US Patent Issued to Thermo Fisher Scientific (Bremen) on Oct. 14 for "Method and apparatus for operating a vacuum interface of a mass spectrometer" (German Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,611, issued on Oct. 14, was assigned to Thermo Fisher Scientific (Bremen) GmbH (Bremen, Germany).

"Method and apparatus for operating a vacuum interface of a mass spectrometer" was invented by Christoph Wehe (Bremen, Germany), Marcus Manecki (Bremen, Germany), Georgina Thyssen (Bremen, Germany), Sven Wohlgethan (Bremen, Germany) and Daniel Precht (Bremen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method is disclosed for operating a mass spectrometer vacuum interface, the vacuum interface comprising an evacuated expansion chamber downstream of a plasma ion source wherein the expansion chamber is pumped by an interface vacuum pump to pr...