SR

Sudipto Ranendra Roy

CM Chartered Semiconductor Manufacturing: 32 patents #14 of 840Top 2%
TI Texas Instruments: 2 patents #5,248 of 12,488Top 45%
IBM: 1 patents #44,794 of 70,183Top 65%
Overall (All Time): #99,372 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 25 most recent of 35 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, Subhash Gupta +2 more 2008-11-18
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, Subhash Gupta +2 more 2006-06-13
6987321 Copper diffusion deterrent interface Simon Chooi, Yakub Aliyu, Mei Sheng Zhou, John Sudijono, Subbash Gupta +2 more 2006-01-17
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, Subhash Gupta +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, Subhash Gupta 2004-11-23
6813796 Apparatus and methods to clean copper contamination on wafer edge Subhash Gupta, Simon Chooi, Xu Yi, Yakub Aliyu, Mei Sheng Zhou +2 more 2004-11-09
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, Subhash Gupta +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 Yi Xu, Simon Chooi, Yakub Aliyu, Mei Sheng Zhou, John Sudijono +2 more 2004-02-17
6683002 Method to create a copper diffusion deterrent interface Simon Chooi, Yakub Aliyu, Mei Sheng Zhou, John Sudijono, Subhash Gupta +2 more 2004-01-27
6670209 Embedded metal scheme for liquid crystal display (LCD) application 2003-12-30
6572731 Self-siphoning CMP tool design for applications such as copper CMP and low-k dielectric CMP 2003-06-03
6547652 Linear CMP tool design using in-situ slurry distribution and concurrent pad conditioning 2003-04-15
6540841 Method and apparatus for removing contaminants from the perimeter of a semiconductor substrate Subhash Gupta, Simon Chooi, Xu Yi, Yakub Aliyu, Mei Sheng Zhou +2 more 2003-04-01
6521079 Linear CMP tool design with closed loop slurry distribution 2003-02-18
6475810 Method of manufacturing embedded organic stop layer for dual damascene patterning Mei Sheng Zhou, John Sudijono, Subhash Gupta, Paul Ho, Yi Xu +2 more 2002-11-05
6429117 Method to create copper traps by modifying treatment on the dielectrics surface John Sudijono, Yakub Aliyu, Mei Sheng Zhou, Simon Chooi, Subhash Gupta +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
6391783 Method to thin down copper barriers in deep submicron geometries by using alkaline earth element, barrier additives, or self assembly technique John Sudijono, Yakub Aliyu, Mei Sheng Zhou, Simon Chooi, Subhash Gupta +2 more 2002-05-21
6378759 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 2002-04-30
6365508 Process without post-etch cleaning-converting polymer and by-products into an inert layer Mei Sheng Zhou, John Sudijono, Subhash Gupta, Paul Ho, Xu Yi +2 more 2002-04-02
6358821 Method of copper transport prevention by a sputtered gettering layer on backside of wafer Subhash Gupta, Simon Chooi, Paul Ho, Xu Yi, Yakub Aliyu +2 more 2002-03-19
6350689 Method to remove copper contamination by using downstream oxygen and chelating agent plasma Paul Ho, Simon Chooi, Yakub Aliyu, Mei Sheng Zhou, John Sudijono +2 more 2002-02-26
6340608 Method of fabricating copper metal bumps for flip-chip or chip-on-board IC bonding on terminating copper pads Simon Chooi, Yakub Aliyu, Mei Sheng Zhou, John Sudijono, Subhash Gupta +2 more 2002-01-22