Patent ID: 6398899
Filing Date: 2002-06-04
Classification: B29C,H05K,Y10T

Abstract:
A manufacturing method for an electromagnetic shielding sheet comprising the steps of:positioning a conductive mesh and a thermosoftened thermoplastic resin sheet between a pressure applying body and a pressure applying body, a thickness of said conductive mesh being approximately 20 to 180 &mgr;m; imbedding at least one side of said conductive mesh in said thermoplastic resin sheet from one side of said thermosoftened thermoplastic resin sheet by means of the application of pressure, wherein a peripheral portion of at least one of said pressure applying bodies has a section in which the surface roughness is greater to apply less pressure, one part of said thermoplastic resin sheet and one part of said conductive mesh are positioned over the section of said pressure applying body having greater roughness to form an exposed portion of the conductive mesh at the section; and connecting an earthing terminal to said exposed portion of the conductive mesh.