Stray Light Feedback for Dose Control in Semiconductor Lithography Systems

A lithography system with a stray light feedback system is disclosed. The stray light feedback helps control critical dimension (CD) within a stray light specification limit. A stray light dose control factor is calculated as a function of the stray light measured in the exposure tool and the sensit...

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Bibliographische Detailangaben

Hauptverfasser:	LI WAI-KIN, MAROKKEY SAJAN, BAILEY TODD C
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHY PHYSICS
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