Patent ID: 7704866
Filing Date: 2010-04-27
Classification: H01L,Y02E,Y10S

Abstract:
1. A method for forming a contact on a substrate, comprising: providing the substrate, the substrate being doped with a first dopant; diffusing a second dopant into at least a first side of the substrate to form a second dopant region, the first side further including a first side surface area; forming a dielectric layer on the first side of the substrate; forming a set of composite layer regions on the dielectric layer, wherein each composite layer region of the set of composite layer regions further includes a set of Group IV semiconductor nanoparticles and a set of metal particles; and heating the set of composite layer regions to a first temperature, wherein at least some composite, layer regions of the set of composite layer regions etch through the dielectric layer and form a set of contacts with the second dopant region.