Patent ID: 7796085

Claim:
An antenna which is incorporated in a multilayer wiring board, wherein said antenna comprises: a plurality of radiating elements, each radiating element being laid on a face of a respective layer of said wiring board; a plurality of power supplying portions, each power supplying portion corresponding to one of the plurality of radiating elements, and each power supplying portion being laid on the face of the layer having the corresponding radiating element to directly supply electric power to the corresponding radiating element; a plurality of short-circuiting portions, each short-circuiting portion corresponding to one of the plurality of radiating elements, and each short-circuiting portion being laid on the face of the layer having the corresponding radiating element to ground the corresponding radiating element; and a connecting portion which penetrates said layers of said wiring board, and through which said power supplying portions are electrically connected to each other, the connecting portion being spaced from the short-circuiting portions.