Patent ID: 8754336

Claim:
A wiring board comprising: wiring layers; vias protruding from an outermost one of the wiring layers so that the wiring layers respectively include vias; insulating layers disposed alternately with the wiring layers, an outermost one of the insulating layers covering the outermost one of the wiring layers so as to embed the vias therewithin, the outermost one of the insulating layers having recesses; connection pads respectively disposed within the recesses so as to be connected with the vias; and surface plated layers respectively disposed on the connection pads within the recesses, wherein an outer peripheral edge of each of the connection pads is retracted from an outer peripheral edge of a corresponding one of the surface plated layers toward a center of the connection pad, wherein an outermost face of each of the surface plated layers is indented from an outermost face of the outermost one of the insulating layers, wherein a peripheral edge portion of the outermost face of each of the surface plated layers is covered by one of said insulating layers of said wiring board, wherein each of the vias is connected to one face of a corresponding one of the connection pads, the one face being opposite to an other face on which a corresponding one of the surface plated layers is formed, wherein via holes are formed in the insulating layers, each of the via holes exposing the one face of the corresponding one of the connection pads, wherein each of the via holes has a circular truncated cone-like shape in which a diameter decreases towards the one face of the corresponding one of the connection pads, and wherein the vias are respectively provided in the via holes.