Patent ID: 7985926
Filing Date: 2011-07-26
Classification: H05K,Y10T

Abstract:
1. A printed circuit board on which an electronic component having a plurality of external terminals is to be mounted, comprising: an insulating layer having a plurality of through holes; a terminal part provided on one surface of said insulating layer and connectable to any of said plurality of external terminals of said electronic component; a reinforcing board having thermal conductivity provided on the other surface of said insulating layer; and a thermal conductive material filled in said plurality of through holes, wherein said thermal conductive material is brought into contact with said terminal part or exposed on said one surface of said insulating layer to be connectable to any of said plurality of external terminals of said electronic component, while being brought into contact with said reinforcing board, and a plurality of portions in said reinforcing board that are in contact with said thermal conductive material in said plurality of through holes are insulated from one another, wherein said reinforcing board has a plurality of openings that communicate with said plurality of through holes, and said thermal conductive material is filled in said plurality of through holes and said plurality of openings.