Radiant energy – With charged particle beam deflection or focussing – Magnetic lens
Reexamination Certificate
2006-07-31
2009-06-09
Berman, Jack I (Department: 2881)
Radiant energy
With charged particle beam deflection or focussing
Magnetic lens
C250S310000, C250S311000, C250S492100, C250S492200, C250S492220, C250S492300, C313S310000, C313S341000, C313S343000, C313S336000, C313S413000, C313S414000, C313S442000, C313S433000, C313S443000, C315S106000, C315S107000, C315S383000, C315S360000, C315S307000
Reexamination Certificate
active
07544951
ABSTRACT:
A device which employs an electron beam, for performing a desired function, includes an electron gun for generating the electron beam. The electron gun includes a barrel shaped rotatable structure having a plurality of annularly disposed electron sources. A curvature of a surface portion of the rotatable structure is shaped to optimize electric field concentrations. The rotatable structure further includes end portion protrusions.
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Abe Tomohiko
Kendall Rodney
Berman Jack I
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
NuFlare Technology, Inc.
Sahu Meenakshi S
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