Assignee
WESTERN DIGITAL FREMONT INC
US·122 granted patents·19,032 citations·filing 1996–2005
Top patents by PatentIndex Score
122 records- 0199US7248449B1Magnetoresistive read sensor with reduced effective shield-to-shield spacingWESTERN DIGITAL FREMONT INC·Filed 2004·Granted Jul 24, 2007·162 cites·39 claims
- 0299US7248433B1Magnetic head with stitched top pole layer and single layer coil or solenoidal coilWESTERN DIGITAL FREMONT INC·Filed 2004·Granted Jul 24, 2007·166 cites·19 claims
- 0399US7199975B1Magnetic head for perpendicular recording with hard bias structure for write pole tipWESTERN DIGITAL FREMONT INC·Filed 2004·Granted Apr 3, 2007·169 cites·29 claims
- 0499US7193815B1Shielded pole magnetic head for perpendicular recordingWESTERN DIGITAL FREMONT INC·Filed 2004·Granted Mar 20, 2007·183 cites·25 claims
- 0599US7134185B1Method of making narrow track width magnetoresistive sensorWESTERN DIGITAL FREMONT INC·Filed 2004·Granted Nov 14, 2006·160 cites·24 claims
- 0699US7126788B1Trailing edge recording magnetic head with reversed double bias coil and deflection pole for perpendicular recording with a non-perpendicular write fieldWESTERN DIGITAL FREMONT INC·Filed 2003·Granted Oct 24, 2006·182 cites·35 claims
- 0799US7111382B1Methods for fabricating redeposition free thin film CPP read sensorsWESTERN DIGITAL FREMONT INC·Filed 2002·Granted Sep 26, 2006·157 cites·18 claims
- 0899US7092195B1Method of using a magnetic write head having an internal heaterWESTERN DIGITAL FREMONT INC·Filed 2004·Granted Aug 15, 2006·189 cites·11 claims
- 0999US7023658B1Submicron track-width pole-tips for electromagnetic transducersWESTERN DIGITAL FREMONT INC·Filed 2000·Granted Apr 4, 2006·187 cites·43 claims
- 1099US7007372B1Method for making high speed, high areal density inductive write structureWESTERN DIGITAL FREMONT INC·Filed 2003·Granted Mar 7, 2006·153 cites·20 claims
- 1199US6987643B1Pole structure to relieve adjacent track writingWESTERN DIGITAL FREMONT INC·Filed 2001·Granted Jan 17, 2006·155 cites·8 claims
- 1299US6954332B1Ultra-short yoke and ultra-low stack height writer and method of fabricationWESTERN DIGITAL FREMONT INC·Filed 2002·Granted Oct 11, 2005·156 cites·25 claims
- 1399US6934113B1Method and system for providing dynamic actuation of a write head using a strain elementWESTERN DIGITAL FREMONT INC·Filed 2004·Granted Aug 23, 2005·158 cites·23 claims
- 1499US6912106B1Writer with a hot seed zero throat and substantially flat top poleWESTERN DIGITAL FREMONT INC·Filed 2002·Granted Jun 28, 2005·182 cites·24 claims
- 1599US6833979B1Structure and method for redeposition free thin film CPP read sensor fabricationWESTERN DIGITAL FREMONT INC·Filed 2002·Granted Dec 21, 2004·180 cites·27 claims
- 1699US6809899B1Magnetic heads for perpendicular recording with trapezoidal pole tipsWESTERN DIGITAL FREMONT INC·Filed 2003·Granted Oct 26, 2004·266 cites·25 claims
- 1799US6756071B1Method for manufacturing a GMR spin valve having a smooth interface between magnetic and non-magnetic layersWESTERN DIGITAL FREMONT INC·Filed 2002·Granted Jun 29, 2004·146 cites·17 claims
- 1899US6724569B1Thin film writer with multiplayer write gapWESTERN DIGITAL FREMONT INC·Filed 2002·Granted Apr 20, 2004·161 cites·38 claims
- 1999US6700759B1Narrow track width magnetoresistive sensor and method of makingWESTERN DIGITAL FREMONT INC·Filed 2000·Granted Mar 2, 2004·189 cites·23 claims
- 2099US6687977B2CPP magnetoresistive device and method for making sameWESTERN DIGITAL FREMONT INC·Filed 2001·Granted Feb 10, 2004·157 cites·9 claims
- 2198US7239478B1Write element for perpendicular recording in a data storage systemWESTERN DIGITAL FREMONT INC·Filed 2004·Granted Jul 3, 2007·189 cites·87 claims
- 2298US7212384B1Magnetic read head with recessed hard bias and current leadsWESTERN DIGITAL FREMONT INC·Filed 2004·Granted May 1, 2007·156 cites·24 claims
- 2398US7211339B1Highly conductive lead adjoining MR stripe and extending beyond stripe height at junctionWESTERN DIGITAL FREMONT INC·Filed 2002·Granted May 1, 2007·153 cites·10 claims
- 2498US7199974B1Read/write head with reduced pole tip protrusionWESTERN DIGITAL FREMONT INC·Filed 2004·Granted Apr 3, 2007·154 cites·20 claims
- 2598US7177117B1Magnetically soft, high saturation magnetization laminates of iron-cobalt-nitrogen and iron-nickel for magnetic head pole layersWESTERN DIGITAL FREMONT INC·Filed 2004·Granted Feb 13, 2007·171 cites·45 claims
