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LEI WEI-SHENG

Overview
  • Total Patents
    43
  • GoodIP Patent Rank
    57,388
About

LEI WEI-SHENG has a total of 43 patent applications. Its first patent ever was published in 2011. It filed its patents most often in United States. Its main competitors in its focus markets semiconductors, machine tools and electrical machinery and energy are DISC CO LTD, KINGYOUP OPTRONICS CO LTD and Tianjin jinlong welding material co ltd.

Patent filings in countries

World map showing LEI WEI-SHENGs patent filings in countries
# Country Total Patents
#1 United States 43

Patent filings per year

Chart showing LEI WEI-SHENGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lei Wei-Sheng 43
#2 Eaton Brad 43
#3 Kumar Ajay 43
#4 Yalamanchili Madhava Rao 16
#5 Papanu James S 15
#6 Singh Saravjeet 13
#7 Iyer Aparna 9
#8 Kumar Prabhat 8
#9 Park Jungrae 5
#10 Egan Todd 3

Latest patents

Publication Filing date Title
US2015332970A1 Carrier with thermally resistant film frame for supporting wafer during singulation
US2016315009A1 UV-cure pre-treatment of carrier film for wafer dicing using hybrid laser scribing and plasma etch approach
US9159624B1 Vacuum lamination of polymeric dry films for wafer dicing using hybrid laser scribing and plasma etch approach
US9330977B1 Hybrid wafer dicing approach using a galvo scanner and linear stage hybrid motion laser scribing process and plasma etch process
US2016197015A1 Hybrid wafer dicing approach using a polygon scanning-based laser scribing process and plasma etch process
US9355907B1 Hybrid wafer dicing approach using a line shaped laser beam profile laser scribing process and plasma etch process
US2016027697A1 Hybrid wafer dicing approach using a rectangular shaped two-dimensional top hat laser beam profile or a linear shaped one-dimensional top hat laser beam profile laser scribing process and plasma etch process
US9093518B1 Singulation of wafers having wafer-level underfill
US2015011073A1 Laser scribing and plasma etch for high die break strength and smooth sidewall
US9112050B1 Dicing tape thermal management by wafer frame support ring cooling during plasma dicing
US9159621B1 Dicing tape protection for wafer dicing using laser scribe process
US8912075B1 Wafer edge warp supression for thin wafer supported by tape frame
US8912078B1 Dicing wafers having solder bumps on wafer backside
US8932939B1 Water soluble mask formation by dry film lamination
US8975163B1 Laser-dominated laser scribing and plasma etch hybrid wafer dicing
US9076860B1 Residue removal from singulated die sidewall
US2015279739A1 Dicing processes for thin wafers with bumps on wafer backside
US2014273401A1 Substrate laser dicing mask including laser energy absorbing water-soluble film
US2015214109A1 Method of wafer dicing using hybrid laser scribing and plasma etch approach with mask plasma treatment for improved mask etch resistance
US9012305B1 Wafer dicing using hybrid laser scribing and plasma etch approach with intermediate non-reactive post mask-opening clean