The present invention provides a digital vertical multi-valued logic device including a substrate defining a horizontal plane and a vertical direction normal to the horizontal plane, a substantially vertical conductive gate structure disposed above the substrate, source and drain regions, a ...http://www.google.fr/patents/US5777347?utm_source=gb-gplus-shareBrevet US5777347 - Vertical CMOS digital multi-valued restoring logic device
Vertical CMOS digital multi-valued restoring logic device
