Integrated electron beam and contaminant removal system

Radiant energy – Inspection of solids or liquids by charged particles

Reexamination Certificate

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Details

C250S307000, C250S310000, C250S311000, C250S431000, C250S443100, C438S014000

Reexamination Certificate

active

07078689

ABSTRACT:
One embodiment disclosed relates to an integrated electron beam inspection and contaminant removal tool. An electron beam column is configured to image an area on a substrate being inspected. A contaminant removal subsystem is integrated with the electron beam column and configured to remove contamination from a surface of the substrate. Means is advantageously included by which the substrate is kept from being exposed to air between the contaminant removal subsystem and the electron beam column.

REFERENCES:
patent: 5554854 (1996-09-01), Blake
patent: 5633506 (1997-05-01), Blake
patent: 6221169 (2001-04-01), Bernstein et al.
patent: 6427703 (2002-08-01), Somekh
patent: 6753194 (2004-06-01), Ushiki et al.
patent: 2002/0053353 (2002-05-01), Kawata et al.
patent: WO 00/19518 (2000-04-01), None
patent: WO 01/59831 (2001-08-01), None

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