Patent ID: 6710429
Filing Date: 2004-03-23
Classification: H01L

Abstract:
A semiconductor device, comprising:a plurality of leads having a top surface, a bottom surface, two side surfaces, and two end surfaces, said leads having a square cross section shape perpendicular to the longitudinal direction of the leads; a resin encapsulated body having a first surface, a second surface opposite said first surface, and four side surfaces through which said leads project, each of said leads comprises a first area wherein all of said top surface, bottom surface, and two side surfaces are covered by said resin encapsulated body, a second area wherein said top surface is covered by said resin encapsulated body and said bottom surface and said two side surfaces are exposed from said resin encapsulated body, and a third area wherein said top surface, bottom surface, two side surfaces, and two end surfaces are exposed from said resin encapsulated body.