DE102004055718A1 - Magnetaufzeichnungsplatte - Google Patents
Magnetaufzeichnungsplatte Download PDFInfo
- Publication number
- DE102004055718A1 DE102004055718A1 DE102004055718A DE102004055718A DE102004055718A1 DE 102004055718 A1 DE102004055718 A1 DE 102004055718A1 DE 102004055718 A DE102004055718 A DE 102004055718A DE 102004055718 A DE102004055718 A DE 102004055718A DE 102004055718 A1 DE102004055718 A1 DE 102004055718A1
- Authority
- DE
- Germany
- Prior art keywords
- zone
- areas
- raised
- recessed areas
- magnetic recording
- 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- Withdrawn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
- 230000007704 transition Effects 0.000 claims abstract description 47
- 238000000034 method Methods 0.000 claims abstract description 37
- 230000008569 process Effects 0.000 claims description 12
- 230000003068 static effect Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000005530 etching Methods 0.000 claims description 5
- 230000000284 resting effect Effects 0.000 claims description 2
- 230000000873 masking effect Effects 0.000 claims 2
- 239000010410 layer Substances 0.000 description 48
- 239000000758 substrate Substances 0.000 description 11
- 239000000725 suspension Substances 0.000 description 11
- 230000008859 change Effects 0.000 description 6
- 238000004049 embossing Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000000866 electrolytic etching Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000001459 lithography Methods 0.000 description 2
- 229910001092 metal group alloy Inorganic materials 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 230000020347 spindle assembly Effects 0.000 description 2
- 230000005355 Hall effect Effects 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001127 nanoimprint lithography Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 101150101567 pat-2 gene Proteins 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/16—Supporting the heads; Supporting the sockets for plug-in heads
- G11B21/22—Supporting the heads; Supporting the sockets for plug-in heads while the head is out of operative position
-
- 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
Landscapes
- Magnetic Record Carriers (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/742,362 US6967798B2 (en) | 2003-12-19 | 2003-12-19 | Magnetic recording disk having DTR patterned CSS zone |
| US10/742,362 | 2003-12-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE102004055718A1 true DE102004055718A1 (de) | 2005-07-14 |
Family
ID=34678426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE102004055718A Withdrawn DE102004055718A1 (de) | 2003-12-19 | 2004-11-18 | Magnetaufzeichnungsplatte |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US6967798B2 (https=) |
| JP (1) | JP4625322B2 (https=) |
| DE (1) | DE102004055718A1 (https=) |
| MY (1) | MY144001A (https=) |
Families Citing this family (98)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101031528B1 (ko) * | 2000-10-12 | 2011-04-27 | 더 보드 오브 리전츠 오브 더 유니버시티 오브 텍사스 시스템 | 실온 저압 마이크로- 및 나노- 임프린트 리소그래피용템플릿 |
| 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 |
| JP4382406B2 (ja) * | 2003-07-17 | 2009-12-16 | Ｔｄｋ株式会社 | 磁気記録媒体 |
| JP4133705B2 (ja) * | 2003-09-11 | 2008-08-13 | 富士通株式会社 | 磁気抵抗効果型ヘッドの製造方法 |
