NASA NTRS · 19780000422
Vacuum leadthrough for hydrogen maser
Abstract
Nonmagnetic leadthroughs are used in hydrogen maser for electrical interconnection into vacuum chamber. Seal uses uranium glass to form vacuum seal to tungsten rod. Epoxy resin seals glass-coated rod to aluminum body. Connector was subjected to temperature cycling between minus 65 degrees to 150 C, six to seven times over a sixteen hour period.
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Norris, D. A.. 1979-01-01. Vacuum leadthrough for hydrogen maser. https://ntrs.nasa.gov/citations/19780000422
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