US Patent Issued to SHIMADZU on Nov. 3 for "Mass spectrometer and method for establishing vacuum system thereof" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,785,056, issued on Nov. 3, was assigned to SHIMADZU Corp. (Kyoto, Japan).

"Mass spectrometer and method for establishing vacuum system thereof" was invented by Yiming Lin (Shanghai) and Saifei Chen (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a mass spectrometer and a method for establishing a vacuum system thereof, the mass spectrometer having a hermetical chamber in communication with an external environment only through a vacuum interface, the chamber comprising a first chamber and a second chamber, the second chamber having an adsorption pump disposed therein, the first chamber being in communication with th...