| JP4111276B2 (ja) * | 2004-02-26 | 2008-07-02 | Ｔｄｋ株式会社 | 磁気記録媒体及び磁気記録再生装置 |
| CN100440326C (zh) * | 2004-03-31 | 2008-12-03 | Hoya株式会社 | 磁盘用玻璃基板以及磁盘 |
| JP2006018902A (ja) * | 2004-06-30 | 2006-01-19 | Toshiba Corp | ディスクリートトラック媒体を有する垂直磁気記録装置 |
| JP4622351B2 (ja) * | 2004-07-09 | 2011-02-02 | 船井電機株式会社 | ハードディスク装置 |
| JP2006031848A (ja) * | 2004-07-16 | 2006-02-02 | Toshiba Corp | 磁気ディスクおよびこれを備えた磁気ディスク装置 |
| US7777607B2 (en) * | 2004-10-12 | 2010-08-17 | Allegro Microsystems, Inc. | Resistor having a predetermined temperature coefficient |
| JP4098784B2 (ja) * | 2005-02-03 | 2008-06-11 | 株式会社東芝 | 磁気記録媒体、磁気記録装置、スタンパおよびスタンパの製造方法 |
| JP2006260713A (ja) * | 2005-03-18 | 2006-09-28 | Toshiba Corp | 記録媒体、記録再生装置及び記録再生方法 |
| JP4542953B2 (ja) * | 2005-06-10 | 2010-09-15 | 株式会社東芝 | 磁気ディスク媒体および磁気記録再生装置 |
| US7876529B1 (en) * | 2005-11-03 | 2011-01-25 | Seagate Technology Llc | Recording disk with antiferromagnetically coupled multilayer ferromagnetic island disposed in trench between discrete tracks |
| JP4533854B2 (ja) * | 2006-03-06 | 2010-09-01 | 株式会社東芝 | 磁気記録再生装置、磁気記録方法、及び磁気記録再生方法 |
| JP2007242165A (ja) * | 2006-03-09 | 2007-09-20 | Fujifilm Corp | 垂直磁気転写用マスター媒体、垂直磁気転写方法、垂直磁気記録媒体、及び垂直磁気記録装置 |
| JP4585476B2 (ja) * | 2006-03-16 | 2010-11-24 | 株式会社東芝 | パターンド媒体および磁気記録装置 |
| JP2007273042A (ja) * | 2006-03-31 | 2007-10-18 | Toshiba Corp | 磁気記録媒体及び磁気記録再生装置 |
| US7729074B2 (en) * | 2007-06-28 | 2010-06-01 | Seagate Technology Llc | Zone based timing recovery for bit patterned media |
| US7795862B2 (en) | 2007-10-22 | 2010-09-14 | Allegro Microsystems, Inc. | Matching of GMR sensors in a bridge |
| JP5117895B2 (ja) | 2008-03-17 | 2013-01-16 | 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 | 磁気記録媒体及びその製造方法 |
| JP2009238299A (ja) * | 2008-03-26 | 2009-10-15 | Hoya Corp | 垂直磁気記録媒体および垂直磁気記録媒体の製造方法 |
| JP5453666B2 (ja) | 2008-03-30 | 2014-03-26 | 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 | 磁気ディスク及びその製造方法 |
| JP2011034603A (ja) * | 2008-03-31 | 2011-02-17 | Hoya Corp | 垂直磁気記録媒体 |
| JP2009271973A (ja) * | 2008-05-01 | 2009-11-19 | Showa Denko Kk | 磁気記録媒体および磁気記録再生装置 |
| US7843658B2 (en) * | 2008-06-26 | 2010-11-30 | Tdk Corporation | Method for measuring magnetic write width in discrete track recording |
| WO2010038773A1 (ja) | 2008-09-30 | 2010-04-08 | Hoya株式会社 | 磁気ディスク及びその製造方法 |
| US8877359B2 (en) | 2008-12-05 | 2014-11-04 | Wd Media (Singapore) Pte. Ltd. | Magnetic disk and method for manufacturing same |
| WO2010116908A1 (ja) | 2009-03-28 | 2010-10-14 | Hoya株式会社 | 磁気ディスク用潤滑剤化合物及び磁気ディスク |
| US8431258B2 (en) | 2009-03-30 | 2013-04-30 | Wd Media (Singapore) Pte. Ltd. | Perpendicular magnetic recording medium and method of manufacturing the same |
| US20100300884A1 (en) * | 2009-05-26 | 2010-12-02 | Wd Media, Inc. | Electro-deposited passivation coatings for patterned media |
| US8169727B2 (en) * | 2009-05-27 | 2012-05-01 | Walton Fong | Apparatus and method for stabilizing slider flying height over a discrete track media disk surface in a hard disk drive |
| US8492009B1 (en) | 2009-08-25 | 2013-07-23 | Wd Media, Inc. | Electrochemical etching of magnetic recording layer |
| US8496466B1 (en) | 2009-11-06 | 2013-07-30 | WD Media, LLC | Press system with interleaved embossing foil holders for nano-imprinting of recording media |
