Inventor · disambiguated record
Ronald A. Barr
Also filed as: BARR RONALD · BARR RONALD A · BARR RONALD AVROM
36 granted patents·5,027 citations·filing 1993–2022
99Inventor score
Top patents by PatentIndex Score
36 records- 0199US7111382B1Methods for fabricating redeposition free thin film CPP read sensorsWESTERN DIGITAL FREMONT INC·Filed 2002·Granted Sep 26, 2006·157 cites·18 claims
- 0299US7023658B1Submicron track-width pole-tips for electromagnetic transducersWESTERN DIGITAL FREMONT INC·Filed 2000·Granted Apr 4, 2006·187 cites·43 claims
- 0399US6954332B1Ultra-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
- 0499US6833979B1Structure and method for redeposition free thin film CPP read sensor fabricationWESTERN DIGITAL FREMONT INC·Filed 2002·Granted Dec 21, 2004·180 cites·27 claims
- 0599US6724569B1Thin film writer with multiplayer write gapWESTERN DIGITAL FREMONT INC·Filed 2002·Granted Apr 20, 2004·161 cites·38 claims
- 0699US6687977B2CPP magnetoresistive device and method for making sameWESTERN DIGITAL FREMONT INC·Filed 2001·Granted Feb 10, 2004·157 cites·9 claims
- 0799US6466401B1Thin film write head with interlaced coil winding and method of fabricationREAD RITE CORP·Filed 1999·Granted Oct 15, 2002·242 cites·24 claims
- 0899US6417999B1Magnetoresistive head stabilized structure and method of fabrication thereofREAD RITE CORP·Filed 2000·Granted Jul 9, 2002·177 cites·9 claims
- 0999US6404601B1Merged write head with magnetically isolated poletipREAD RITE CORP·Filed 2000·Granted Jun 11, 2002·181 cites·21 claims
- 1099US6233125B1CPP magnetoresistive device and method for making sameREAD RITE CORP·Filed 2000·Granted May 15, 2001·159 cites·3 claims
- 1198US6958885B1Insulation layer structure for inductive write heads and method of fabricationWESTERN DIGITAL FREMONT INC·Filed 2000·Granted Oct 25, 2005·150 cites·11 claims
- 1298US6765756B1Ultra-short yoke and ultra-low stack height writer and method of fabricationWESTERN DIGITAL FREMONT INC·Filed 1999·Granted Jul 20, 2004·159 cites·22 claims
- 1398US6735850B1Thin film read head structure with improved bias magnet-to-magnetoresistive element interface and method of fabricationWESTERN DIGITAL FREMONT INC·Filed 2002·Granted May 18, 2004·171 cites·30 claims
- 1498US6490125B1Thin film write head with improved yoke to pole stitchREAD RITE CORP·Filed 1999·Granted Dec 3, 2002·160 cites·19 claims
- 1598US6487056B1Thin film read head structure with improved bias magnet-to-magnetoresistive element interface and method of fabricationREAD RITE CORP·Filed 2002·Granted Nov 26, 2002·171 cites·16 claims
- 1698US6433970B1Structure and method for redeposition free thin film CPP read sensor fabricationREAD RITE CORP·Filed 1999·Granted Aug 13, 2002·166 cites·1 claims
- 1798US6421212B1Thin film read head structure with improved bias magnet-to-magnetoresistive element interface and method of fabricationREAD RITE CORP·Filed 1999·Granted Jul 16, 2002·195 cites·7 claims
- 1898US6198609B1CPP Magnetoresistive device with reduced edge effect and method for making sameREAD RITE CORP·Filed 1998·Granted Mar 6, 2001·235 cites·2 claims
- 1998US6134089ACurrent perpendicular to plane magnetoresistive device with low resistance leadREAD RITE CORP·Filed 1999·Granted Oct 17, 2000·213 cites·22 claims
- 2098US6118638ACPP magnetoresistive device and method for making sameREAD RITE CORP·Filed 1998·Granted Sep 12, 2000·159 cites·13 claims
- 2197US6816345B1Magnetoresistive sensors having submicron track widths and method of makingWESTERN DIGITAL FREMONT INC·Filed 2001·Granted Nov 9, 2004·151 cites·20 claims
- 2297US6469877B1Spin valve device with improved exchange layer defined track width and method of fabricationREAD RITE CORP·Filed 1999·Granted Oct 22, 2002·155 cites·34 claims
- 2397US6452742B1Thin film write having reduced resistance conductor coil partially recessed within middle coat insulationREAD RITE CORP·Filed 1999·Granted Sep 17, 2002·182 cites·18 claims
- 2497US6445553B2Method and system for fabricating a high density magnetoresistive deviceREAD RITE CORP·Filed 1999·Granted Sep 3, 2002·150 cites·19 claims
- 2597US6381095B1High performance thin film magnetic write element having high Bsat poles and method for making sameREAD RITE CORP·Filed 1999·Granted Apr 30, 2002·158 cites·34 claims
- 2697US6178066B1Method of fabricating an improved thin film device having a small element with well defined cornersREAD RITE CORP·Filed 1998·Granted Jan 23, 2001·158 cites·48 claims
- 2795US6801408B1Data storage and retrieval apparatus with thin film read head having a planar sensor element and an extra gap and method of fabrication thereofWESTERN DIGITAL FREMONT INC·Filed 2000·Granted Oct 5, 2004·154 cites·17 claims
- 2894US6762910B1Data storage and retrieval apparatus with thin film read head having inset extra gap insulation layer and method of fabricationWESTERN DIGITAL FREMONT INC·Filed 1999·Granted Jul 13, 2004·155 cites·30 claims
- 2992US6657816B1Thin film inductive read/write head with a sloped poleFiled 2001·Granted Dec 2, 2003·164 cites·40 claims
- 3090US8540889B1Methods of generating liquidphobic surfacesHARTLOVE JASON·Filed 2009·Granted Sep 24, 2013·14 cites·8 claims
- 3162US7611440B1Propulsion systemBARR RONALD A·Filed 2006·Granted Nov 3, 2009·6 cites·16 claims
- 3259US5504999AMethod and apparatus for compensating for process variations in an automatic positioning systemREAD RITE CORP·Filed 1994·Granted Apr 9, 1996·15 cites·3 claims
- 3359US5472736AMethod of making a bi-level coil for a thin film magnetic transducerREAD RITE CORP·Filed 1995·Granted Dec 5, 1995·23 cites·2 claims
- 3457US12451468B1III-N devices with improved reliabilityTRANSPHORM TECH INC·Filed 2022·Granted Oct 21, 2025·0 cites·9 claims
- 3547US5254373AProcess of making thin film magnetic headREAD RITE CORP·Filed 1993·Granted Oct 19, 1993·6 cites·7 claims
- 3638US10319648B2Conditions for burn-in of high power semiconductorsTRANSPHORM INC·Filed 2018·Granted Jun 11, 2019·0 cites·35 claims
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