Patent ID: 6064683
Filing Date: 2000-05-16
Classification: H01L,H01S

Abstract:
A device comprising:a first region of material, having at least a portion of a first semiconductor type and having a first energy bandgap;a second region of material having a second energy bandgap, adjacent to said first region of material; anda first implant or diffusion of material of the first semiconductor type situated in a first portion of said second region; andwherein:a second portion of said second region of material is of the second semiconductor type;a first junction is of said first region of material of the first semiconductor type and the second portion of said first or second region of material of the second semiconductor type;a second junction is of said first implant or diffusion of material of the first semiconductor type in the first portion of said second region and the second portion of said second region of material of the second semiconductor type; andthe second energy bandgap is wider than the first energy bandgap.