ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,537,143, issued on Jan. 27, was assigned to Pacesetter Inc. (Sylmar, Calif.).

"Aluminum oxide layer on anode foil for aluminum electrolytic capacitor" was invented by Ralph Jason Hemphill (Sunset, S.C.), Henry Buser (Greenville, S.C.), Brian Smith (Pickens, S.C.), Corina Geiculescu (Easley, S.C.) and David Bowen (Taylors, S.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of producing a capacitor electrode includes forming an oxide layer on a foil. The method also includes heating the foil to a target temperature so as to induce defects in the oxide layer. The target temperature is about 450deg C. to 560deg C. and the duration of heating the f...