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1. (WO2017149496) SYSTEM AND METHOD FOR MARKING A SUBSTRATE

Pub. No.:    WO/2017/149496    International Application No.:    PCT/IB2017/051232
Publication Date: Sat Sep 09 01:59:59 CEST 2017 International Filing Date: Fri Mar 03 00:59:59 CET 2017
IPC: B23K 26/00
Applicants: LI, Tong
Inventors: LI, Tong
Title: SYSTEM AND METHOD FOR MARKING A SUBSTRATE
Abstract:
A method of marking a substrate may include first coating at least a portion of a surface of the substrate with at least one layer of a flammable material, such as thermite or a metal powder. The method may then include directing a laser beam to the coated surface to at least one of heat and ignite the flammable material, which in turn may cause a removal of material of the substrate to result in marking of the substrate.