Patent ID: 6448111
Filing Date: 2002-09-10
Classification: H01L

Abstract:
A method of manufacturing a semiconductor device comprising the steps of:(a) providing a lead frame comprised of metal, said lead frame including frame bodies extending parallel to each other, said lead frame having a film base material having a first surface and a second surface that is opposed to said first surface, and a plurality of electric conductors formed on said first surface wherein said film base material is adhered on said frame bodies and adhered area of said film base material is separated in plural portions on an edge of said film base material; (b) mounting a semiconductor chip on said first surface of said film base material, said semiconductor chip having a plurality of external terminals formed on its main surface; (c) electrically connecting between said external terminals and said electric conductors by means of wires, respectively; (d) sealing said semiconductor chip, said plurality of electric conductors and said wires by resin; and (e) forming a plurality of bump electrodes on said second surface of said film base material.