ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,303, issued on June 17, was assigned to Advanced Energy Industries Inc. (Denver).

"Apparatus for producing a waveform" was invented by Hien Minh Nguyen (Longmont, Colo.) and Gideon Van Zyl (Fort Collins, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Bias supplies, plasma processing systems, and associated methods are disclosed. One bias supply comprises a first inductor coupled between a first node of a switch and an output node where a first node of a second inductor is coupled to one of the output node or the first node of the switch. A voltage source is coupled between a second node of the switch and a second node of the second inductor. A...