PK

Padmanabhan Krishnaraj

Applied Materials: 26 patents #456 of 7,310Top 7%
Overall (All Time): #156,046 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 25 most recent of 26 patents

Patent #TitleCo-InventorsDate
7799698 Deposition-selective etch-deposition process for dielectric film gapfill Lin Zhang, Xiaolin Chen, Dongqing Li, Thanh Pham, Farhad Moghadam +1 more 2010-09-21
7722737 Gas distribution system for improved transient phase deposition Sudhir Gondhalekar, Robert Duncan, Siamak Salimian, Muhammad M. Rasheed, Harry Whitesell +2 more 2010-05-25
7691753 Deposition-selective etch-deposition process for dielectric film gapfill Lin Zhang, Xiaolin Chen, Dongqing Li, Thanh Pham, Farhad Moghadam +1 more 2010-04-06
7498268 Gas delivery system for semiconductor processing Sudhir Gondhalekar, Tom K. Cho, Muhammad M. Rasheed, Hemant P. Mungekar, Thanh Pham +1 more 2009-03-03
7431772 Gas distributor having directed gas flow and cleaning method Laxman Murugesh, Carl A. Dunham 2008-10-07
7399388 Sequential gas flow oxide deposition technique Farhad Moghadam, Michael S. Cox, Thanh Pham 2008-07-15
7399707 In situ application of etch back for improved deposition into high-aspect-ratio features Pavel Ionov, Canfeng Lai, Michael S. Cox, Shamouil Shamouilian 2008-07-15
7189639 Use of germanium dioxide and/or alloys of GeO2 with silicon dioxide for semiconductor dielectric applications Michael S. Cox, Bruno Geoffrion, Srinivas D. Nemani 2007-03-13
7141138 Gas delivery system for semiconductor processing Sudhir Gondhalekar, Tom K. Cho, Muhammad M. Rasheed, Hemant P. Mungekar, Thanh Pham +1 more 2006-11-28
7097886 Deposition process for high aspect ratio trenches Farhad Moghadam, Michael S. Cox, Thanh Pham, Zhenjiang Cui 2006-08-29
7081414 Deposition-selective etch-deposition process for dielectric film gapfill Lin Zhang, Xiaolin Chen, Dongqing Li, Thanh Pham, Farhad Moghadam +1 more 2006-07-25
7064077 Method for high aspect ratio HDP CVD gapfill Zhong Qiang Hua, Dong Li, Zhengquan Tan, Zhuang Li, Michael Kwan +1 more 2006-06-20
6890597 HDP-CVD uniformity control Bruno Geoffrion, Michael S. Cox, Lin Zhang, Bikram Kapoor, Anchuan Wang +1 more 2005-05-10
6869880 In situ application of etch back for improved deposition into high-aspect-ratio features Pavel Ionov, Canfeng Lai, Michael S. Cox, Shamouil Shamouilian 2005-03-22
6863019 Semiconductor device fabrication chamber cleaning method and apparatus with recirculation of cleaning gas Shamouil Shamouilian, Canfeng Lai, Michael S. Cox, Tsutomu Tanaka, Sebastien Raoux +2 more 2005-03-08
6812153 Method for high aspect ratio HDP CVD gapfill Zhong Qiang Hua, Dong Li, Zhengquan Tan, Zhuang Li, Michael Kwan +1 more 2004-11-02
6715496 Method and apparatus for cleaning a semiconductor wafer processing system Michael Kwan, Alan W. Collins, Jalel Hamila, Zhengquan Tan 2004-04-06
6635144 Apparatus and method for detecting an end point of chamber cleaning in semiconductor equipment Zhenjiang Cui, Shamouil Shamouilian 2003-10-21
6633076 Methods and apparatus for producing stable low k FSG film for HDP-CVD Robert Duncan, Joseph D'Souza, Alan W. Collins, Nasreen Chopra, Kimberly Branshaw 2003-10-14
6596123 Method and apparatus for cleaning a semiconductor wafer processing system Michael Kwan, Alan W. Collins, Jalel Hamila, Zhengquan Tan 2003-07-22
6511922 Methods and apparatus for producing stable low k FSG film for HDP-CVD Robert Duncan, Joseph D'Souza, Alan W. Collins, Nasreen Chopra, Kimberly Branshaw 2003-01-28
6486081 Gas distribution system for a CVD processing chamber Tetsuya Ishikawa, Feng Gao, Alan W. Collins, Lily Pang 2002-11-26
6274058 Remote plasma cleaning method for processing chambers Ravi Rajagopalan, Patricia M. Liu, Pravin K. Narwankar, Huyen Tran, Alan Ablao +1 more 2001-08-14
6189483 Process kit Tetsuya Ishikawa, Kaveh Niazi, Hiroji Hanawa 2001-02-20
6175485 Electrostatic chuck and method for fabricating the same Brian Lue, Ramkishan Rao Lingampalli, Shun Wu 2001-01-16