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:
Jan. 24, 2012
Filed:
Apr. 07, 2008
Applicants:
Andreas Voss, Stuttgart, DE;
Martin Huonker, Dietingen, DE;
Reiner Bruestle, Lauterbach, DE;
Inventors:
Assignee:
Trumpf Laser GmbH + Co. KG, Schramberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 26/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
An F/theta lens system for focusing high-power laser radiation in a flat image field including at least two lenses. The at least two lenses are arranged sequentially in a beam path, where the at least two lenses are made from a material that is stable when exposed to laser radiation having a power of more than 1 kW, and at least one of the lenses has at least one aspherical lens surface.