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1. (WO2013163433) LASER JOINING DEVICE

Pub. No.:    WO/2013/163433    International Application No.:    PCT/US2013/038223
Publication Date: Fri Nov 01 00:59:59 CET 2013 International Filing Date: Fri Apr 26 01:59:59 CEST 2013
IPC: B23K 26/20
Applicants: ALERE SAN DIEGO, INC.
Inventors: OLSSON, Erik, Mikael
RIVERON, Jonathan
TOVAR, Armando, Raul
Title: LASER JOINING DEVICE
Abstract:
The present invention relates to methods for joining materials as well as articles manufactured using such processes. The invention pertains to a process for joining a first substrate to a second substrate. The process includes irradiating a portion of a first substrate with a laser beam having a first wavelength and intensity sufficient to increase the absorbance of the first substrate to light having a second, different wavelength. The laser beam may carbonize at least a portion of the irradiated portion of the first substrate imparting a higher absorbance to light than non-irradiated portions of the first substrate. A second substrate is then placed in contact with the irradiated portion of the first substrate. The first substrate is then irradiated with a second laser having a second wavelength, different to the first wavelength; with a sufficient intensity to heat and, preferably melt, the irradiated portion of the first substrate.