Inventor · disambiguated record
Vinod R. Purayath
Also filed as: PURAYATH VINOD · PURAYATH VINOD R · PURAYATH VINOD ROBERT
85 granted patents·8 pending applications·2,594 citations·filing 2007–2024
99Inventor score
Files withSANDISK TECHNOLOGIES INC26APPLIED MATERIALS INC19SUNRISE MEMORY CORP12PURAYATH VINOD ROBERT8SANDISK CORP8
Top patents by PatentIndex Score
93 records- 0199US10319739B2Accommodating imperfectly aligned memory holesAPPLIED MATERIALS INC·Filed 2018·Granted Jun 11, 2019·68 cites·16 claims
- 0299US9960045B1Charge-trap layer separation and word-line isolation for enhanced 3-D NAND structureAPPLIED MATERIALS INC·Filed 2017·Granted May 1, 2018·113 cites·15 claims
- 0399US9773695B2Integrated bit-line airgap formation and gate stack post cleanAPPLIED MATERIALS INC·Filed 2016·Granted Sep 26, 2017·113 cites·15 claims
- 0499US9449846B2Vertical gate separationAPPLIED MATERIALS INC·Filed 2015·Granted Sep 20, 2016·133 cites·15 claims
- 0599US9396989B2Air gaps between copper linesAPPLIED MATERIALS INC·Filed 2014·Granted Jul 19, 2016·144 cites·15 claims
- 0699US9165786B1Integrated oxide and nitride recess for better channel contact in 3D architecturesAPPLIED MATERIALS INC·Filed 2014·Granted Oct 20, 2015·184 cites·15 claims
- 0799US9159606B1Metal air gapAPPLIED MATERIALS INC·Filed 2014·Granted Oct 13, 2015·201 cites·15 claims
- 0899US9136273B1Flash gate air gapAPPLIED MATERIALS INC·Filed 2014·Granted Sep 15, 2015·184 cites·15 claims
- 0999US8187936B2Ultrahigh density vertical NAND memory device and method of making thereofALSMEIER JOHANN·Filed 2010·Granted May 29, 2012·304 cites·18 claims
- 1098US11839086B23-dimensional memory string array of thin-film ferroelectric transistorsSUNRISE MEMORY CORP·Filed 2022·Granted Dec 5, 2023·5 cites·66 claims
- 1198US9496167B2Integrated bit-line airgap formation and gate stack post cleanAPPLIED MATERIALS INC·Filed 2014·Granted Nov 15, 2016·132 cites·5 claims
- 1298US9378978B2Integrated oxide recess and floating gate fin trimmingAPPLIED MATERIALS INC·Filed 2014·Granted Jun 28, 2016·132 cites·15 claims
- 1398US9263278B2Dopant etch selectivity controlAPPLIED MATERIALS INC·Filed 2014·Granted Feb 16, 2016·150 cites·15 claims
- 1498US9252151B2Three dimensional NAND device with birds beak containing floating gates and method of making thereofSANDISK TECHNOLOGIES INC·Filed 2014·Granted Feb 2, 2016·60 cites·33 claims
- 1598US8928061B2Three dimensional NAND device with silicide containing floating gatesSANDISK TECHNOLOGIES INC·Filed 2014·Granted Jan 6, 2015·72 cites·11 claims
- 1698US8461641B2Ultrahigh density vertical NAND memory device and method of making thereofSANDISK TECHNOLOGIES INC·Filed 2012·Granted Jun 11, 2013·42 cites·15 claims
- 1798US8330208B2Ultrahigh density monolithic three dimensional vertical NAND string memory device and method of making thereofALSMEIER JOHANN·Filed 2012·Granted Dec 11, 2012·46 cites·14 claims
- 1897US11844204B2Process for preparing a channel region of a thin-film transistor in a 3-dimensional thin-film transistor arraySUNRISE MEMORY CORP·Filed 2022·Granted Dec 12, 2023·3 cites·21 claims
- 1997US9165940B2Three dimensional NAND device with silicide containing floating gates and method of making thereofSANDISK TECHNOLOGIES INC·Filed 2014·Granted Oct 20, 2015·36 cites·20 claims
- 2097US8383479B2Integrated nanostructure-based non-volatile memory fabricationSANDISK TECHNOLOGIES INC·Filed 2010·Granted Feb 26, 2013·33 cites·47 claims
- 2196US8603890B2Air gap isolation in non-volatile memoryPURAYATH VINOD ROBERT·Filed 2011·Granted Dec 10, 2013·26 cites·24 claims
- 2296US8546239B2Methods of fabricating non-volatile memory with air gapsHARARI ELI·Filed 2011·Granted Oct 1, 2013·31 cites·38 claims
- 2395US10529737B2Accommodating imperfectly aligned memory holesAPPLIED MATERIALS INC·Filed 2019·Granted Jan 7, 2020·8 cites·19 claims
- 2495US10468259B2Charge-trap layer separation and word-line isolation in a 3-D NAND structureAPPLIED MATERIALS INC·Filed 2018·Granted Nov 5, 2019·10 cites·17 claims
- 2595US10325923B2Accommodating imperfectly aligned memory holesAPPLIED MATERIALS INC·Filed 2018·Granted Jun 18, 2019·8 cites·16 claims
