| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a wiring board in which an electronic component built inside the core board functions fully and the electric characteristics inside the board is stable. <P>SOLUTION: A wiring board 1 comprises a core board 2 comprising a front surface 3 and a rear surface 4, a through hole 5 penetrating the front surface 3 and the rear surface 4 of the core board 2, a chip capacitor (electronic component) 10 which is incorporated in the through hole 5 through an embedded resin 13 and comprises electrodes 11 and 12 on the front surface 3 and the rear surface 4 of the core board 2, a groove 7 so provided as to protrude outward in the thickness direction of the core board 2 on the side surface of the through hole 5, and a groove conductor 8 formed on the surface of inner wall of the groove 7. <P>COPYRIGHT: (C)2004,JPO</p> |
