Patent ID: 9041417
Filing Date: 2015-05-26
Classification: G01R,H01L

Abstract:
1. A non-transitory computer-readable medium containing a set of instructions that when executed cause a computer to perform a method of determining an interface trap density at an interface between a semiconductor and a dielectric or oxide layer disposed on a surface of the semiconductor, the method comprising: determining a dielectric capacitance, C wherein an initial electric charge placed on at least a portion of a surface of the dielectric or oxide layer creates an accumulation state in the semiconductor and results in an electric charge, Q wherein the at least two increments of additional electric charge having an opposite sign as the initial electric charge placed on the at least a portion of the surface of the dielectric or oxide layer places the semiconductor in depletion and changes the electric charge, Q wherein the measured contact potential difference voltage, V determining a flat band voltage, V determining one or more surface barrier voltage values, V determining one or more interface trap densities, D