摘要 |
A printed wiring board including a core substrate, a build-up layer formed over the core substrate and including a first insulating layer, a conductor layer formed over the first insulating layer, and a second insulating layer formed over the conductor layer, and one or more wiring patterns formed over the first insulating layer. The conductor layer includes conductor portions, and the conductor portions have notched portions, respectively, facing each other across the wiring pattern. |