ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,700,570, issued on Aug. 4, was assigned to ASM America Inc..
"RF impedance matching network" was invented by Imran Ahmed Bhutta (Moorestown, N.J.).
According to the abstract* released by the U.S. Patent & Trademark Office: "In one embodiment, an RF impedance matching circuit is disclosed. The matching circuit includes a series electronically variable capacitor (EVC) having first fixed capacitors. Each of the first fixed capacitors has a corresponding switch for switching in and out the fixed capacitor to alter the series variable capacitance. Each switch includes one or more diodes. A first inductor has a first terminal electrically coupled to the common ground and a second terminal e...