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:
Sep. 21, 2010
Filed:
Jul. 19, 2004
Applicant:
Rolf Theo Anton Apetz, Aachen, DE;
Inventor:
Rolf Theo Anton Apetz, Aachen, DE;
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B08B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of cleaning at least one surface of an optical device disposed in a vacuum chamber, which is at least partially contaminated by atoms and/or ions of metalloid and/or metal introduced by a radiation source generating, such as extreme ultraviolet radiation and/or soft X-rays is described. In order to achieve a longer service life for the optical device, the method is designed such that a temperature prevailing on the surface and/or a pressure in the vacuum chamber is adjusted in such a way that the atoms and/or ions hitting the surface are removed.