Patent ID: 6429041
Filing Date: 2002-08-06
Classification: H01L,Y10S

Abstract:
A method of fabricating a silicon carbide power device comprising the steps of:forming a first p-type silicon carbide epitaxial layer on an n-type silicon carbide substrate; forming at least one first region of n-type silicon carbide through the first p-type silicon carbide epitaxial layer and extending to the n-type silicon carbide substrate so as to provide at least one channel region in the first p-type silicon carbide epitaxial layer; forming at least one second region of n-type silicon carbide in the first p-type silicon carbide epitaxial layer which is adjacent and spaced apart from the first region of n-type silicon carbide; and forming a gate dielectric on all of the first region of n-type silicon carbide and at least a portion of the second region of n-type silicon carbide.