| US9330685B1 (en) | 2009-11-06 | 2016-05-03 | WD Media, LLC | Press system for nano-imprinting of recording media with a two step pressing method |
| JP5643516B2 (ja) | 2010-01-08 | 2014-12-17 | 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 |
| JP5574414B2 (ja) | 2010-03-29 | 2014-08-20 | 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 | 磁気ディスクの評価方法及び磁気ディスクの製造方法 |
| JP5634749B2 (ja) | 2010-05-21 | 2014-12-03 | 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 | 垂直磁気ディスク |
| JP5645476B2 (ja) | 2010-05-21 | 2014-12-24 | 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 | 垂直磁気ディスク |
| JP2011248968A (ja) | 2010-05-28 | 2011-12-08 | Wd Media (Singapore) Pte. Ltd | 垂直磁気ディスク |
| JP2011248969A (ja) | 2010-05-28 | 2011-12-08 | Wd Media (Singapore) Pte. Ltd | 垂直磁気ディスク |
| JP2011248967A (ja) | 2010-05-28 | 2011-12-08 | Wd Media (Singapore) Pte. Ltd | 垂直磁気ディスクの製造方法 |
| JP2012009086A (ja) | 2010-06-22 | 2012-01-12 | Wd Media (Singapore) Pte. Ltd | 垂直磁気記録媒体及びその製造方法 |
| US8889275B1 (en) | 2010-08-20 | 2014-11-18 | WD Media, LLC | Single layer small grain size FePT:C film for heat assisted magnetic recording media |
| US8767350B2 (en) * | 2010-12-06 | 2014-07-01 | HGST Netherlands B.V. | Magnetic recording medium having recording regions and separating regions and methods of manufacturing the same |
| US8743666B1 (en) | 2011-03-08 | 2014-06-03 | Western Digital Technologies, Inc. | Energy assisted magnetic recording medium capable of suppressing high DC readback noise |
| US8711499B1 (en) | 2011-03-10 | 2014-04-29 | WD Media, LLC | Methods for measuring media performance associated with adjacent track interference |
| US8491800B1 (en) | 2011-03-25 | 2013-07-23 | WD Media, LLC | Manufacturing of hard masks for patterning magnetic media |
| US9028985B2 (en) | 2011-03-31 | 2015-05-12 | WD Media, LLC | Recording media with multiple exchange coupled magnetic layers |
| US8565050B1 (en) | 2011-12-20 | 2013-10-22 | WD Media, LLC | Heat assisted magnetic recording media having moment keeper layer |
| US9029308B1 (en) | 2012-03-28 | 2015-05-12 | WD Media, LLC | Low foam media cleaning detergent |
| US9269480B1 (en) | 2012-03-30 | 2016-02-23 | WD Media, LLC | Systems and methods for forming magnetic recording media with improved grain columnar growth for energy assisted magnetic recording |
| US8941950B2 (en) | 2012-05-23 | 2015-01-27 | WD Media, LLC | Underlayers for heat assisted magnetic recording (HAMR) media |
| US8993134B2 (en) | 2012-06-29 | 2015-03-31 | Western Digital Technologies, Inc. | Electrically conductive underlayer to grow FePt granular media with (001) texture on glass substrates |
| US9034492B1 (en) | 2013-01-11 | 2015-05-19 | WD Media, LLC | Systems and methods for controlling damping of magnetic media for heat assisted magnetic recording |
| US10115428B1 (en) | 2013-02-15 | 2018-10-30 | Wd Media, Inc. | HAMR media structure having an anisotropic thermal barrier layer |
| US9153268B1 (en) | 2013-02-19 | 2015-10-06 | WD Media, LLC | Lubricants comprising fluorinated graphene nanoribbons for magnetic recording media structure |
| US9183867B1 (en) | 2013-02-21 | 2015-11-10 | WD Media, LLC | Systems and methods for forming implanted capping layers in magnetic media for magnetic recording |
