Patent ID: 6297533
Filing Date: 2001-10-02
Classification: H01L,Y10S

Abstract:
A lateral conduction MOS structure, comprising;a semiconductor substrate of a first conductivity type having an epitaxial semiconductor layer of said first conductivity type disposed thereon, said substrate being electrically connected to ground;a source layer and a drain layer, said source layer and said drain layer being of a second conductivity type;a channel layer disposed between said source layer and said drain layer, said channel having an oxide layer and a gate disposed thereon;metalization for said source layer and said drain layer on a top surface of the structure; anda conductive via for making an electrical connection from said top surface to said substrate; wherein said substrate, epitaxial semiconductor layer, source layer, and said channel layer each define an opening therein having a maximum width of less than 6 microns, and wherein said conductive via is disposed within said opening and connects said source layer to said substrate.