Techniques for controlling a charged particle beam

Radiant energy – Irradiation of objects or material – Irradiation of semiconductor devices

Reexamination Certificate

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C315S005410, C315S005390, C315S500000, C315S506000

Reexamination Certificate

active

07820986

ABSTRACT:
Techniques for controlling a charged particle beam are disclosed. In one particular exemplary embodiment, the techniques may be realized as a charged particle acceleration/deceleration system. The charged particle acceleration/deceleration system may comprise an acceleration column. The acceleration column may comprise a plurality of electrodes having apertures through which a charged particle beam may pass. The charged particle acceleration/deceleration system may also comprise a plurality of resistors electrically coupled to the plurality of electrodes. The charged particle acceleration/deceleration system may further comprise a plurality of switches electrically coupled to the plurality of electrodes and the plurality of resistors, each of the plurality of switches may be configured to be selectively switched respectively in a plurality of operation modes.

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