Abstract
The fabrication scheme of a novel MOS-based power device, a monolithic bidirectional switch (MBS), is presented. This concept allows the integration of a bidirectional switch with the advantages of low power consumption, small package size, and low fabrication costs. Furthermore, device simulations predict a performance benefit for power applications such as matrix converters. In an MBS, the field effect is used to control carrier concentrations in elevated structures made up of nearly intrinsic silicon. A CMOS-compatible nano-fabrication process for the MBS is proposed, employing local oxidation of silicon for self-aligned contact formation. First electrical results are presented.
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