US Patent Issued to Thermo Fisher Scientific (Ecublens), FEI on May 5 for "Plasma control for spark optical emission spectroscopy" (American, Swiss Inventors)

ALEXANDRIA, Va., May 5 -- United States Patent no. 12,621,920, issued on May 5, was assigned to Thermo Fisher Scientific (Ecublens) SARL (Ecublens, Switzerland) and FEI Co. (Hillsboro, Ore.).

"Plasma control for spark optical emission spectroscopy" was invented by Patrick Lancuba (Ecublens, Switzerland) and Sean Kellogg (Hillsboro, Ore.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for plasma control is disclosed. The apparatus comprises: a plasma generator comprising two electrodes, an anode and a cathode, configured to produce a plasma between the two electrodes; a solenoid coil disposed to surround the plasma and configured to produce a magnetic field parallel to a longitudinal axis between ...