Patent ID: 8944335
Filing Date: 2015-02-03
Classification: G06K,H01L,H01Q,H05K

Abstract:
1. A wireless IC device comprising: a substrate including a first main surface and a second main surface facing the first main surface; a wireless IC element provided on a side of the first main surface and arranged to process a high-frequency signal; a first radiator including first and second ends, provided on a side of the second main surface, and coupled to the wireless IC element via a feeding circuit including a first interlayer conductor; and a second radiator including first and second ends, provided on the side of the first main surface, and coupled to the first radiator via a second interlayer conductor; wherein the wireless IC element is connected to the first end of the first radiator; the first end of the second radiator is connected to the second end of the first radiator; and the second end of the second radiator is not connected to the wireless IC element such that the second radiator is open.