ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,571, issued on Dec. 30, was assigned to The Education University of Hong Kong (Hong Kong, Hong Kong).
"Microstrip phase inverter including first and second strip lines connected by vias to an insert conductor layer" was invented by Wai Yin Mung (Hong Kong, Hong Kong).
According to the abstract* released by the U.S. Patent & Trademark Office: "A microstrip phase inverter includes a bottom layer, a first dielectric layer, an insert conductor (IC) layer, a second dielectric layer, a top layer, at least one first via, and a pair of second vias. The first dielectric layer is disposed over the bottom layer. The IC layer is disposed over the first dielectric layer. The second dielectric...