ALEXANDRIA, Va., June 16 -- United States Patent no. 12,658,562, issued on June 16, was assigned to Phoenix Pioneer Technology Co. Ltd. (Hsinchu County, Taiwan).

"Hollow antenna substrate and its manufacturing method for antenna packaging applications" was invented by Pao-Hung Chou (Hsinchu County, Taiwan), Ming-Yeh Chang (Hsinchu County, Taiwan) and Shih-Ping Hsu (Hsinchu County, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hollow antenna substrate includes at least three layers of substrate structure. The first layer of the substrate has a first patterned metal layer and a first dielectric layer, with the first patterned metal layer embedded within the first dielectric layer, and a first upper s...