- 2698US7170725B1Magnetic sensor having an aluminum-nitride seed layer for an anti-ferromagnetic layerWESTERN DIGITAL FREMONT INC·Filed 2004·Granted Jan 30, 2007·154 cites·26 claims
- 2798US7126790B1Magnetic head for perpendicular recording with magnetic loop providing non-perpendicular write fieldWESTERN DIGITAL FREMONT INC·Filed 2003·Granted Oct 24, 2006·168 cites·37 claims
- 2898US7113366B1Double-nosed inductive transducer with reduced off-track writingWESTERN DIGITAL FREMONT INC·Filed 2002·Granted Sep 26, 2006·156 cites·6 claims
- 2998US7057857B1Dimple pivot post for a rotary co-located microactuatorWESTERN DIGITAL FREMONT INC·Filed 2002·Granted Jun 6, 2006·219 cites·31 claims
- 3098US7035046B1System and method for minimizing thermal pole tip protrusionWESTERN DIGITAL FREMONT INC·Filed 2002·Granted Apr 25, 2006·170 cites·36 claims
- 3198US7027274B1Spin-dependent tunneling read/write sensor for hard disk drivesWESTERN DIGITAL FREMONT INC·Filed 2001·Granted Apr 11, 2006·153 cites·18 claims
- 3298US6961221B1Piezoelectric microactuators with substantially fixed axis of rotation and magnified strokeWESTERN DIGITAL FREMONT INC·Filed 2001·Granted Nov 1, 2005·213 cites·21 claims
- 3398US6958885B1Insulation layer structure for inductive write heads and method of fabricationWESTERN DIGITAL FREMONT INC·Filed 2000·Granted Oct 25, 2005·150 cites·11 claims
- 3498US6944938B1Method of forming a magnetoresistive deviceWESTERN DIGITAL FREMONT INC·Filed 2004·Granted Sep 20, 2005·158 cites·8 claims
- 3598US6942824B1UV curable and electrically conductive adhesive for bonding magnetic disk drive componentsWESTERN DIGITAL FREMONT INC·Filed 2002·Granted Sep 13, 2005·172 cites·44 claims
- 3698US6943993B2Magnetic recording head with a side shield structure for controlling side reading of thin film read sensorWESTERN DIGITAL FREMONT INC·Filed 2003·Granted Sep 13, 2005·189 cites·21 claims
- 3798US6934129B1Magnetoresistive sensor with overlapping lead layers including alpha tantalum and conductive layersWESTERN DIGITAL FREMONT INC·Filed 2002·Granted Aug 23, 2005·160 cites·21 claims
- 3898US6906894B2Write head having a recessed, magnetic adjunct pole formed atop a main pole, and method of making the sameWESTERN DIGITAL FREMONT INC·Filed 2004·Granted Jun 14, 2005·166 cites·19 claims
- 3998US6894877B1Compact MR write structureWESTERN DIGITAL FREMONT INC·Filed 2002·Granted May 17, 2005·151 cites·12 claims
- 4098US6894871B2Technique for reducing pole tip protrusion in a magnetic write head and GMR stripe temperature in an associated read head structure utilizing one or more internal diffuser regionsWESTERN DIGITAL FREMONT INC·Filed 2002·Granted May 17, 2005·155 cites·29 claims
- 4198US6888704B1Method and system for providing high sensitivity giant magnetoresistive sensorsWESTERN DIGITAL FREMONT INC·Filed 2003·Granted May 3, 2005·173 cites·18 claims
- 4298US6873494B2Write head with high moment film layer having tapered portion extending beyond write gap layerWESTERN DIGITAL FREMONT INC·Filed 2002·Granted Mar 29, 2005·148 cites·19 claims
- 4398US6870712B2Inductive writer with flat top pole and pedestal defined zero throatWESTERN DIGITAL FREMONT INC·Filed 2001·Granted Mar 22, 2005·171 cites·6 claims
- 4498US6829819B1Method of forming a magnetoresistive deviceWESTERN DIGITAL FREMONT INC·Filed 2001·Granted Dec 14, 2004·187 cites·8 claims
- 4598US6807332B1Piezoelectric actuated optical switchWESTERN DIGITAL FREMONT INC·Filed 2001·Granted Oct 19, 2004·157 cites·13 claims
- 4698US6807030B1Enclosed piezoelectric microactuators coupled between head and suspensionWESTERN DIGITAL FREMONT INC·Filed 2001·Granted Oct 19, 2004·166 cites·24 claims
- 4798US6803615B1Magnetic tunnel junction MRAM with improved stabilityWESTERN DIGITAL FREMONT INC·Filed 2001·Granted Oct 12, 2004·188 cites·47 claims
- 4898US6798616B1Write head architecture for improved manufacturabilityWESTERN DIGITAL FREMONT INC·Filed 2001·Granted Sep 28, 2004·154 cites·20 claims
- 4998US6791793B1Perpendicular recording write head having a recessed magnetic adjunct pole and method of making the sameWESTERN DIGITAL FREMONT INC·Filed 2001·Granted Sep 14, 2004·193 cites·20 claims
- 5098US6785955B1Method for providing pedestal-defined zero throat writerWESTERN DIGITAL FREMONT INC·Filed 2001·Granted Sep 7, 2004·151 cites·6 claims
Showing the top 50 of 122 patent records by PatentIndex Score.
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