TP

Thomas A. Ponnuswamy

NS Novellus Systems: 30 patents #13 of 780Top 2%
Lam Research: 11 patents #269 of 2,128Top 15%
TL Tokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%
UT University Of North Texas: 1 patents #48 of 174Top 30%
📍 Sherwood, OR: #11 of 276 inventorsTop 4%
🗺 Oregon: #872 of 28,073 inventorsTop 4%
Overall (All Time): #72,091 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
9534308 Protecting anodes from passivation in alloy plating systems Lee Peng Chua, Steven T. Mayer, David W. Porter 2017-01-03
9523155 Enhancement of electrolyte hydrodynamics for efficient mass transfer during electroplating Steven T. Mayer, Bryan L. Buckalew, Haiying Fu, Hilton Diaz Camilo, Robert Rash +1 more 2016-12-20
9476139 Cleaning electroplating substrate holders using reverse current deplating Lee Peng Chua, Steven T. Mayer, Santosh Kumar 2016-10-25
9455139 Methods and apparatus for wetting pretreatment for through resist metal plating Bryan L. Buckalew, Steven T. Mayer, Robert Rash, Brian Paul Blackman, Doug Higley 2016-09-27
9449808 Apparatus for advanced packaging applications Bryan L. Buckalew, Steven T. Mayer, David W. Porter 2016-09-20
9412713 Treatment method of electrodeposited copper for wafer-level-packaging process flow Bryan L. Buckalew, Steven T. Mayer, David W. Porter 2016-08-09
9359688 Apparatuses and methods for controlling PH in electroplating baths Lee Peng Chua, Mark L. Rea, Steven T. Mayer 2016-06-07
9221081 Automated cleaning of wafer plating assembly Steven T. Mayer, Lee Peng Chua, Robert Rash 2015-12-29
8703615 Copper electroplating process for uniform across wafer deposition and void free filling on ruthenium coated wafers John Sukamto, Jonathan D. Reid, Steven T. Mayer, Huanfeng Zhu 2014-04-22
8513124 Copper electroplating process for uniform across wafer deposition and void free filling on semi-noble metal coated wafers John Sukamto, Jonathan D. Reid, Steven T. Mayer 2013-08-20
8500983 Pulse sequence for plating on thin seed layers Bryan Pennington, Clifford Raymond Berry, Bryan L. Buckalew, Steven T. Mayer 2013-08-06
8308931 Method and apparatus for electroplating Jonathan D. Reid, Bryan L. Buckalew, Zhian He, Seyang Park, Seshasayee Varadarajan +4 more 2012-11-13
8076241 Methods for multi-step copper plating on a continuous ruthenium film in recessed features Frank M. Cerio, Jr., Shigeru Mizuno, Jonathan D. Reid 2011-12-13
7964506 Two step copper electroplating process with anneal for uniform across wafer deposition and void free filling on ruthenium coated wafers John Sukamto, Jonathan D. Reid, Steve Mayer 2011-06-21
7247554 Method of making integrated circuits using ruthenium and its oxides as a Cu diffusion barrier Oliver Ming-Ren Chyan 2007-07-24
6773571 Method and apparatus for uniform electroplating of thin metal seeded wafers using multiple segmented virtual anode sources Steven T. Mayer, Evan E. Patton, Brian Paul Blackman, Jonathan D. Reid, Harold D. Perry 2004-08-10
6755954 Electrochemical treatment of integrated circuit substrates using concentric anodes and variable field shaping elements Steven T. Mayer, Timothy Cleary, Michael J. Janicki, Edmund Minshall 2004-06-29