Apparatus for blanking a charged particle beam

Radiant energy – With charged particle beam deflection or focussing – Magnetic lens

Reexamination Certificate

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C250S492200, C250S505100

Reexamination Certificate

active

07728308

ABSTRACT:
A beam blanking unit (1) comprises first and second blanking plates (2, 3) mounted to a support plate (15). A stopper (4) is mechanically and electrically connected to the first blanking plate (2).

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Patent Abstracts of Japan, vol. 1997, No. 12, Dec. 25, 1997 & JP 09 204891 (Hitachi Ltd.), Aug. 5, 1997.

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