Radiant energy – Ion generation – Field ionization type
Reexamination Certificate
2007-10-02
2009-11-24
Wells, Nikita (Department: 2881)
Radiant energy
Ion generation
Field ionization type
C250S492210, C250S281000, C250S282000, C250S288000, C250S441110, C315S111810
Reexamination Certificate
active
07622722
ABSTRACT:
An ion implantation device with a dual pumping mode and method thereof for use in producing atomic or molecular ion beams are disclosed. In one particular exemplary embodiment, an ion implantation apparatus is provided for controlling a pressure within an ion beam source housing corresponding to an ion beam species being produced. The ion implantation apparatus may include the ion beam source housing comprising a plurality of species for use in ion beam production. A pumping section may also be included for evacuating gas from the ion beam source housing. A controller may further be included for controlling the pumping section according to pumping parameters corresponding to a species of the plurality of species being used for ion beam production.
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U.S. Appl. No. 11/525,878, filed Sep. 22, 2006.
U.S. Appl. No. 11/504,367, filed Sep. 22, 2006.
England Jonathan Gerald
Hatem Christopher R.
Olson Joseph C.
Scheuer Jay Thomas
Varian Semiconductor Equipment Associates Inc.
Wells Nikita
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