SG

Subhash Gupta

CM Chartered Semiconductor Manufacturing: 50 patents #9 of 840Top 2%
AM AMD: 35 patents #255 of 9,279Top 3%
TI Texas Instruments: 4 patents #3,281 of 12,488Top 30%
AN Andersen: 2 patents #95 of 282Top 35%
Overall (All Time): #14,937 of 4,157,543Top 1%
99
Patents All Time

Issued Patents All Time

Showing 25 most recent of 99 patents

Patent #TitleCo-InventorsDate
7452808 Method of copper/copper surface bonding using a conducting polymer for application in IC chip bonding Simon Chooi, Yakub Aliyu, Mei Sheng Zhou, John Sudijono, Sudipto Ranendra Roy +2 more 2008-11-18
RE39518 Run to run control process for controlling critical dimensions Anthony J. Toprac, Douglas John Downey 2007-03-13
7060613 Method of copper/copper surface bonding using a conducting polymer for application in IC chip bonding Simon Chooi, Yakub Aliyu, Mei Sheng Zhou, John Sudijono, Sudipto Ranendra Roy +2 more 2006-06-13
6967162 Method of copper/copper surface bonding using a conducting polymer for application in IC chip bonding Simon Chooi, Yakub Aliyu, Mei Sheng Zhou, John Sudijono, Sudipto Ranendra Roy +2 more 2005-11-22
6821888 Method of copper/copper surface bonding using a conducting polymer for application in IC chip bonding Yakub Aliyu, Simon Chooi, Meisheng Zhou, John Sudijono, Sudipto Ranendra Roy 2004-11-23
6813796 Apparatus and methods to clean copper contamination on wafer edge Sudipto Ranendra Roy, Simon Chooi, Xu Yi, Yakub Aliyu, Mei Sheng Zhou +2 more 2004-11-09
6740580 Method to form copper interconnects by adding an aluminum layer to the copper diffusion barrier Chyi S. Chern, Mei Sheng Zhou 2004-05-25
6720204 Method of using hydrogen plasma to pre-clean copper surfaces during Cu/Cu or Cu/metal bonding John Sudijono, Yakub Aliyu, Mei Sheng Zhou, Simon Chooi, Sudipto Ranendra Roy +2 more 2004-04-13
6705512 Method of application of conductive cap-layer in flip-chip, cob, and micro metal bonding Kwok Keung Paul Ho, Simon Chooi, Yi Xu, Yakub Aliyu, Mei Sheng Zhou +2 more 2004-03-16
6692579 Method for cleaning semiconductor structures using hydrocarbon and solvents in a repetitive vapor phase/liquid phase sequence Sudipto Ranendra Roy, Yi Xu, Simon Chooi, Yakub Aliyu, Mei Sheng Zhou +2 more 2004-02-17
6683002 Method to create a copper diffusion deterrent interface Simon Chooi, Yakub Aliyu, Mei Sheng Zhou, John Sudijono, Sudipto Ranendra Roy +2 more 2004-01-27
6656643 Method of extreme ultraviolet mask engineering Mei Sheng Zhou 2003-12-02
6565664 Method for stripping copper in damascene interconnects Simon Chooi, Paul Ho, Mei Sheng Zhou 2003-05-20
6566260 Non-metallic barrier formations for copper damascene type interconnects Simon Chooi, Mei Sheng Zhou, Sangki Hong 2003-05-20
6540841 Method and apparatus for removing contaminants from the perimeter of a semiconductor substrate Sudipto Ranendra Roy, Simon Chooi, Xu Yi, Yakub Aliyu, Mei Sheng Zhou +2 more 2003-04-01
6531390 Non-metallic barrier formations for copper damascene type interconnects Simon Chooi, Mei Sheng Zhou, Sangki Hong 2003-03-11
6515342 Method and system for providing inorganic vapor surface treatment for photoresist adhesion promotion Bhanwar Singh, Carmen Morales 2003-02-04
6489233 Non-metallic barrier formations for copper damascene type interconnects Simon Chooi, Mei Sheng Zhou, Sangki Hong 2002-12-03
6475810 Method of manufacturing embedded organic stop layer for dual damascene patterning Mei Sheng Zhou, John Sudijono, Sudipto Ranendra Roy, Paul Ho, Yi Xu +2 more 2002-11-05
6465888 Composite silicon-metal nitride barrier to prevent formation of metal fluorides in copper damascene Simon Chooi, Mei Sheng Zhou, Sang-Ki Hong 2002-10-15
6465157 Dual layer pattern formation method for dual damascene interconnect Jianxun Li, Mei Sheng Zhou, Ming hui Far 2002-10-15
6429122 Non metallic barrier formations for copper damascene type interconnects Simon Chooi, Mei Sheng Zhou, Sangki Hong 2002-08-06
6429117 Method to create copper traps by modifying treatment on the dielectrics surface John Sudijono, Yakub Aliyu, Mei Sheng Zhou, Simon Chooi, Sudipto Ranendra Roy +2 more 2002-08-06
6415973 Method of application of copper solution in flip-chip, COB, and micrometal bonding Kwok Keung Paul Ho, Simon Chooi, Yi Xu, Mei Sheng Zhou, Yakub Aliyu +2 more 2002-07-09
6417088 Method of application of displacement reaction to form a conductive cap layer for flip-chip, COB, and micro metal bonding Kwok Keung Paul Ho, Yi Xu, Simon Chooi, Yakub Aliyu, Mei Sheng Zhou +2 more 2002-07-09