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:
Aug. 01, 2023
Filed:
Mar. 22, 2019
Lawrence Livermore National Security, Llc, Livermore, CA (US);
Sonny S. Ly, Mountain House, CA (US);
Jeffrey D. Bude, Livermore, CA (US);
Gabriel Mark Guss, Manteca, CA (US);
Wesley John Keller, Orinda, CA (US);
Raluca A. Negres, Pleasanton, CA (US);
Alexander M. Rubenchik, Livermore, CA (US);
Nan Shen, Milpitas, CA (US);
Lawrence Livermore National Security, LLC, Livermore, CA (US);
Abstract
The present disclosure relates to a laser system for processing a material. The system may make use of a laser configured to intermittently generate a first laser pulse of a first duration and a first average power, at a spot on a surface of the material being processed, and a second laser pulse having a second duration and a second peak power. The second duration may be shorter than the first duration by a factor of at least 100, and directed at the spot. The second laser pulse is generated after the first laser pulse is generated. The first laser pulse is used to heat the spot on the surface of the material, while the second laser pulse induces a melt motion and material ejection of molten material from the melt pool.