WL

Wei-Sheng Lei

Applied Materials: 106 patents #35 of 7,310Top 1%
📍 San Jose, CA: #220 of 32,062 inventorsTop 1%
🗺 California: #1,951 of 386,348 inventorsTop 1%
Overall (All Time): #12,511 of 4,157,543Top 1%
107
Patents All Time

Issued Patents All Time

Showing 76–100 of 107 patents

Patent #TitleCo-InventorsDate
9041198 Maskless hybrid laser scribing and plasma etching wafer dicing process Brad Eaton, James S. Papanu, Ajay Kumar 2015-05-26
9018079 Wafer dicing using hybrid laser scribing and plasma etch approach with intermediate reactive post mask-opening clean Brad Eaton, Madhava Rao Yalamanchili, Ajay Kumar 2015-04-28
9012305 Wafer dicing using hybrid laser scribing and plasma etch approach with intermediate non-reactive post mask-opening clean Jungrae Park, James S. Papanu, Brad Eaton, Ajay Kumar 2015-04-21
8991329 Wafer coating Jungrae Park, Prabhat Kumar, James S. Papanu, Brad Eaton, Ajay Kumar 2015-03-31
8993414 Laser scribing and plasma etch for high die break strength and clean sidewall Brad Eaton, Saravjeet Singh, Madhava Rao Yalamanchili, Tong Liu, Ajay Kumar 2015-03-31
8980727 Substrate patterning using hybrid laser scribing and plasma etching processing schemes Brad Eaton, Ajay Kumar 2015-03-17
8980726 Substrate dicing by laser ablation and plasma etch damage removal for ultra-thin wafers Aparna Iyer, Brad Eaton, Madhava Rao Yalamanchili, Ajay Kumar 2015-03-17
8975163 Laser-dominated laser scribing and plasma etch hybrid wafer dicing James S. Papanu, Brad Eaton, Ajay Kumar 2015-03-10
8975162 Wafer dicing from wafer backside Brad Eaton, Aparna Iyer, Saravjeet Singh, Madhava Rao Yalamanchili, Ajay Kumar 2015-03-10
8969177 Laser and plasma etch wafer dicing with a double sided UV-curable adhesive film Mohammad Kamruzzaman Chowdhury, Todd Egan, Brad Eaton, Madhava Rao Yalamanchili, Ajay Kumar 2015-03-03
8951819 Wafer dicing using hybrid split-beam laser scribing process with plasma etch Brad Eaton, Madhava Rao Yalamanchili, Saravjeet Singh, Ajay Kumar, Aparna Iyer 2015-02-10
8946057 Laser and plasma etch wafer dicing using UV-curable adhesive film Mohammad Kamruzzaman Chowdhury, Todd Egan, Brad Eaton, Madhava Rao Yalamanchili, Ajay Kumar 2015-02-03
8940619 Method of diced wafer transportation Brad Eaton, Aparna Iyer, Saravjeet Singh, Todd Egan, Ajay Kumar +1 more 2015-01-27
8932939 Water soluble mask formation by dry film lamination James S. Papanu, Brad Eaton, Ajay Kumar 2015-01-13
8927393 Water soluble mask formation by dry film vacuum lamination for laser and plasma dicing James S. Papanu, Prabhat Kumar, Brad Eaton, Ajay Kumar 2015-01-06
8912078 Dicing wafers having solder bumps on wafer backside James S. Papanu, Aparna Iyer, Brad Eaton, Ajay Kumar 2014-12-16
8912075 Wafer edge warp supression for thin wafer supported by tape frame Brad Eaton, Ajay Kumar 2014-12-16
8912077 Hybrid laser and plasma etch wafer dicing using substrate carrier Saravjeet Singh, Brad Eaton, Ajay Kumar, James M. Holden, Madhava Rao Yalamanchili +1 more 2014-12-16
8883614 Wafer dicing with wide kerf by laser scribing and plasma etching hybrid approach Brad Eaton, Apama Iyer, Madhava Rao Yalamanchili, Ajay Kumar 2014-11-11
8883615 Approaches for cleaning a wafer during hybrid laser scribing and plasma etching wafer dicing processes James M. Holden, James S. Papanu, Ajay Kumar 2014-11-11
8859397 Method of coating water soluble mask for laser scribing and plasma etch Brad Eaton, Aparna Iyer, Todd Egan, Madhava Rao Yalamanchili, Ajay Kumar 2014-10-14
8853056 Wafer dicing using femtosecond-based laser and plasma etch Brad Eaton, Madhava Rao Yalamanchili, Saravjeet Singh, Ajay Kumar, James M. Holden 2014-10-07
8845854 Laser, plasma etch, and backside grind process for wafer dicing Brad Eaton, Madhava Rao Yalamanchili, Saravjeet Singh, Ajay Kumar 2014-09-30
8846498 Wafer dicing using hybrid multi-step laser scribing process with plasma etch Brad Eaton, Madhava Rao Yalamanchili, Saravjeet Singh, Ajay Kumar 2014-09-30
8703581 Water soluble mask for substrate dicing by laser and plasma etch Saravjeet Singh, Madhava Rao Yalamanchili, Brad Eaton, Ajay Kumar 2014-04-22