HT

Hamid Tavassoli

Applied Materials: 27 patents #426 of 7,310Top 6%
AS Advanced Thermal Sciences: 5 patents #10 of 15Top 70%
BA B/E Aerospace: 4 patents #155 of 810Top 20%
Overall (All Time): #124,056 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 25 most recent of 30 patents

Patent #TitleCo-InventorsDate
11315760 Symmetric plasma process chamber James D. Carducci, Ajit Balakrishna, Zhigang Chen, Andrew Nguyen, Douglas A. Buchberger, Jr. +3 more 2022-04-26
10704147 Process kit design for in-chamber heater and wafer rotating mechanism Muhammad M. Rasheed, Muhannad Mustafa, Steven V. Sansoni, Cheng-Hsiung Tsai, Vikash Banthia 2020-07-07
10697057 Collimator for use in a physical vapor deposition chamber Goichi Yoshidome, Keith A. Miller, Andrew John Tomko 2020-06-30
10615006 Symmetric plasma process chamber James D. Carducci, Ajit Balakrishna, Zhigang Chen, Andrew Nguyen, Douglas A. Buchberger, Jr. +3 more 2020-04-07
10580620 Symmetric plasma process chamber James D. Carducci, Ajit Balakrishna, Zhigang Chen, Andrew Nguyen, Douglas A. Buchberger, Jr. +3 more 2020-03-03
10546728 Symmetric plasma process chamber James D. Carducci, Ajit Balakrishna, Zhigang Chen, Andrew Nguyen, Douglas A. Buchberger, Jr. +3 more 2020-01-28
10537013 Distributed electro-static chuck cooling Fernando Silveira, Richard Fovell 2020-01-14
10535502 Symmetric plasma process chamber James D. Carducci, Ajit Balakrishna, Zhigang Chen, Andrew Nguyen, Douglas A. Buchberger, Jr. +3 more 2020-01-14
10453656 Symmetric plasma process chamber James D. Carducci, Ajit Balakrishna, Zhigang Chen, Andrew Nguyen, Douglas A. Buchberger, Jr. +3 more 2019-10-22
10386126 Apparatus for controlling temperature uniformity of a substrate Kallol Bera, Xiaoping Zhou, Douglas A. Buchberger, Jr., Andrew Nguyen, Surajit Kumar +1 more 2019-08-20
9799491 Low electron temperature etch chamber with independent control over plasma density, radical composition and ion energy for atomic precision etching Leonid Dorf, Kenneth S. Collins, Shahid Rauf, Kartik Ramaswamy, James D. Carducci +2 more 2017-10-24
9741546 Symmetric plasma process chamber James D. Carducci, Ajit Balakrishna, Zhigang Chen, Andrew Nguyen, Douglas A. Buchberger, Jr. +3 more 2017-08-22
9564297 Electron beam plasma source with remote radical source Ming-Feng Wu, Leonid Dorf, Shahid Rauf, Ying Zhang, Kenneth S. Collins +2 more 2017-02-07
9267742 Apparatus for controlling the temperature uniformity of a substrate Kallol Bera, Xiaoping Zhou, Douglas A. Buchberger, Jr., Andrew Nguyen, Surajit Kumar +1 more 2016-02-23
9248509 Multi-zoned plasma processing electrostatic chuck with improved temperature uniformity Surajit Kumar, Kallol Bera, Xiaoping Zhou, Shane C. Nevil, Douglas A. Buchberger, Jr. 2016-02-02
9214315 Temperature control in plasma processing apparatus using pulsed heat transfer fluid flow Fernando Silveira, Xiaoping Zhou, Shane C. Nevil, Douglas A. Buchberger, Jr., Brad L. Mays +5 more 2015-12-15
8980044 Plasma reactor with a multiple zone thermal control feed forward control apparatus Paul Brillhart, Richard Fovell, Douglas A. Buchberger, Jr., Douglas H. Burns, Kallol Bera +5 more 2015-03-17
8916793 Temperature control in plasma processing apparatus using pulsed heat transfer fluid flow Fernando Silveira, Xiaoping Zhou, Shane C. Nevil, Douglas A. Buchberger, Jr., Brad L. Mays +5 more 2014-12-23
8822876 Multi-zoned plasma processing electrostatic chuck with improved temperature uniformity Surajit Kumar, Kallol Bera, Xiaoping Zhou, Shane C. Nevil, Douglas A. Buchberger, Jr. 2014-09-02
8629370 Assembly for delivering RF power and DC voltage to a plasma processing chamber Surajit Kumar, Shane C. Nevil, Douglas A. Buchberger, Jr. 2014-01-14
8617351 Plasma reactor with minimal D.C. coils for cusp, solenoid and mirror fields for plasma uniformity and device damage reduction Daniel J. Hoffman, Roger Alan Lindley, Michael Kutney, Martin Jeff Salinas, Keiji Horioka +1 more 2013-12-31
8608900 Plasma reactor with feed forward thermal control system using a thermal model for accommodating RF power changes or wafer temperature changes Douglas A. Buchberger, Jr., Paul Brillhart, Richard Fovell, Douglas H. Burns, Kallol Bera +1 more 2013-12-17
8337660 Capacitively coupled plasma reactor having very agile wafer temperature control Douglas A. Buchberger, Jr., Paul Brillhart, Richard Fovell, Douglas H. Burns, Kallol Bera +5 more 2012-12-25
8236105 Apparatus for controlling gas flow in a semiconductor substrate processing chamber Kallol Bera, Heeyeop Chae, Yan Ye 2012-08-07
8221580 Plasma reactor with wafer backside thermal loop, two-phase internal pedestal thermal loop and a control processor governing both loops Douglas A. Buchberger, Jr., Paul Brillhart, Richard Fovell, Douglas H. Burns, Kallol Bera +5 more 2012-07-17