Radiant energy – Inspection of solids or liquids by charged particles – Positive ion probe or microscope type
Reexamination Certificate
2006-03-20
2009-10-13
Nguyen, Kiet T (Department: 2881)
Radiant energy
Inspection of solids or liquids by charged particles
Positive ion probe or microscope type
Reexamination Certificate
active
07601953
ABSTRACT:
In one aspect the invention provides a gas field ion microscope that includes an ion source in connection with an optical column, such that an ion beam generated at the ion source travels through the optical column and impinges on a sample. The ion source includes an emitter having a width that tapers to a tip comprising a few atoms. In other aspects, the invention provides methods for using the ion microscope to analyze samples and enhancing the performance of a gas field ion source.
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Farkas, III Louis S.
Notte, IV John A.
Percival Randall G.
Ward Billy W.
ALIS Corporation
Fish & Richardson P.C.
Nguyen Kiet T
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