BF

Brian S. Freer

AT Axcelis Technologies: 7 patents #35 of 300Top 15%
EA Eaton: 2 patents #1,243 of 3,708Top 35%
TE Tel Epion: 1 patents #37 of 54Top 70%
IBM: 1 patents #44,794 of 70,183Top 65%
Overall (All Time): #463,716 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9103031 Method and system for growing a thin film using a gas cluster ion beam John Hautala, Michael Graf, Yan Shao 2015-08-11
8168941 Ion beam angle calibration and emittance measurement system for ribbon beams Marvin Farley, Donald N. Polner, Geoffrey Ryding, Theodore H. Smick, Takao Sakase +5 more 2012-05-01
7598495 Methods and systems for trapping ion beam particles and focusing an ion beam Peter L. Kellerman, Victor M. Benveniste, Alexander S. Perel, Michael Graf 2009-10-06
7557363 Closed loop dose control for ion implantation Yongzhang Huang, John Zheng Ye, Christopher Godfrey, Michael Graf, Patrick Splinter 2009-07-07
7476876 Ion beam angle measurement systems and methods employing varied angle slot arrays for ion implantation systems 2009-01-13
7435977 Ion beam angle measurement systems and methods for ion implantation systems Alexander S. Perel 2008-10-14
6828572 Ion beam incident angle detector for ion implant systems Ronald N. Reece, Michael Graf, Thomas Parrill 2004-12-07
6221169 System and method for cleaning contaminated surfaces in an ion implanter James D. Bernstein, Peter M. Kopalidis 2001-04-24
6215125 Method to operate GEF4 gas in hot cathode discharge ion sources Jiong Chen, John Francis Grant, Lawrence T. Jacobs, Joseph L. Malenfant, Jr. 2001-04-10
5909031 Ion implanter electron shower having enhanced secondary electron emission Peter L. Kellerman, James D. Bernstein 1999-06-01
5903009 Biased and serrated extension tube for ion implanter electron shower James D. Bernstein, Peter L. Kellerman 1999-05-11