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:
Apr. 07, 2020
Filed:
Feb. 15, 2019
Applicant:
Carl Zeiss Smt Gmbh, Oberkochen, DE;
Inventor:
Joachim Hartjes, Aalen, DE;
Assignee:
Carl Zeiss SMT GmbH, Oberkochen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 27/42 (2006.01); G03F 7/20 (2006.01); G02B 7/02 (2006.01); G02B 7/18 (2006.01);
U.S. Cl.
CPC ...
G03F 7/7015 (2013.01); G02B 7/026 (2013.01); G02B 7/1805 (2013.01); G03F 7/7095 (2013.01); G03F 7/70825 (2013.01);
Abstract
An optical system for a lithography apparatus, having a first component, a second component, and an optical element, which is held between the first component and the second component with force-fit engagement and for this purpose is subjected to a clamping force. At least one of the components includes a bearing portion which contacts the optical element and which has a shape-memory alloy.