Patent ID: 6573541
Filing Date: 2003-06-03
Classification: H01L

Abstract:
A semiconductor field effect device comprising:a silicon substrate having a plurality of channel regions of a first depth wherein each said channel region having first and second portions and wherein each said channel region abuts a channel stop; a plurality of first gate oxide regions wherein one of said first gate oxide regions is defined over each of said first portion of each of said channel regions; a plurality of first gate electrodes wherein one of said first gate electrodes is defined over each of said first gate oxide regions; a plurality of second gate oxide regions wherein one of said second gate oxide regions is defined over each of said second regions of each of said second portion of each of said channel regions; a plurality of second gate electrodes wherein one of said second gate electrodes is defined over each of said second gate oxide regions, wherein said first and second channel regions abut, and wherein said first and second gate electrodes abut a common insulator; a channel well integral with said channel region and extending part way under each of said first and second gate electrodes, said channel well having a second depth deeper than said first depth; and signal lines running over said channel stops wherein said signal lines make electrical connection to every fourth gate electrode.