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. 05, 2022
Filed:
Apr. 25, 2017
Precitec Gmbh & Co. KG, Gaggenau, DE;
Andreas Rudolf, Kuppenheim, DE;
PRECITEC GMBH & CO. KG, Gaggenau, DE;
Abstract
The invention relates to a beam forming lens system for machining material using a laser beam, comprising a two-dimensional axicon array () featuring a plurality of microaxicons () for creating an annular laser beam intensity profile, the microaxicons () being provided with curved lateral surfaces (). The invention also relates to an apparatus for machining material using a laser beam, comprising a beam forming lens system of said type and a focusing lens system () for focusing the laser beam onto a workpiece (). The beam forming lens system is designed to create the annular laser beam intensity profile in a focal plane (F) of the focusing lens system ().