| US9196283B1 (en) | 2013-03-13 | 2015-11-24 | Western Digital (Fremont), Llc | Method for providing a magnetic recording transducer using a chemical buffer |
| US9190094B2 (en) | 2013-04-04 | 2015-11-17 | Western Digital (Fremont) | Perpendicular recording media with grain isolation initiation layer and exchange breaking layer for signal-to-noise ratio enhancement |
| US9093122B1 (en) | 2013-04-05 | 2015-07-28 | WD Media, LLC | Systems and methods for improving accuracy of test measurements involving aggressor tracks written to disks of hard disk drives |
| US8947987B1 (en) | 2013-05-03 | 2015-02-03 | WD Media, LLC | Systems and methods for providing capping layers for heat assisted magnetic recording media |
| US8867322B1 (en) | 2013-05-07 | 2014-10-21 | WD Media, LLC | Systems and methods for providing thermal barrier bilayers for heat assisted magnetic recording media |
| US9296082B1 (en) | 2013-06-11 | 2016-03-29 | WD Media, LLC | Disk buffing apparatus with abrasive tape loading pad having a vibration absorbing layer |
| US9406330B1 (en) | 2013-06-19 | 2016-08-02 | WD Media, LLC | Method for HDD disk defect source detection |
| US9607646B2 (en) | 2013-07-30 | 2017-03-28 | WD Media, LLC | Hard disk double lubrication layer |
| US9389135B2 (en) | 2013-09-26 | 2016-07-12 | WD Media, LLC | Systems and methods for calibrating a load cell of a disk burnishing machine |
| US9177585B1 (en) | 2013-10-23 | 2015-11-03 | WD Media, LLC | Magnetic media capable of improving magnetic properties and thermal management for heat-assisted magnetic recording |
| US9581510B1 (en) | 2013-12-16 | 2017-02-28 | Western Digital Technologies, Inc. | Sputter chamber pressure gauge with vibration absorber |
| US9382496B1 (en) | 2013-12-19 | 2016-07-05 | Western Digital Technologies, Inc. | Lubricants with high thermal stability for heat-assisted magnetic recording |
| US9824711B1 (en) | 2014-02-14 | 2017-11-21 | WD Media, LLC | Soft underlayer for heat assisted magnetic recording media |
| US9447368B1 (en) | 2014-02-18 | 2016-09-20 | WD Media, LLC | Detergent composition with low foam and high nickel solubility |
| US9431045B1 (en) | 2014-04-25 | 2016-08-30 | WD Media, LLC | Magnetic seed layer used with an unbalanced soft underlayer |
| US9042053B1 (en) | 2014-06-24 | 2015-05-26 | WD Media, LLC | Thermally stabilized perpendicular magnetic recording medium |
| US9159350B1 (en) | 2014-07-02 | 2015-10-13 | WD Media, LLC | High damping cap layer for magnetic recording media |
| US10054363B2 (en) | 2014-08-15 | 2018-08-21 | WD Media, LLC | Method and apparatus for cryogenic dynamic cooling |
| US9082447B1 (en) | 2014-09-22 | 2015-07-14 | WD Media, LLC | Determining storage media substrate material type |
| US9227324B1 (en) | 2014-09-25 | 2016-01-05 | WD Media, LLC | Mandrel for substrate transport system with notch |
| US9685184B1 (en) | 2014-09-25 | 2017-06-20 | WD Media, LLC | NiFeX-based seed layer for magnetic recording media |
| US8995078B1 (en) | 2014-09-25 | 2015-03-31 | WD Media, LLC | Method of testing a head for contamination |
| US9449633B1 (en) | 2014-11-06 | 2016-09-20 | WD Media, LLC | Smooth structures for heat-assisted magnetic recording media |
