MUMBAI, India, Oct. 12 -- Intellectual Property India has published a patent application (202617086889 A) filed by International Business Machines Corporation on July 16, 2026, for Self-Aligned Backside Channel Removal.

Inventors include Vega, Reinaldo; Xie, Ruilong; Mazza, James; Ando, Takashi; Lanzillo, Nicholas; and Wolpert, David.

The application for the patent was published on October 09, 2026, under issue no. 41/2026.

Abstract: A semiconductor structure including a first stack of semiconducting layers, a second stack of semiconducting layers, wherein the first stack of semiconducting layers has at least one fewer layer than the second stack of semiconducting layers, and a backside channel plug directly beneath the first stack of se...