Frans Michel Penning
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| Frans Michel Penning | |
| Born | 12 September, 1894 Gorinchem, Netherlands |
|---|---|
| Died | 6 December, 1953 Utrecht, Netherlands |
| Fields | Physics, gas phase ion chemistry |
| Known for | Penning ionization, Penning trap |
Frans Michel Penning (12 September 1894, Gorinchem – 6 December 1953, Utrecht) was a Dutch physicist. The Penning trap, used for storing charged particles, as well as the Penning mixture and Penning effect of gas discharge tubes are named after him. He also invented a type of cold cathode vacuum gauge known as Penning gauge.
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