ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,770,852, issued on Oct. 20, was assigned to Thermo Fisher Scientific (Bremen) GmbH (Bremen, Germany).
"Ion guide" was invented by Hamish Stewart (Bremen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ion guide is provided for a spectrometer. The ion guide comprises a first electrode assembly, comprising a plurality of guide electrodes aligned along a central axis. Each guide electrode comprises an aperture. The apertures define an ion channel from a first end of the first electrode assembly to a second end of the first electrode assembly. The ion channel is configured to receive an ion beam at the first end. The guide electrodes are configur...