Patent ID: 9750136
Date: 2017-08-29
CPC Classifications: H05K

Claim:
1. A wiring board, comprising: an insulating substrate; a first conductor layer laminated on a first side of the insulating substrate; a second conductor layer laminated on a second side of the insulating substrate; a plurality of first plating posts fitted in a plurality of through holes in the insulating substrate respectively such that the plurality of first plating posts is projecting from the first conductor layer; a plurality of plating connecting parts connecting the second conductor layer and the first plating posts and having a plurality of electronic component connecting portions such that the plurality of electronic component connecting portions forms an electronic component mounting part positioned to mount an electronic component and is positioned on the plurality of through holes, respectively; and a plurality of second plating posts fitted in the plurality of through holes in the insulating substrate respectively such that the plurality of second plating posts is projecting from the second conductor layer and abutting against the plurality of first plating posts, respectively, wherein the plurality of second plating posts has a plurality of second holes formed such that the plurality of second holes is penetrating through the plurality of second plating posts in a thickness direction of the insulating substrate respectively, and the plurality of plating connecting parts is formed inside the plurality of second holes, respectively.