Patent ID: 6201294
Filing Date: 2001-03-13
Classification: H01L

Abstract:
A ball grid array (BGA) semiconductor package, comprising:a paddle;a semiconductor chip on the paddle;a plurality of first leads around a periphery of the paddle;a plurality of second leads attached to a lower surface of each of the first leads, wherein the first and second leads are formed from two different lead frames and the second leads comprise first and second parts and each of the first parts is substantially longer than each of the second parts;a plurality of conductive wires electrically connecting the semiconductor chip and the first leads;a molding unit sealing the paddle, the semiconductor chip, the first leads, the second leads, and the conductive wires, except for a lower portion of the second leads, wherein the molding unit and the lower portion of the second leads form a substantially flat surface; anda plurality of solder balls attached to the lower portions of each of the second leads, the solder balls directly physically contacting the second leads.