Patent ID: 6806548
Filing Date: 2004-10-19
Classification: H01L

Abstract:
A semiconductor device comprising:a first region and a second region formed over a main surface of a semiconductor substrate; a plurality of first conductors and a plurality of second conductors formed in the first and second regions, respectively; a first semiconductor region and a second semiconductor region formed between adjacent said first conductors in the first region, the second semiconductor region lying in the first semiconductor region and having a conductivity type opposite to that of the first semiconductor region; a third semiconductor region formed between adjacent said second conductors in the second region, the third semiconductor region having the same conductivity type as that of the second semiconductor region and being lower in density than the second semiconductor region; a metal formed over the semiconductor substrate in the second region, the third semiconductor region having a metal contact region for contact with the metal, the metal being electrically connected to the second semiconductor region, and a center-to-center distance between adjacent said first conductors in the first region being smaller than that between adjacent said second conductors in the second region.