Patent ID: 9017775
Filing Date: 2015-04-28
Classification: B23K,B44F,C23F,C25D

Abstract:
1. A process for the treatment of parts to create a surface with areas with shiny and matte appearances, comprising: performing selective texturing of a second metallic layer that resides on a first copper layer located on a surface of a part, wherein the selective texturing of the second metallic layer is performed according to the area or areas to be matted with respect to the rest of the surface of the part by a laser which goes over desired area or areas to be matted, wherein the operation time and operation power of the laser are controlled for texturing the second metallic layer, wherein the laser is a Yag laser with a wavelength of 1064 nm and the operation power is set at 100 W, wherein, after the selective texturing is performed, a layer of non-corrodible metal is applied on the surface of the second metallic layer by physical vapor deposition (PVD), and wherein the non-corrodible metal is a combination of Zr and Cr, wherein the second metallic layer comprises in turn a lower layer of nickel and another upper layer of chromium, the selective texturing occurring on the layer of chromium.