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.

Date of Patent:
Apr. 22, 2008

Filed:

Feb. 24, 2005
Applicants:

Wolfgang Singer, Aalen, DE;

Joachim Hainz, Aalen, DE;

Joachim Wietzorrek, Aalen, DE;

Markus Weiss, Aalen, DE;

Inventors:

Wolfgang Singer, Aalen, DE;

Joachim Hainz, Aalen, DE;

Joachim Wietzorrek, Aalen, DE;

Markus Weiss, Aalen, DE;

Assignee:

Carl Zeiss SMT AG, Oberkochen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 27/52 (2006.01); G03B 27/42 (2006.01);
U.S. Cl.
CPC ...
Abstract

There is provided an optical system including an optical element having a first used area and a second used area on which impinge rays of a light bundle, and a device for moving the optical element between a first position and a second position. The light bundle impinges on the first used area when the optical element is in the first position, and light bundle impinges on the second used area when the optical element is in the second position.


Find Patent Forward Citations

Loading…