Assignee
WD MEDIA LLC
US·54 granted patents·6 pending applications·436 citations·filing 2013–2018
Top patents by PatentIndex Score
60 records- 0197US8787124B1Systems and methods for extracting Curie temperature distribution in heat assisted magnetic recording mediaWD MEDIA LLC·Filed 2013·Granted Jul 22, 2014·62 cites·16 claims
- 0296US8787130B1Systems and methods for providing heat assisted magnetic recording media configured to couple energy from a near field transducerWD MEDIA LLC·Filed 2013·Granted Jul 22, 2014·70 cites·31 claims
- 0395US8817410B1System and method for improving head positioningWD MEDIA LLC·Filed 2013·Granted Aug 26, 2014·46 cites·16 claims
- 0494US9822441B2Iridium underlayer for heat assisted magnetic recording mediaWD MEDIA LLC·Filed 2015·Granted Nov 21, 2017·6 cites·20 claims
- 0594US9406329B1HAMR media structure with intermediate layer underlying a magnetic recording layer having multiple sublayersWD MEDIA LLC·Filed 2015·Granted Aug 2, 2016·21 cites·31 claims
- 0692US9177585B1Magnetic media capable of improving magnetic properties and thermal management for heat-assisted magnetic recordingWD MEDIA LLC·Filed 2013·Granted Nov 3, 2015·20 cites·19 claims
- 0792US8867322B1Systems and methods for providing thermal barrier bilayers for heat assisted magnetic recording mediaWD MEDIA LLC·Filed 2013·Granted Oct 21, 2014·20 cites·25 claims
- 0888US9697859B1Heat-assisted magnetic recording (HAMR) medium including a bi-layer that enables use of lower laser current in write operationsWD MEDIA LLC·Filed 2016·Granted Jul 4, 2017·11 cites·21 claims
- 0987US9824711B1Soft underlayer for heat assisted magnetic recording mediaWD MEDIA LLC·Filed 2014·Granted Nov 21, 2017·11 cites·11 claims
- 1087US9754618B1Heat-assisted magnetic recording (HAMR) medium including a split heat-sink structure (SHSS)WD MEDIA LLC·Filed 2016·Granted Sep 5, 2017·13 cites·22 claims
- 1186US8837065B1Systems and methods for fast measurement of channel performance metrics such as error margin and off-track recording capability in shingled magnetic recordingWD MEDIA LLC·Filed 2013·Granted Sep 16, 2014·9 cites·20 claims
- 1285US10276201B1Dual phase MgO-X seed layers for heat assisted magnetic recording mediaWD MEDIA LLC·Filed 2016·Granted Apr 30, 2019·7 cites·26 claims
- 1384US9542968B1Single layer small grain size FePT:C film for heat assisted magnetic recording mediaWD MEDIA LLC·Filed 2013·Granted Jan 10, 2017·2 cites·11 claims
- 1483US9227324B1Mandrel for substrate transport system with notchWD MEDIA LLC·Filed 2014·Granted Jan 5, 2016·17 cites·16 claims
- 1582US9990940B1Seed structure for perpendicular magnetic recording mediaWD MEDIA LLC·Filed 2014·Granted Jun 5, 2018·9 cites·26 claims
- 1682US9449633B1Smooth structures for heat-assisted magnetic recording mediaWD MEDIA LLC·Filed 2014·Granted Sep 20, 2016·5 cites·22 claims
- 1782US9296082B1Disk buffing apparatus with abrasive tape loading pad having a vibration absorbing layerWD MEDIA LLC·Filed 2013·Granted Mar 29, 2016·8 cites·20 claims
- 1882US9047880B1Heat assisted magnetic recording method for media having moment keeper layerWD MEDIA LLC·Filed 2013·Granted Jun 2, 2015·4 cites·11 claims
- 1981US10276199B1High thermal gradient heatsink for heat assisted magnetic recording mediaWD MEDIA LLC·Filed 2016·Granted Apr 30, 2019·5 cites·20 claims
- 2081US10236026B1Thermal barrier layers and seed layers for control of thermal and structural properties of HAMR mediaWD MEDIA LLC·Filed 2015·Granted Mar 19, 2019·5 cites·34 claims
- 2181US8947987B1Systems and methods for providing capping layers for heat assisted magnetic recording mediaWD MEDIA LLC·Filed 2013·Granted Feb 3, 2015·5 cites·22 claims
- 2280US9953665B1Systems and methods for applying electric fields during ultraviolet exposure of lubricant layers for hard disk mediaWD MEDIA LLC·Filed 2014·Granted Apr 24, 2018·4 cites·28 claims
- 2379US9401300B1Media substrate gripper including a plurality of snap-fit fingersWD MEDIA LLC·Filed 2014·Granted Jul 26, 2016·14 cites·16 claims
