The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 20, 2007
Filed:
Jul. 15, 2005
Santiago E. Del Puerto, Milton, NY (US);
Stephen Roux, New Fairfield, CT (US);
Justin L. Kreuzer, Trumbull, CT (US);
Santiago E. del Puerto, Milton, NY (US);
Stephen Roux, New Fairfield, CT (US);
Justin L. Kreuzer, Trumbull, CT (US);
ASML Holding N.V., , NL;
Abstract
A method utilizing a lithography system comprises a lithography patterning chamber, a wafer exchange chamber separated from the lithography patterning chamber by a first gate valve, and at least one alignment load-lock separated from the wafer exchange chamber by a second gate valve. The alignment load-lock includes an alignment stage that aligns a wafer during pump-down. The alignment load-lock can be uni-directional or bi-directional. The lithography system can include one or multiple alignment load-locks.