COMPOSITE SUBSTRATE WITH CRYSTALLINE SEED LAYER AND CARRIER LAYER WITH A COINCIDENT CLEAVAGE PLANE

摘要

A structure and a method can provide forming a structure for a crystalline seed layer material, such as GaN, on a crystalline carrier material, such as sapphire, aligned such that a common crystal plane exists between the two materials. The common crystal plane may provide for a fracture surface along a cleavage plane that may be oriented to be perpendicular to the top surface of an optoelectronic device as well as perpendicular to a light emission direction.