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:
Oct. 04, 2022
Filed:
Apr. 12, 2021
Applicant:
Carl Zeiss Smt Gmbh, Oberkochen, DE;
Inventor:
Boaz Pnini, Goeggingen, DE;
Assignee:
Carl Zeiss SMT GmbH, Oberkochen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/20 (2006.01); G02B 7/02 (2021.01); G02B 7/182 (2021.01); G02B 27/09 (2006.01);
U.S. Cl.
CPC ...
G03F 7/70258 (2013.01); G02B 7/023 (2013.01); G02B 7/1825 (2013.01); G02B 27/0983 (2013.01); G03F 7/70833 (2013.01);
Abstract
A method adjusts a first element of a lithography apparatus toward a second element of the lithography apparatus via a tunable spacer which is arranged between the first element and the second element. The method includes: determining an actual location of the first element; determining a nominal location of the first element; unloading the tunable spacer; adjusting a height of the tunable spacer to bring the first element from the actual location to the nominal location; and loading the tunable spacer.