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:
Jul. 16, 2013
Filed:
Oct. 28, 2009
Applicants:
Arne Koops, Neu-Lankau, DE;
Sven Reiter, Hamburg, DE;
Bernd Lühmann, Norderstedt, DE;
Inventors:
Assignee:
tesa SE, Hamburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 26/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a method of and apparatus for marking or inscribing a workpiece () with high-energy radiation, more particularly with a laser beam (), the workpiece () having a light-scattering surface () and the material of the workpiece () being transparent for the radiation wavelength, and a polymer matrix () being disposed on the workpiece () in such a way that the radiation passes through the workpiece () and its light-scattering surface () before impinging on the polymer matrix (), characterized in that the light-scattering surface () of the workpiece () is wetted with a liquid or viscoelastic medium ().