| US9818442B2 (en) | 2014-12-01 | 2017-11-14 | WD Media, LLC | Magnetic media having improved magnetic grain size distribution and intergranular segregation |
| US9401300B1 (en) | 2014-12-18 | 2016-07-26 | WD Media, LLC | Media substrate gripper including a plurality of snap-fit fingers |
| US9218850B1 (en) | 2014-12-23 | 2015-12-22 | WD Media, LLC | Exchange break layer for heat-assisted magnetic recording media |
| US9257134B1 (en) | 2014-12-24 | 2016-02-09 | Western Digital Technologies, Inc. | Allowing fast data zone switches on data storage devices |
| US9990940B1 (en) | 2014-12-30 | 2018-06-05 | WD Media, LLC | Seed structure for perpendicular magnetic recording media |
| US9280998B1 (en) | 2015-03-30 | 2016-03-08 | WD Media, LLC | Acidic post-sputter wash for magnetic recording media |
| US9275669B1 (en) | 2015-03-31 | 2016-03-01 | WD Media, LLC | TbFeCo in PMR media for SNR improvement |
| US9822441B2 (en) | 2015-03-31 | 2017-11-21 | WD Media, LLC | Iridium underlayer for heat assisted magnetic recording media |
| US11074934B1 (en) | 2015-09-25 | 2021-07-27 | Western Digital Technologies, Inc. | Heat assisted magnetic recording (HAMR) media with Curie temperature reduction layer |
| US10236026B1 (en) | 2015-11-06 | 2019-03-19 | WD Media, LLC | Thermal barrier layers and seed layers for control of thermal and structural properties of HAMR media |
| US9406329B1 (en) | 2015-11-30 | 2016-08-02 | WD Media, LLC | HAMR media structure with intermediate layer underlying a magnetic recording layer having multiple sublayers |
| US10121506B1 (en) | 2015-12-29 | 2018-11-06 | WD Media, LLC | Magnetic-recording medium including a carbon overcoat implanted with nitrogen and hydrogen |
| US11187764B2 (en) | 2020-03-20 | 2021-11-30 | Allegro Microsystems, Llc | Layout of magnetoresistance element |
| EP4130772B1 (en) | 2021-08-05 | 2025-07-23 | Allegro MicroSystems, LLC | Magnetoresistive element having compensated temperature coefficient of tmr |
| US12248039B2 (en) | 2023-08-08 | 2025-03-11 | Allegro Microsystems, Llc | Interleaving sub-arrays of magnetoresistance elements based on reference directions to compensate for bridge offset |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5377058A (en) | 1992-12-31 | 1994-12-27 | International Business Machines Corporation | Fly height servo control of read/write head suspension |
| US6075683A (en) | 1993-04-26 | 2000-06-13 | International Business Machines Corporation | Disk drive with passive multiple fly height slider and cooperative disk pattern |
| TW279972B (https=) | 1993-06-21 | 1996-07-01 | Komag Inc | |
| JPH0817155A (ja) | 1994-06-30 | 1996-01-19 | Sony Corp | 磁気ディスク |
| US5798164A (en) | 1995-06-23 | 1998-08-25 | Stormedia, Inc. | Zone textured magnetic recording media |
| US5723033A (en) | 1995-09-06 | 1998-03-03 | Akashic Memories Corporation | Discrete track media produced by underlayer laser ablation |
| US6057984A (en) | 1995-10-25 | 2000-05-02 | Mitsubishi Chemical Corporation | Method for data writing/read-out using a contact start and stop system |
| US5870250A (en) | 1996-03-01 | 1999-02-09 | International Business Machines Corporation | Method and apparatus for improving file capacity using different flying height profiles |
