US Patent Issued to Advanced Energy Industries on May 20 for "Active switch on time control for bias supply" (Colorado Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,210, issued on May 20, was assigned to Advanced Energy Industries Inc. (Denver).

"Active switch on time control for bias supply" was invented by Maneesh Kumar Singh (Fort Collins, Colo.) and Hien Minh Nguyen (Longmont, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Bias supplies and plasma processing systems are disclosed. One bias supply comprises an output node, a return node, and a switch network and at least one power supply coupled to the output node and the return node. The switch network and the at least one power supply configured, in combination, to apply an asymmetric periodic voltage waveform and provide a corresponding current wave...