Patent ID: 6635846
Filing Date: 2003-10-21
Classification: B41M

Abstract:
A method for selective laser compounding of an object comprising the steps of:providing a carrier effective for positioning at least one colorant adjacent to, but not in contact with, an object to be marked; positioning said colorant in juxtaposed relation with a surface of said object to be marked; providing a means for producing a continuous wave laser beam operating in a power range of about 50-250 watts, said means including a collimator and a lens; setting of said collimator and lens to produce a laser beam; configuring said laser beam to form lettering and graphical patterns of a desired image upon said carrier; steering said laser beam over said carrier to trace said desired image; and vitrifying a localized portion of said carrier and underlying surface in accordance with said desired image; wherein said surface of said object is altered to form a permanent mark including at least one colorant according to said desired image.