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:
Mar. 16, 1999
Filed:
Sep. 05, 1997
Applicant:
Inventors:
Walter Lutze, Jena, DE;
Ralf Schwarze, Luneburg, DE;
Frank Schmieder, Burgel, DE;
Wolfgang Schmidt, Soest, DE;
Rainer Schulze, Jena, DE;
Assignee:
Jenoptik Aktiengesellschaft, Jena, DE;
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
264400 ; 21912171 ; 21912176 ; 264409 ; 264482 ; 264156 ;
Abstract
A method is described for producing a line-shaped weakening in a flat material by one-sided local removal of the flat material by controllable pulsed laser radiation. The occurring line-shaped weakening is not visible on the surface of the flat material that is not machined and has a reproducible constant breaking resistance.