SW

Steven R. Walther

VA Varian Semiconductor Equipment Associates: 23 patents #27 of 513Top 6%
HZ Hitachi Zosen: 5 patents #33 of 531Top 7%
MI Mks Instruments: 2 patents #156 of 442Top 40%
SA Siemens Aktiengesellschaft: 2 patents #6,658 of 22,248Top 30%
AT Advanced Ion Beam Technology: 1 patents #40 of 69Top 60%
UE US Dept of Energy: 1 patents #1,355 of 5,099Top 30%
📍 Saalfeld, MA: #1 of 1 inventorsTop 100%
Overall (All Time): #88,363 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
7459703 Ion implant beam angle integrity monitoring and adjusting Ukyo Jeong, Sandeep Mehta 2008-12-02
7396746 Methods for stable and repeatable ion implantation Ziwei Fang, Justin Tocco, Carleton F. Ellis, III 2008-07-08
7378335 Plasma implantation of deuterium for passivation of semiconductor-device interfaces Ukyo Jeong, Sandeep Mehta, Naushad K. Variam 2008-05-27
7342240 Ion beam current monitoring Morgan Evans 2008-03-11
7326937 Plasma ion implantation systems and methods using solid source of dopant material Sandeep Mehta, Naushad K. Variam 2008-02-05
RE40008 Method and apparatus for controlling ion implantation during vacuum fluctuation 2008-01-22
7132672 Faraday dose and uniformity monitor for plasma based ion implantation Rajesh Dorai, Harold Persing, Jay T. Scheuer, Bon-Woong Koo, Bjorn O. Pedersen +2 more 2006-11-07
6716727 Methods and apparatus for plasma doping and ion implantation in an integrated processing system 2004-04-06
6686598 Wafer clamping apparatus and method 2004-02-03
6521895 Wide dynamic range ion beam scanners Nicholas R. White 2003-02-18
6323497 Method and apparatus for controlling ion implantation during vacuum fluctuation 2001-11-27
5198677 Production of N.sup.+ ions from a multicusp ion beam apparatus Ka-Ngo Leung, Wulf B. Kunkel 1993-03-30