methods of demodulating a servo positon error signal on patterned media |
| JP2010134977A (ja) * | 2008-12-02 | 2010-06-17 | Toshiba Storage Device Corp | 磁気記録媒体及び磁気記憶装置 |
| US9111565B2 (en) * | 2009-01-16 | 2015-08-18 | Seagate Technology Llc | Data storage device with both bit patterned and continuous media |
| US7960044B2 (en) * | 2009-03-27 | 2011-06-14 | Hitachi Global Storage Technologies Netherlands B.V. | Patterned-media perpendicular magnetic recording disk with servo regions having magnetized servo pillars and oppositely-magnetized servo trenches |
| US8797674B2 (en) | 2011-06-13 | 2014-08-05 | Imation Corp. | Servo mark length matched to write head gap for magnetic storage media |
| US8817415B2 (en) * | 2011-06-13 | 2014-08-26 | Imation Corp. | Erasure of magnetic storage media having perpendicular anisotropy |
| US8767342B2 (en) | 2011-06-13 | 2014-07-01 | Imation Corp. | Erasure and servowriting of magnetic storage media having perpendicular anistropy |
| US8804276B2 (en) | 2011-06-13 | 2014-08-12 | Imation Corp. | Continuous biasing and servowriting of magnetic storage media having perpendicular anisotropy |
| US8867157B2 (en) | 2012-04-04 | 2014-10-21 | Imation Corp. | Perpendicular pole head for servo writing magnetic media |
| US9147423B2 (en) | 2012-04-17 | 2015-09-29 | HGST Netherlands B.V. | Method for improving a patterned perpendicular magnetic recording disk with annealing |
| US8797681B2 (en) | 2012-04-26 | 2014-08-05 | Imation Corp. | Servo write head having plural spaced front blocks coupled by magnetic posts to a back bar |
| US8867167B2 (en) | 2012-04-26 | 2014-10-21 | Imation Corp. | Tapered pole heads for magnetic media |
| US8643968B2 (en) | 2012-04-26 | 2014-02-04 | Imation Corp. | Methods and systems for magnetic media servo writing |
| US8760802B2 (en) | 2012-04-26 | 2014-06-24 | Imation Corp. | Systems and methods for processing magnetic media with first and second magnetic gaps adjacent opposite sides of the recording layer |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5963005A (ja) * | 1982-10-04 | 1984-04-10 | Toshiba Corp | 磁気記録方式 |
| US4656546A (en) * | 1985-01-22 | 1987-04-07 | Digital Equipment Corporation | Vertical magnetic recording arrangement |
| JP3254743B2 (ja) | 1992-08-17 | 2002-02-12 | ソニー株式会社 | 位置決め信号の書き込み方法 |
| JP3344495B2 (ja) | 1993-03-04 | 2002-11-11 | ソニー株式会社 | 磁気ディスク装置 |
| JP3271406B2 (ja) | 1993-11-30 | 2002-04-02 | ソニー株式会社 | 垂直磁気記録媒体及びその垂直磁気記録媒体への信号記録方法 |
| US5537282A (en) | 1994-07-15 | 1996-07-16 | Treves; David | Data storage disk having improved tracking capability |
| US5723033A (en) | 1995-09-06 | 1998-03-03 | Akashic Memories Corporation | Discrete track media produced by underlayer laser ablation |
| US5991104A (en) | 1996-11-27 | 1999-11-23 | Seagate Technology, Inc. | Using servowriter medium for quickly written servo-patterns on magnetic media |
| DE19982817T1 (de) | 1998-02-10 | 2001-03-22 | Seagate Technology Llc | Magnetaufzeichnungsmedium mit gemustertem Substrat |
| JPH11296845A (ja) | 1998-04-14 | 1999-10-29 | Tdk Corp | 磁気ディスク媒体および磁気記録装置 |
| US6168845B1 (en) | 1999-01-19 | 2001-01-02 | International Business Machines Corporation | Patterned magnetic media and method of making the same using selective oxidation |
| JP2000306236A (ja) | 1999-04-22 | 2000-11-02 | Sony Corp | 着磁装置及び着磁方法 |
| US6421195B1 (en) | 1999-09-20 | 2002-07-16 | International Business Machines Corporation | Magnetic disk media with patterned sections |
| US6383597B1 (en) | 2000-06-21 | 2002-05-07 | International Business Machines Corporation | Magnetic recording media with magnetic bit regions patterned by ion irradiation |
| US6391430B1 (en) | 2000-06-21 | 2002-05-21 | International Business Machines Corporation | Patterned magnetic recording media with discrete magnetic regions separated by regions of antiferromagnetically coupled films |
| US6563673B2 (en) | 2000-09-12 | 2003-05-13 | Seagate Technology Llc | Method and apparatus for minimizing slider fly heights over patterned media |
| US6657809B2 (en) | 2001-01-29 | 2003-12-02 | International Business Machines Corporation | Method and apparatus for positioning a transducer using a phase difference in surface profile variations on a storage medium |
-
2002
- 2002-10-29 US US10/283,401 patent/US6999279B2/en not_active Expired - Lifetime
-
2003
- 2003-10-16 CN CNA2003801025218A patent/CN1708788A/zh active Pending
- 2003-10-16 AU AU2003277386A patent/AU2003277386A1/en not_active Abandoned
- 2003-10-16 WO PCT/US2003/032594 patent/WO2004040559A2/en not_active Ceased
- 2003-10-16 DE DE10393593T patent/DE10393593T5/de not_active Withdrawn
- 2003-10-16 JP JP2004548381A patent/JP2006505091A/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1803583A2 (de) | 2006-01-03 | 2007-07-04 | Monolith GmbH | Bindesystem zum Binden von Blattgut |
| EP2080637A1 (de) | 2008-01-21 | 2009-07-22 | Monolith GmbH Bürosysteme | Bindering zum Binden von Blattgut |
Also Published As
| Publication number | Publication date |
|---|---|
| US6999279B2 (en) | 2006-02-14 |
| AU2003277386A1 (en) | 2004-05-25 |
| WO2004040559A3 (en) | 2004-09-02 |
| CN1708788A (zh) | 2005-12-14 |
| JP2006505091A (ja) | 2006-02-09 |
| US20040080847A1 (en) | 2004-04-29 |
| WO2004040559A2 (en) | 2004-05-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8139 | Disposal/non-payment of the annual fee |