ALEXANDRIA, Va., June 12 -- United States Patent no. 12,302,487, issued on May 13, was assigned to Applied Materials Inc. (Santa Clara, Calif.).

"Particle accelerator having novel electrode configuration for quadrupole focusing" was invented by Wai-Ming Tam (Manchester-by-the-Sea, Mass.) and Frank Sinclair (Hartland, Maine).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus may include a drift tube assembly, comprising a plurality of drift tubes to conduct an ion beam along a beam propagation direction. The plurality of drift tubes may define a multi-gap configuration corresponding to a plurality of acceleration gaps, wherein the plurality of drift tubes further define a plurality of RF quadrupoles, ...