Patent ID: 8546698
Filing Date: 2013-10-01
Classification: H05K,Y10T

Abstract:
1. A wiring board, comprising: a core substrate comprising a first rigid wiring board comprising a resin substrate and a second rigid wiring board comprising a resin substrate; a wiring layer formed on a surface of the core substrate and having a connection portion such that the connection portion of the wiring layer is connecting the first rigid wiring board and the second rigid wiring board in the core substrate; and an interlayer insulation layer formed on the surface of the core substrate and the wiring layer formed on the surface of the core substrate such that the interlayer insulation layer is extending over the first rigid wiring board and the second rigid wiring board, wherein the wiring layer includes a single wiring layer forming a wiring pattern on the first rigid wiring board, a wiring pattern on the second rigid wiring board and the connection portion of the wiring layer, the first rigid wiring board and the second rigid wiring board are positioned such that the surfaces of the first rigid wiring board and the second rigid wiring board are set at substantially a same level and form the surface of the core substrate.