Patent ID: 11948801
Assignee: NEXGEN POWER SYSTEMS, INC.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A field-effect transistor (FET) device, comprising:
a semiconductor substrate;
a first semiconductor layer coupled to the semiconductor substrate, wherein the first semiconductor layer is characterized by a first conductivity type and a first dopant concentration;
a second semiconductor layer coupled to the first semiconductor layer, wherein the second semiconductor layer is characterized by the first conductivity type;
a marker layer coupled to the second semiconductor layer;
a third semiconductor layer coupled to the marker layer, wherein the third semiconductor layer is characterized by the first conductivity type;
a plurality of fins coupled to the third semiconductor layer, wherein each of the plurality of fins is separated by one of a plurality of recess regions extending to the second semiconductor layer, wherein the each of the plurality of fins is characterized by the first conductivity type and a second dopant concentration;
a fifth semiconductor layer epitaxially grown within the plurality of recess regions, wherein the fifth semiconductor layer is characterized by a second conductivity type opposite to the first conductivity type;
a source metal layer coupled to each of the plurality of fins; and
a gate metal layer coupled to the fifth semiconductor layer.