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. 24, 2019
Filed:
Jul. 13, 2017
Applicant:
Coherent, Inc., Santa Clara, CA (US);
Inventor:
Michael Alexander Bellos, Lebanon, CT (US);
Assignee:
Coherent, Inc., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/33 (2006.01); B23K 26/082 (2014.01); B23K 26/06 (2014.01); B23K 26/02 (2014.01);
U.S. Cl.
CPC ...
G02F 1/33 (2013.01); B23K 26/02 (2013.01); B23K 26/06 (2013.01); B23K 26/082 (2015.10); G02F 2201/34 (2013.01); G02F 2203/07 (2013.01);
Abstract
A method of delivering a beam of laser-radiation to a workpiece for processing the workpiece comprises transmitting the beam twice through an inactive acousto-optic modulator (AOM) crystal in opposite zero-order directions of the AOM at separate locations on the AOM crystal, before delivering the beam to the workpiece. When laser-radiation is to be blocked from reaching the workpiece, the AOM is activated.