Patent ID: 8314344
Filing Date: 2012-11-20
Classification: H01L,H05K,Y10T

Abstract:
1. A wiring board, comprising: a substrate main body; a piercing electrode configured to pierce the substrate main body; a first wiring pattern provided at a first surface side of the substrate main body, the first wiring pattern being electrically connected to one end part of the piercing electrode, the first wiring pattern having a pad, the pad being where an electronic component is mounted; a second wiring pattern provided at a second surface side of the substrate main body, the second surface side being situated at a side opposite to the first surface side, the second wiring pattern being electrically connected to another end part of the piercing electrode, the second wiring pattern having an external connection pad; and a first insulation resin layer provided at the first surface side of the substrate main body and configured to cover a part of the first wiring pattern excluding the pad, the first insulation resin layer having an opening part where the pad is exposed; wherein a first recess part and a first resin configured to cover the first recess part are provided at a corner part of the wiring board facing the first surface side so as to surround the first wiring pattern, and the first recess part is formed in the substrate main body and the first insulation resin layer and configured to notch a first corner part of the substrate main body positioned at the first surface side; wherein the first resin is exposed at an upper surface of the first insulation resin layer.