ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,534, issued on Oct. 21, was assigned to XEROX Corp. (Norwalk, Conn.).
"Printer jetting mechanism and printer employing the printer jetting mechanism" was invented by David K. Biegelsen (Portola Valley, Calif.) and Jeng Ping Lu (Fremont, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A 3D printer includes an ejector device including a substrate and a plurality of ejector conduits on the substrate. Each ejector conduit includes: a first end positioned to accept a print material and a second end including an ejector nozzle. The ejector nozzle includes a first electrode and a second electrode, and a passageway for allowing the print material to f...