Drinker Biddle & Reath LLP
Antenna element and semiconductor device
An antenna element includes: a radio transceiver that transmits and receives a radio wave; a signal input pad; a ground layer; an antenna that has a connection portion for electrically connecting the radio transceiver to the ground layer and the signal input pad; a silicon substrate on which the antenna is formed; and an insulating film for electrically insulating the silicon substrate from the antenna. The radio transceiver is disposed on a first surface of the silicon substrate with the insulating film interposed therebetween. The ground layer and the signal input pad are disposed on a second surface of the silicon substrate opposite to the first surface thereof with the insulating film interposed therebetween. The connection portion is disposed to penetrate the silicon substrate.
Shinko Electric Industries Co., Ltd.
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Tomoharu
Fujii