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 51–75 of 107 patents

Patent #TitleCo-InventorsDate
9245802 Wafer dicing using femtosecond-based laser and plasma etch Brad Eaton, Madhava Rao Yalamanchili, Saravjeet Singh, Ajay Kumar, James M. Holden 2016-01-26
9245803 Hybrid wafer dicing approach using a bessel beam shaper laser scribing process and plasma etch process Jungrae Park, James S. Papanu, Brad Eaton, Ajay Kumar 2016-01-26
9236305 Wafer dicing with etch chamber shield ring for film frame wafer applications Saravjeet Singh, Jivko Dinev, Aparna Iyer, Brad Eaton, Ajay Kumar 2016-01-12
9224650 Wafer dicing from wafer backside and front side Brad Eaton, Ajay Kumar 2015-12-29
9224625 Laser and plasma etch wafer dicing using water-soluble die attach film Madhava Rao Yalamanchili, Brad Eaton, Saravjeet Singh, Ajay Kumar 2015-12-29
9218992 Hybrid laser and plasma etch wafer dicing using substrate carrier Saravjeet Singh, Brad Eaton, Ajay Kumar, James M. Holden, Madhava Rao Yalamanchili +1 more 2015-12-22
9209084 Maskless hybrid laser scribing and plasma etching wafer dicing process Brad Eaton, James S. Papanu, Ajay Kumar 2015-12-08
9196536 Hybrid wafer dicing approach using a phase modulated laser beam profile laser scribing process and plasma etch process Jungrae Park, James S. Papanu, Brad Eaton, Ajay Kumar 2015-11-24
9177864 Method of coating water soluble mask for laser scribing and plasma etch Brad Eaton, Aparna Iyer, Todd Egan, Madhava Rao Yalamanchili, Ajay Kumar 2015-11-03
9177861 Hybrid wafer dicing approach using laser scribing process based on an elliptical laser beam profile or a spatio-temporal controlled laser beam profile Jungrae Park, James S. Papanu, Brad Eaton, Ajay Kumar 2015-11-03
9165832 Method of die singulation using laser ablation and induction of internal defects with a laser James S. Papanu, Jungrae Park, Alexander Lerner, Brad Eaton, Ajay Kumar 2015-10-20
9159621 Dicing tape protection for wafer dicing using laser scribe process Brad Eaton, Ajay Kumar 2015-10-13
9159624 Vacuum lamination of polymeric dry films for wafer dicing using hybrid laser scribing and plasma etch approach Prabhat Kumar, James S. Papanu, Brad Eaton, Ajay Kumar 2015-10-13
9142459 Wafer dicing using hybrid laser scribing and plasma etch approach with mask application by vacuum lamination Prabhat Kumar, Brad Eaton, Ajay Kumar 2015-09-22
9130057 Hybrid dicing process using a blade and laser Prabhat Kumar, James S. Papanu, Brad Eaton, Ajay Kumar 2015-09-08
9126285 Laser and plasma etch wafer dicing using physically-removable mask Saravjeet Singh, Madhava Rao Yalamanchili, Brad Eaton, Ajay Kumar 2015-09-08
9129904 Wafer dicing using pulse train laser with multiple-pulse bursts and plasma etch Saravjeet Singh, Madhava Rao Yalamanchili, Brad Eaton, Ajay Kumar 2015-09-08
9130030 Baking tool for improved wafer coating process Jungrae Park, James S. Papanu, Brad Eaton, Ajay Kumar 2015-09-08
9130056 Bi-layer wafer-level underfill mask for wafer dicing and approaches for performing wafer dicing James M. Holden, James S. Papanu, Brad Eaton, Ajay Kumar 2015-09-08
9112050 Dicing tape thermal management by wafer frame support ring cooling during plasma dicing Prabhat Kumar, Brad Eaton, Ajay Kumar 2015-08-18
9105710 Wafer dicing method for improving die packaging quality Brad Eaton, Aparna Iyer, Madhava Rao Yalamanchili, Ajay Kumar, Jungrae Park 2015-08-11
9093518 Singulation of wafers having wafer-level underfill James S. Papanu, Brad Eaton, Ajay Kumar 2015-07-28
9076860 Residue removal from singulated die sidewall Prabhat Kumar, James S. Papanu, Ajay Kumar, Brad Eaton 2015-07-07
9054176 Multi-step and asymmetrically shaped laser beam scribing Brad Eaton, Madhava Rao Yalamanchili, Saravjeet Singh, Ajay Kumar, James M. Holden 2015-06-09
9048309 Uniform masking for wafer dicing using laser and plasma etch Mohammad Kamruzzaman Chowdhury, Todd Egan, Brad Eaton, Madhava Rao Yalamanchili, Ajay Kumar 2015-06-02