Particle suppression systems and methods

An object stage that includes a first structure and a second structure movable relative to the first structure. The second structure is configured to support an object. The object stage also includes a seal plate movably coupled to the first structure or the second structure, but not both. Further,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Huang, Yang-Shan, Burbank, Daniel Nathan, Stavenga, Marco Koert
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An object stage that includes a first structure and a second structure movable relative to the first structure. The second structure is configured to support an object. The object stage also includes a seal plate movably coupled to the first structure or the second structure, but not both. Further, the object stage includes an actuator configured to move the seal plate such that a substantially constant gap is defined between the seal plate and the first structure or second structure that is not coupled to the seal plate.