- 2477US8929008B1Systems and methods for testing magnetic media disks during manufacturing using sliders with temperature sensorsWD MEDIA LLC·Filed 2013·Granted Jan 6, 2015·4 cites·28 claims
- 2576US9218850B1Exchange break layer for heat-assisted magnetic recording mediaWD MEDIA LLC·Filed 2014·Granted Dec 22, 2015·3 cites·19 claims
- 2676US9159350B1High damping cap layer for magnetic recording mediaWD MEDIA LLC·Filed 2014·Granted Oct 13, 2015·3 cites·21 claims
- 2775US9459174B1Bellows leakage tester and methods for testing bellowsWD MEDIA LLC·Filed 2013·Granted Oct 4, 2016·6 cites·8 claims
- 2875US9190094B2Perpendicular recording media with grain isolation initiation layer and exchange breaking layer for signal-to-noise ratio enhancementWD MEDIA LLC·Filed 2013·Granted Nov 17, 2015·4 cites·18 claims
- 2974US9123387B1Magnetic recording drives with active photocatalytic filtrationWD MEDIA LLC·Filed 2014·Granted Sep 1, 2015·2 cites·20 claims
- 3073US10121506B1Magnetic-recording medium including a carbon overcoat implanted with nitrogen and hydrogenWD MEDIA LLC·Filed 2015·Granted Nov 6, 2018·4 cites·14 claims
- 3173US9296022B1Sonication cleaning systemWD MEDIA LLC·Filed 2013·Granted Mar 29, 2016·1 cites·9 claims
- 3273US9064521B1Manufacturing of hard masks for patterning magnetic mediaWD MEDIA LLC·Filed 2013·Granted Jun 23, 2015·2 cites·10 claims
- 3372US9447368B1Detergent composition with low foam and high nickel solubilityWD MEDIA LLC·Filed 2014·Granted Sep 20, 2016·4 cites·19 claims
- 3471US9818442B2Magnetic media having improved magnetic grain size distribution and intergranular segregationWD MEDIA LLC·Filed 2014·Granted Nov 14, 2017·2 cites·19 claims
- 3570US9685184B1NiFeX-based seed layer for magnetic recording mediaWD MEDIA LLC·Filed 2014·Granted Jun 20, 2017·2 cites·17 claims
- 3670US8995078B1Method of testing a head for contaminationWD MEDIA LLC·Filed 2014·Granted Mar 31, 2015·7 cites·21 claims
- 3768US9093122B1Systems and methods for improving accuracy of test measurements involving aggressor tracks written to disks of hard disk drivesWD MEDIA LLC·Filed 2013·Granted Jul 28, 2015·2 cites·32 claims
- 3867US11074934B1Heat assisted magnetic recording (HAMR) media with Curie temperature reduction layerWD MEDIA LLC·Filed 2015·Granted Jul 27, 2021·1 cites·20 claims
- 3967US9042053B1Thermally stabilized perpendicular magnetic recording mediumWD MEDIA LLC·Filed 2014·Granted May 26, 2015·1 cites·28 claims
- 4066US9984715B2Magnetic disk and manufacturing method thereofWD MEDIA LLC·Filed 2015·Granted May 29, 2018·0 cites·11 claims
- 4166US9025264B1Methods for measuring media performance associated with adjacent track interferenceWD MEDIA LLC·Filed 2014·Granted May 5, 2015·1 cites·15 claims
- 4266US2018233167A1Systems and methods for applying electric fields during ultraviolet exposure of lubricant layers for hard disk mediaWD MEDIA LLC·Filed 2018·Application pending·0 cites
- 4364US9406330B1Method for HDD disk defect source detectionWD MEDIA LLC·Filed 2013·Granted Aug 2, 2016·4 cites·15 claims
- 4461US9339978B1Press system with interleaved embossing foil holders for nano-imprinting of recording mediaWD MEDIA LLC·Filed 2013·Granted May 17, 2016·0 cites·4 claims
- 4561US9123373B1Electrochemical etching of magnetic recording layerWD MEDIA LLC·Filed 2013·Granted Sep 1, 2015·0 cites·17 claims
- 4660US9581510B1Sputter chamber pressure gauge with vibration absorberWD MEDIA LLC·Filed 2014·Granted Feb 28, 2017·3 cites·30 claims
- 4759US9275669B1TbFeCo in PMR media for SNR improvementWD MEDIA LLC·Filed 2015·Granted Mar 1, 2016·2 cites·20 claims
- 4856US9431045B1Magnetic seed layer used with an unbalanced soft underlayerWD MEDIA LLC·Filed 2015·Granted Aug 30, 2016·1 cites·19 claims
- 4956US9177601B1Multiple cleaning processes in a single tankWD MEDIA LLC·Filed 2013·Granted Nov 3, 2015·0 cites·9 claims
- 5054US9389135B2Systems and methods for calibrating a load cell of a disk burnishing machineWD MEDIA LLC·Filed 2014·Granted Jul 12, 2016·2 cites·30 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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