Patent ID: 8884334
Filing Date: 2014-11-11
Classification: H01L

Abstract:
1. A transistor, comprising: a first layer of a first type disposed over a buffer layer, the first layer of the first type having a first concentration of a first material; a first layer of a second type disposed over the first layer of the first type; a second layer of the first type disposed over the first layer of the second type, the second layer of the first type having a second concentration of the first material that is greater than the first concentration of the first material; a source and a drain laterally spaced from one another and disposed over the buffer layer; and a gate disposed over at least a portion of the second layer of the first type and disposed within a recessed area defined by the first and second layers of the first type and the first layer of the second type such that at least a portion of the first layer of the first type is interrupted by the gate.