Patent ID: 8125059
Filing Date: 2012-02-28
Classification: H01L

Abstract:
1. A semiconductor device formed by stacking a plurality of LSI chips, the semiconductor device comprising: a first LSI chip including a transmitter circuit of electromagnetic signals; a second LSI chip including a receiver circuit of electromagnetic signals; and an interposer including a first inductor inductively coupled with the transmitter circuit of the first LSI chip and a second inductor inductively coupled with the receiver circuit of the second LSI chip, the first inductor and the second inductor being electrically connected to each other, wherein an intership communication is performed from the first LSI chip to the second LSI chip, the interposer is stacked between the first LSI chip and the second LSI chip, the first inductor is arranged to face the transmitter circuit of the first LSI chip, the second inductor is arranged to face the receiver circuit of the second LSI chip, and the first inductor and the second inductor are arranged at different positions from each other in plan view.