CMOS-Halbleitervorrichtung und Verfahren zu deren Herstellung

摘要

There are disclosed a semiconductor device and a method for fabrication thereof. The semiconductor device comprises an insulating film for well isolation which electrically insulates N-well from P-well, the drain electrode of PMOS and the drain electrode of NMOS being adjacent to the trench for well isolation, and a conductive wire filling one contact hole which interconnects the drain electrodes of N-well with those of P-well. The semiconductor device is very reduced in size, and thus, high integration thereof can be achieved.