- 2695US8778749B2Air isolation in high density non-volatile memoryPACHAMUTHU JAYAVEL·Filed 2012·Granted Jul 15, 2014·27 cites·20 claims
- 2795US8492224B2Metal control gate structures and air gap isolation in non-volatile memoryPURAYATH VINOD ROBERT·Filed 2011·Granted Jul 23, 2013·19 cites·15 claims
- 2894US10790298B2Methods and apparatus for three-dimensional NAND structure fabricationAPPLIED MATERIALS INC·Filed 2019·Granted Sep 29, 2020·9 cites·15 claims
- 2994US10541246B23D flash memory cells which discourage cross-cell electrical tunnelingAPPLIED MATERIALS INC·Filed 2018·Granted Jan 21, 2020·8 cites·20 claims
- 3094US9460958B2Air gap isolation in non-volatile memorySANDISK TECHNOLOGIES INC·Filed 2013·Granted Oct 4, 2016·15 cites·22 claims
- 3194US8823075B2Select gate formation for nanodot flat cellSANDISK TECHNOLOGIES INC·Filed 2012·Granted Sep 2, 2014·21 cites·7 claims
- 3294US7723186B2Method of forming memory with floating gates including self-aligned metal nanodots using a coupling layerSANDISK CORP·Filed 2007·Granted May 25, 2010·26 cites·19 claims
- 3393US11917821B2Process for a 3-dimensional array of horizontal nor-type memory stringsSUNRISE MEMORY CORP·Filed 2021·Granted Feb 27, 2024·2 cites·31 claims
- 3493US8987087B2Three dimensional NAND device with birds beak containing floating gates and method of making thereofSANDISK TECHNOLOGIES INC·Filed 2014·Granted Mar 24, 2015·14 cites·9 claims
- 3593US8969153B2NAND string containing self-aligned control gate sidewall claddingSANDISK TECHNOLOGIES INC·Filed 2013·Granted Mar 3, 2015·14 cites·8 claims
- 3692US11515309B2Process for preparing a channel region of a thin-film transistor in a 3-dimensional thin-film transistor arraySUNRISE MEMORY CORP·Filed 2020·Granted Nov 29, 2022·2 cites·19 claims
- 3792US9698149B2Non-volatile memory with flat cell structures and air gap isolationSANDISK TECHNOLOGIES INC·Filed 2015·Granted Jul 4, 2017·9 cites·20 claims
- 3892US8097498B2Damascene method of making a nonvolatile memory devicePURAYATH VINOD ROBERT·Filed 2010·Granted Jan 17, 2012·16 cites·13 claims
- 3991US8105867B2Self-aligned three-dimensional non-volatile memory fabricationMATAMIS GEORGE·Filed 2009·Granted Jan 31, 2012·22 cites·21 claims
- 4091US7615447B2Composite charge storage structure formation in non-volatile memory using etch stop technologiesSANDISK CORP·Filed 2007·Granted Nov 10, 2009·17 cites·22 claims
- 4188US11217600B2Process for a 3-dimensional array of horizontal NOR-type memory stringsSUNRISE MEMORY CORP·Filed 2020·Granted Jan 4, 2022·2 cites·33 claims
- 4288US9123890B2Resistance-switching memory cell with multiple raised structures in a bottom electrodeSANDISK 3D LLC·Filed 2013·Granted Sep 1, 2015·5 cites·20 claims
- 4388US8946048B2Method of fabricating non-volatile memory with flat cell structures and air gap isolationPURAYATH VINOD ROBERT·Filed 2011·Granted Feb 3, 2015·9 cites·23 claims
- 4486US9466644B2Resistance-switching memory cell with multiple raised structures in a bottom electrodeSANDISK 3D LLC·Filed 2015·Granted Oct 11, 2016·4 cites·16 claims
- 4586US7919809B2Dielectric layer above floating gate for reducing leakage currentSANDISK CORP·Filed 2008·Granted Apr 5, 2011·12 cites·19 claims
- 4685US9123714B2Metal layer air gap formationSANDISK TECHNOLOGIES INC·Filed 2013·Granted Sep 1, 2015·7 cites·21 claims
- 4782US9331181B2Nanodot enhanced hybrid floating gate for non-volatile memory devicesSANDISK TECHNOLOGIES INC·Filed 2013·Granted May 3, 2016·6 cites·10 claims
- 4882US8575000B2Copper interconnects separated by air gaps and method of making thereofPURAYATH VINOD R·Filed 2011·Granted Nov 5, 2013·8 cites·3 claims
- 4982US8193055B1Method of forming memory with floating gates including self-aligned metal nanodots using a polymer solutionPURAYATH VINOD ROBERT·Filed 2007·Granted Jun 5, 2012·9 cites·24 claims
- 5080US8946022B2Integrated nanostructure-based non-volatile memory fabricationSANDISK TECHNOLOGIES INC·Filed 2013·Granted Feb 3, 2015·4 cites·16 claims
Showing the top 50 of 93 patent records by PatentIndex Score.
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