Patent ID: 6319554
Filing Date: 2001-11-20
Classification: C23C,H05K

Abstract:
A process for depositing at least one source metal onto at least one receiving metal, wherein said receiving metal is secured to a substrate, comprising the steps of:(a) placing said substrate containing said receiving metal in a pressure chamber containing at least one source metal, and wherein at least a portion of at least one inert material is secured to said source metal,(b) controllably introducing at least one iodic gas into said pressure chamber from a container separate from said pressure chamber, the container containing at least one carrier gas and an iodic fluid selected from the group consisting of hydriodic acid and hydriodic acid forming fluid mixtures,(c) heating said pressure chamber and its contents in a non-oxidizing environment at a temperature in the range from between about 25.degree. C. to about 1,000.degree. C., for a period of time ranging to a maximum of about 200 minutes.(d) allowing said pressure chamber and its contents to cool so that said receiving metal has at least one layer of said source metal adhered thereto, and(e) removing said substrate containing said adhered layer of source metal to said receiving metal, from said pressure chamber.