ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,268, issued on April 14, was assigned to SHIMADZU Corp. (Kyoto, Japan).
"Time-of-flight mass spectrometer and tuning method for the same" was invented by Kosuke Uchiyama (Kyoto, Japan) and Tomoyuki Oshiro (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a TOFMS measurement unit, an ion acceleration section accelerates ions to send them into a flight space, within which a flight-field creation section creates, an electric field for causing ions to fly. A controller unit operates the measurement unit so as to repeat a measurement for a predetermined sample while varying a voltage applied to an electrode in the measurement unit, and cal...