QF

Qian Fu

Lam Research: 51 patents #27 of 2,128Top 2%
Applied Materials: 8 patents #1,541 of 7,310Top 25%
📍 Pleasanton, CA: #69 of 3,062 inventorsTop 3%
🗺 California: #5,977 of 386,348 inventorsTop 2%
Overall (All Time): #39,667 of 4,157,543Top 1%
59
Patents All Time

Issued Patents All Time

Showing 51–59 of 59 patents

Patent #TitleCo-InventorsDate
8518282 Method of controlling etch microloading for a tungsten-containing layer Wonchul Lee, Shenjian Liu, Bryan Pu 2013-08-27
8440573 Method and apparatus for pattern collapse free wet processing of semiconductor devices Katrina Mikhaylichenko, Denis Syomin, Glenn W. Gale, Shenjian Liu, Mark Wilcoxson 2013-05-14
8431461 Silicon nitride dry trim without top pulldown Qinghua Zhong, Yoshie Kimura, Tae Won Kim, Gladys So-Wan Lo, Ganesh Upadhyaya +1 more 2013-04-30
8329051 Method for forming stair-step structures Hyun-Yong YU 2012-12-11
8216388 Extending storage time of removed plasma chamber components prior to cleaning thereof Hong Shih, Tuochuan Huang, Raphael Casaes, Duane Outka 2012-07-10
8124538 Selective etch of high-k dielectric material In Deog BAE, Wonchul Lee, Shenjian Liu 2012-02-28
7976641 Extending storage time of removed plasma chamber components prior to cleaning thereof Hong Shih, Tuochuan Huang, Raphael Casaes, Duane Outka 2011-07-12
7682979 Phase change alloy etch Shenjian Liu, Linda Fung-Ming Lee 2010-03-23
7629255 Method for reducing microloading in etching high aspect ratio structures Shenjian Liu, Wonchul Lee, Bryan Pu 2009-12-08