Patent ID: 6590275
Filing Date: 2003-07-08
Classification: H01L

Abstract:
A semiconductor device comprising:a base substrate having a main surface, a rear surface opposed to said main surface, a flexible film base, a plurality of first electrode pads arranged on the main surface and arrayed along a periphery of the main surface, a plurality of second electrode pads arrayed at an internal area of an array of the first electrode pads, a plurality of wirings electrically connecting the first electrode pads with the second electrode pads, respectively, and insulation films arranged on the main surface and at internal area of the array of the first electrode pads; a semiconductor chip having a main surface, a rear surface opposed to the main surface, a plurality of semiconductor elements and a plurality of electrodes formed on the main surface thereof, wherein the semiconductor chip is mounted on the main surface of the base substrate through an adhesive; wherein the electrodes are electrically connected with the first electrode pads by bonding wires, respectively, wherein the semiconductor chip, the first electrode pads and the bonding wires are sealed by resin, wherein the insulation films are separated from each other in a plane view, wherein the insulation films are not provided on the rear surface of the base substrate, and wherein the insulation films are comprised of an insulation layer formed from photosensitive resin and formed by photosensitive processing and development processing.