ALEXANDRIA, Va., June 2 -- United States Patent no. 12,646,846, issued on June 2, was assigned to INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE (Hsinchu, Taiwan).

"Heterogeneous material integration antenna" was invented by Chun-An Lu (Taipei City, Taiwan), Wei-Yu Li (Hsinchu City, Taiwan), Wei Chung (Hsinchu County, Taiwan) and Jiun-Jang Yu (Hsinchu City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A heterogeneous material integration antenna includes grounded conductive layer, dielectric layer, dielectric pieces, and antenna conductive structure. Dielectric layer is spaced apart from grounded conductive layer by first distance, and dielectric layer has first dielectric constant. Dielectric pieces each...