Radiation hardened complementary transistor integrated circuits

摘要

Integrated circuits with vertical isolated trenches are radiation hardened by providing vertical gate segments, preferably, of doped polycrystalline silicon, in the trenches and connected at the bottom of the trenches to a region of the same conductivity type. The surface devices may be complementary and the vertical gates may also be complementarily doped. A method of fabrication is described for a single crystal wafer, as well as SOI.