Process for the decontamination of microlithographic...

Radiant energy – Fluent material containment – support or transfer means – With cleaning means

Reexamination Certificate

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C250S43200R, C250S428000

Reexamination Certificate

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06936825

ABSTRACT:
UV light and a fluid are used in a process for the decontamination of microlithographic projection exposure devices with optical elements or portions thereof, in particular of the surfaces of optical elements. A second UV light source is directed for decontamination, in intervals between exposures, toward at least a portion of the optical elements.

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