Abstract
A new millimeter-scale penning ion generator (PIG) ion source has been developed for miniature mass spectrometers. The cathode is a 40 mm diameter × 2 mm long stainless steel cylinder with a hole of 4 mm, the anode with a hole of 12.6 mm and a length of 6.4 mm is made in stainless steel, and the ion emission hole size on the anticathode is 5 mm. Several microamperes of H+ ions can be extracted with less than 10 W discharge power consumption. The PIG ion source is shown to have advantages of long lifetime under high-pressure operation and low power consumption. The ion source is being designed and investigated for use in miniature mass spectrometer; however this ion source is thoroughly described so that it can be easily implemented by other researchers for other applications.
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Babapour Ghadikolaee, M.R. Millimeter-Scale PIG Source for Miniature Mass Spectrometers. J Fusion Energ 31, 566–568 (2012). https://doi.org/10.1007/s10894-012-9508-6
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DOI: https://doi.org/10.1007/s10894-012-9508-6