| US6020045A (en) | 1996-06-05 | 2000-02-01 | Seagate Technology, Inc. | Textured magnetic recording medium having a transition zone |
| JPH10177718A (ja) * | 1996-12-16 | 1998-06-30 | Sony Corp | 磁気ディスク、磁気ディスク装置及び磁気ディスク用基板の成形方法 |
| JP2933042B2 (ja) | 1996-12-20 | 1999-08-09 | 日本電気株式会社 | 磁気ディスク装置 |
| JPH10283632A (ja) * | 1997-04-07 | 1998-10-23 | Sony Corp | 磁気ディスク、磁気ディスク装置及び磁気ディスク用基板の成形用スタンパの作成方法 |
| US6381090B1 (en) | 1998-05-21 | 2002-04-30 | Komag, Incorporated | Hard disk drive head-media system having reduced stiction and low fly height |
| US6335080B1 (en) | 1999-01-04 | 2002-01-01 | Seagate Technology Llc | Magnetic disk media and disk drives utilizing polymeric disk substrates |
| US6597539B1 (en) | 1999-03-31 | 2003-07-22 | Maxtor Corporation | Suspension assembly for supporting a read/write head over a rotating storage disk with dynamically adjustable fly height |
| US6297932B1 (en) | 1999-07-28 | 2001-10-02 | Maxtor Corporation | Super-textured air bearing surface slider design for data transducers in rotating media random access computer mass storage devices |
| US6473259B1 (en) | 1999-09-24 | 2002-10-29 | Seagate Technology Llc | Disk head height control |
| US6707646B2 (en) | 2000-08-29 | 2004-03-16 | Hitachi Global Storage Technologies Netherlands B.V. | Method and apparatus for dynamically controlling the flying behavior and height of a read/write head in a storage device by manipulating the spring constant of the suspension |
| AU2001290870A1 (en) | 2000-09-12 | 2002-03-26 | Seagate Technology Llc | Method and apparatus for minimizing slider fly heights over patterned media |
| US6627254B1 (en) | 2000-09-20 | 2003-09-30 | Seagate Technology Llc | Method of manufacturing a recording media with mechanically patterned landing zone |
| CN1267897C (zh) | 2000-10-13 | 2006-08-02 | 西加特技术有限责任公司 | 具有带纹理的垫片的磁盘驱动器浮动块 |
| US6680821B2 (en) | 2001-04-18 | 2004-01-20 | Hitachi Global Storage Technologies, The Netherlands B.V. | Slider air bearing surface having improved fly height profile characteristics |
| US7147790B2 (en) * | 2002-11-27 | 2006-12-12 | Komag, Inc. | Perpendicular magnetic discrete track recording disk |
| US20050036223A1 (en) * | 2002-11-27 | 2005-02-17 | Wachenschwanz David E. | Magnetic discrete track recording disk |
| US7016154B2 (en) * | 2003-03-05 | 2006-03-21 | Komag, Inc. | Magnetic recording disk having a safe zone |
-
2003
- 2003-12-19 US US10/742,362 patent/US6967798B2/en not_active Expired - Fee Related
-
2004
- 2004-11-18 DE DE102004055718A patent/DE102004055718A1/de not_active Withdrawn
- 2004-11-30 MY MYPI20044951A patent/MY144001A/en unknown
- 2004-12-17 JP JP2004365870A patent/JP4625322B2/ja not_active Expired - Fee Related
-
2005
- 2005-09-14 US US11/227,297 patent/US7597792B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP4625322B2 (ja) | 2011-02-02 |
| US20050134992A1 (en) | 2005-06-23 |
| US20060006135A1 (en) | 2006-01-12 |
| JP2005182990A (ja) | 2005-07-07 |
| US7597792B2 (en) | 2009-10-06 |
| MY144001A (en) | 2011-07-29 |
| US6967798B2 (en) | 2005-11-22 |
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Legal Events
| Date | Code | Title | Description |
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| R005 | Application deemed withdrawn due to failure to request examination |
Effective date: 20111119 |