DB

Donald W. Berrian

AT Axcelis Technologies: 8 patents #29 of 300Top 10%
AT Advanced Ion Beam Technology: 4 patents #13 of 69Top 20%
VA Varian: 3 patents #102 of 684Top 15%
VA Varian Semiconductor Equipment Associates: 2 patents #228 of 513Top 45%
NS Novellus Systems: 2 patents #345 of 780Top 45%
Applied Materials: 2 patents #3,641 of 7,310Top 50%
SE Sensitech: 2 patents #4 of 13Top 35%
Overall (All Time): #155,192 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 25 most recent of 26 patents

Patent #TitleCo-InventorsDate
10361059 Magnetic field fluctuation for beam smoothing Xiao Bai, Zhimin Wan 2019-07-23
9340870 Magnetic field fluctuation for beam smoothing Xiao Bai, Zhimin Wan 2016-05-17
9057129 Implant method and implanter by using a variable aperture Zhimin Wan, John D. Pollock, Causon Ko-Chuan Jen 2015-06-16
7772571 Implant beam utilization in an ion implanter Cheng-Hui Shen, Jiong Chen 2010-08-10
7547898 Particulate prevention in ion implantation John W. Vanderpot 2009-06-16
7381977 Ion beam profiler John D. Pollock, John W. Vanderpot 2008-06-03
7323695 Reciprocating drive for scanning a workpiece John W. Vanderpot, John D. Pollock 2008-01-29
7247863 System and method for rapidly controlling the output of an ion source for ion implantation 2007-07-24
7141809 Method for reciprocating a workpiece through an ion beam John W. Vanderpot, John D. Pollock 2006-11-28
7135691 Reciprocating drive for scanning a workpiece through an ion beam John W. Vanderpot, John D. Pollock 2006-11-14
6921907 Substrate positioning system John W. Vanderpot, John D. Pollock 2005-07-26
6833552 System and method for implanting a wafer with an ion beam 2004-12-21
6777687 Substrate positioning system John W. Vanderpot, John D. Pollock 2004-08-17
6765219 Hybrid scanning system and methods for ion implantation John D. Pollock, John W. Vanderpot 2004-07-20
6677599 System and method for uniformly implanting a wafer with an ion beam 2004-01-13
6661016 Ion implantation uniformity correction using beam current control 2003-12-09
6580083 High efficiency scanning in ion implanters 2003-06-17
5996528 Method and apparatus for flowing gases into a manifold at high potential Robert Kaim, John D. Pollock 1999-12-07
RE36200 Disposable electronic monitor device Ernest Santin, William A. Tout, Peter M. Nunes, John W. Vanderpot 1999-04-27
5806980 Methods and apparatus for measuring temperatures at high potential 1998-09-15
5789867 Apparatus and method for igniting plasma in a process module Han Westendorp, Hans Meiling, John W. Vanderpot 1998-08-04
5565036 Apparatus and method for igniting plasma in a process module Han Westendorp, Hans Meiling, John W. Vanderpot 1996-10-15
5313848 Disposable electronic monitor device Ernest Santin, William A. Tout, Peter M. Nunes, John W. Vanderpot 1994-05-24
4980562 Method and apparatus for high efficiency scanning in an ion implanter Robert Kaim, John W. Vanderpot 1990-12-25
4922106 Ion beam scanning method and apparatus Robert Kaim, John W. Vanderpot 1990-05-01