| 摘要 |
A wiring board including a core substrate having an accommodation portion, an electronic component in the accommodation portion having a substrate, a resin layer on a surface of the substrate and an electrode on the resin layer, a first interlayer resin insulation layer on a surface of the core substrate and a surface of the substrate of the component, and a second interlayer resin insulation layer on the opposite surface of the core substrate and a surface of the substrate having the resin layer and electrode. The first insulation layer has resin in the amount greater than the amount of resin in the second insulation layer such that the total amount of resin component including the resin in the first insulation layer is adjusted to be substantially the same as the total amount of resin component including the resin in the second insulation layer and resin in the resin layer.
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