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Purushottam Kumar
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Methods and apparatuses for showerhead backside parasitic plasma suppression in a secondary purge enabled ALD system
A Lavoie, H Kang, P Kumar, S Swaminathan, J Qian, F Pasquale, ...
US Patent 9,617,638, 2017
3992017
Methods and apparatuses for showerhead backside parasitic plasma suppression in a secondary purge enabled ald system
A Lavoie, H Kang, P Kumar, S Swaminathan, J Qian, F Pasquale, ...
US Patent App. 14/447,203, 2016
3992016
Ultrathin atomic layer deposition film accuracy thickness control
J Qian, H Kang, A Lavoie, S Matsuyama, P Kumar
US Patent App. 14/664,545, 2016
394*2016
Selective atomic layer deposition for gapfill using sacrificial underlayer
FS Ou, P Kumar, A Lavoie, I Karim, J Qian
US Patent App. 15/253,301, 2018
3872018
Selective atomic layer deposition for gapfill using sacrificial underlayer
FS Ou, P Kumar, A Lavoie, I Karim, J Qian
US Patent App. 15/253,301, 2018
3872018
Selective atomic layer deposition with post-dose treatment
P Kumar, A Lavoie, I Karim, J Qian, FL Pasquale, BJ Van Schravendijk
US Patent App. 15/201,221, 2018
3522018
Selective atomic layer deposition with post-dose treatment
P Kumar, A Lavoie, I Karim, J Qian, FL Pasquale, BJ Van Schravendijk
US Patent App. 15/201,221, 2018
3522018
Dielectric gapfill of high aspect ratio features utilizing a sacrificial etch cap layer
J Abel, P Agarwal, R Phillips, P Kumar, A Lavoie
US Patent App. 15/703,917, 2019
3332019
Systems and methods for vapor delivery in a substrate processing system
J Qian, H Kang, P Kumar, C Baldasseroni, H Landis, AK Duvall, M Sabri, ...
US Patent 9,970,108, 2018
2102018
Systems and methods for vapor delivery
J Qian, H Kang, P Kumar, C Baldasseroni, H Landis, AK Duvall, M Sabri, ...
US Patent App. 14/798,652, 2016
210*2016
High dry etch rate materials for semiconductor patterning applications
A Mahorowala, I Karim, P Kumar, S Swaminathan, A Lavoie
US Patent App. 10/074,543, 2018
159*2018
Improved Transfer of Graphene for Gated-Schottky-Junction, Vertical, Organic, Field-Effect Transistors
MG Lemaitre, EP Donoghue, MA McCarthy, B Liu, S Tongay, B Gila, ...
ACS nano, 2012
1242012
Dynamic precursor dosing for atomic layer deposition
P Kumar, A Lavoie, J Qian, H Kang, I Karim, FS Ou
US Patent App. 10/094,018, 2018
72*2018
ZnO incorporated LiFePO4 for high rate electrochemical performance in lithium ion rechargeable batteries
J Lee, P Kumar, J Lee, BM Moudgil, RK Singh
Journal of Alloys and Compounds 550, 536-544, 2013
472013
Low Temperature Wet Etching to Reveal Sub-surface Damage in Sapphire Substrates
P Kumar, J Lee, G Lee, S Rao, D Singh, RK Singh
Applied Surface Science, 2013
452013
Electrochemical enhancement of LiFePO4 as a cathode material by incorporating Cu flakes for lithium ion rechargeable battery
J Lee, P Kumar, BM Moudgil, RK Singh
Solid State Ionics 231, 18-24, 2013
392013
Atomic layer etch methods and hardware for patterning applications
P Agarwal, P Kumar, A Lavoie
US Patent 9,997,371, 2018
322018
Methods of modulating residual stress in thin films
P Kumar, H Kang, J Qian, A Lavoie
US Patent App. 14/708,050, 2016
272016
HIGH LIGHT EXTRACTION EFFICIENCY SOLID STATE LIGHT SOURCES
WO Patent WO/2010/144,591, 2010
27*2010
Atomic layer etch, reactive precursors and energetic sources for patterning applications
A Lavoie, P Agarwal, P Kumar
US Patent App. 15/955,099, 2018
262018
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