ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,417,905, issued on Sept. 16, was assigned to SHIMADZU Corp. (Kyoto, Japan).
"Cycloidal mass spectrometer and method for adjusting resolution thereof" was invented by Xiaoqiang Zhang (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides a cycloidal mass spectrometer and a method for adjusting resolution thereof. The spectrometer comprises a set of magnets, providing a magnetic field; two sets of electrode arrays, opposing to each other parallelly, each set of the electrode array including a plurality of strip electrodes arranged parallelly; at least one DC power supply, providing DC voltages to each set of the electrode array t...