Automatic fluorine control system

Coherent light generators – Particular active media – Gas

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372 57, 372 59, H01S 3225

Patent

active

060288809

ABSTRACT:
An excimer laser system with a fluorine control having a fixed volume inject bottle in which fluorine is injected prior to it being injected into the laser chamber. A manifold and feedback control system is provided to permit precise injection at rates approaching continuous fluorine injection. The system permits the laser to be operated in a small sweet spot as measured by a narrow range of charging voltage.

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