ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,378,164, issued on Aug. 5, was assigned to QUANTUMSCAPE BATTERY INC. (San Jose, Calif.).

"Rapid thermal processing methods and apparatus" was invented by Timothy Holme (Mountain View, Calif.), Martin Winterkorn (San Jose, Calif.), Dylan Tozier (San Jose, Calif.) and Murugan Ramaswamy (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and apparatus for fabricating separators for solid-state lithium metal batteries employ rapid thermal processing. Aspects include high temperature sintering. Temperatures, durations of heat application, and proximity of heating elements to materials undergoing sintering combine to provide separators wit...