Patent ID: 8957320
Filing Date: 2015-02-17
Classification: H01L,H05K

Abstract:
1. A printed wiring board, comprising: a substrate having an accommodation section having a plurality of opening portions, each penetrating through the substrate having a substantially rectangular shape; a plurality of electronic components accommodated in the plurality of opening portions, respectively; a filler resin provided in the opening portions in the substrate such that the electronic components are secured in the opening portions in the substrate; a resin insulation layer formed over the substrate and the electronic components; a conductive layer formed on the resin insulation layer; and a plurality of via conductors formed in the resin insulation layer and connecting the conductive layer and the electronic components, wherein the plurality of opening portions is formed such that adjacent opening portions are only partially connected to each other in the substrate in a same horizontal plane and that each of the opening portions is configured to accommodate one of the electronic components.