Patent ID: 6248962
Filing Date: 2001-06-19
Classification: G01R,H01L,H05K,Y10S

Abstract:
An electrically conductive apparatus, comprising:a substrate having a pillar projecting upwardly therefrom, the pillar having a top surface and having side surfaces extending to an upper surface of the substrate, the pillar and substrate comprising a semiconductive material;a layer of insulative material extending over the substrate upper surface, and extending over the top and side surfaces of the pillar;a cap of first electrically conductive material coating the pillar top surface and only portions of the pillar side surfaces, the cap having top and side portions and being over the layer of insulative material at the pillar top surface and the coated portions of the pillar side surfaces; anda conductive trace of second electrically conductive material on the substrate, the trace extending over the layer of insulative material adjacent portions of the pillar side surfaces not covered by the cap and electrically connecting with the cap.