US Patent Issued to International Business Machines on July 21 for "Steep-switching transistor including three-dimensional Dirac energy filter" (Swiss Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,690,247, issued on July 21, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Steep-switching transistor including three-dimensional Dirac energy filter" was invented by Bogdan Cezar Zota (Ruschlikon, Switzerland), Lorenzo Rocchino (Zurich), Federico Balduini (Switzerland, Switzerland), Heinz Schmid (Waedenswil, Switzerland) and Bernd W. Gotsmann (Horgen, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor structure includes a nanosheet stack on a substrate. The nanosheet stack has alternating layers of channel nanosheets and sacrificial nanosheets, which are formed between a first source/drain (S/D) region an...