LASER IMAGE MARKING METHOD FOR NOBLE METAL ACCESSORIES AND NOBLE METAL ACCESSORY PRODUCED BY THE SAME

摘要

PURPOSE: Provided are a laser image marking method for noble metal accessories, which can produce the satisfactory noble metal accessories matching propensity or individuality of consumer, and a noble metal accessory produced by the same. CONSTITUTION: The method comprises the steps of (i) producing a noble metal alloy essentially comprising gold so as to plate the surface of the alloy with specific material; (ii) producing a noble metal accessory having predetermined shape by using the noble metal alloy; (iii) forming a titanium film on surface of the accessory; and (iv) converting a digital data produced by read an image to be marked on the titanium coat with scanner, digital camera, and so on, into a data for laser marking by using a laser marking device, and then marking the image by using a laser light having rated output of 3-20 watt and generation wavelength of 532-1064 micrometer.