Radiant energy – Radiant energy generation and sources – With radiation modifying member
Reexamination Certificate
2005-02-25
2008-11-11
Nguyen, Kiet T (Department: 2881)
Radiant energy
Radiant energy generation and sources
With radiation modifying member
C378S119000
Reexamination Certificate
active
07449703
ABSTRACT:
An EUV target delivery system and method are disclosed which may comprise: a target material purification system connected to deliver liquid target material comprising: a first container and a second container in fluid contact with the target material reservoir; a filter intermediate the first chamber and the second chamber; a liquid target material agitation mechanism, or at least one purification chamber containing the target material in a form reactive with impurities contained in the inert gas reacting with such impurities and removing from the inert gas the impurities, or providing an evaporation chamber in fluid communication with an impurity chamber and with a target droplet mechanism liquid target material reservoir and containing liquid source material; heating the liquid source material to a first temperature sufficient to evaporate a first set of contaminants; heating the liquid source material to a second temperature sufficient to evaporate lithium.
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Cray William C.
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Nguyen Kiet T
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