Patent ID: 6211052
Filing Date: 2001-04-03
Classification: H01L

Abstract:
A method of relocating a conductive element of a semiconductor substrate, said method comprising the steps of:forming a semiconductor substrate having integrated circuitry, having at least one surface, and having at least one conductive circuit on a portion of said at least one surface of said substrate connected to a portion of said circuitry, said at least one conductive circuit terminating in a bond pad, said at least one conductive circuit having a portion thereof covered by at least one first passivation layer except for said bond pad;forming a conductive trace of solder wettable material from said bond pad of said at least one conductive circuit to a location for another conductive element on said at least one surface of said semiconductor substrate, said conductive trace of solder wettable material contacting at least a portion of said bond pad of said at least one conductive circuit and extending over a portion of said at least one first passivation layer, said conductive trace of solder wettable material having a first surface and a second surface, a portion of said second surface contacting a portion of said bond pad;forming at least one second passivation layer over a portion of said at least one surface of said semiconductor substrate and said conductive trace; andetching a sloped-wall via through said at least one second passivation layer extending to a portion of said first surface of said conductive element at said location for another conductive trace located on said at least one surface of said semiconductor substrate.