Mass spectrometer for feeding a jump in voltage to an electron multiplier tube includes an ion source in a vacuum chamber to ionize test molecules through electron bombardment and ion lenses to form a convergent beam.

摘要

An ion source (2) in a vacuum chamber (1) ionizes test molecules through electron bombardment. Ion lenses (3) form a convergent beam from the ions generated. A mass separator (4) separates these ions corresponding to their mass number. An ion detector (5) detects the separated ions. An electron multiplier tube is used as the ion detector.