US Patent Issued to International Business Machines on May 20 for "Isolation pillar structures for stacked device structures" (New York Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,310,064, issued on May 20, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Isolation pillar structures for stacked device structures" was invented by Ruilong Xie (Niskayuna, N.Y.), Julien Frougier (Albany, N.Y.), Kangguo Cheng (Schenectady, N.Y.), Chanro Park (Clifton Park, N.Y.) and Min Gyu Sung (Latham, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A microelectronic structure comprises a first stacked device structure comprising a first upper device and a first lower device, a second stacked device structure comprising a second upper device and a second lower device, and an isolation pillar structure located between the fi...