NASA NTRS · 19660000082
Rod and dish cathode improves penning-type vacuum gage
Abstract
Improved penning-type ionization gage provides range and sensitivity required to measure gas pressure below .01 torr under high vacuum conditions. The gage uses a highly conductive cathode composed of two disks of high magnetic permeability separated by a rod of low magnetic permeability.
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Peppin, G. B.. 1966-03-01. Rod and dish cathode improves penning-type vacuum gage. https://ntrs.nasa.gov/citations/19660000082
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