Patent ID: 9524856
Filing Date: 2016-12-20
CPC Classification: G01N,H01J

Claim Text:
1. An apparatus, comprising: a chamber having an interior and an optical port through which light is transmittable into the interior thereof, wherein the interior is defined, at least in part, by a lower surface of the chamber; a target holder disposed within an interior of the chamber, the target holder having a base defining a support surface on which a target is supportable above the lower surface of the chamber and at least one fluid transport conduit extending through the target holder, wherein the at least one fluid transport conduit has a first end in fluid communication with the interior of the chamber and a second end in fluid communication with the interior of the chamber, wherein the second end is further away from the support surface than the first end; a carrier gas injection system configured to introduce a carrier gas into the interior of the chamber; and a purge conduit in fluid communication with the interior of the chamber at a position elevationally below the support surface, the purge conduit configured to transport the fluid from the interior of the chamber to a location outside the chamber.