A large-scale getter pumping experiment using vapor deposited titanium films
U.S. Atomic Energy Commission, 1961 - Science - 31 pages
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approx argon base pressure carbon dioxide carbon monoxide Commission Continuous Evaporation COPPER LINER crystal structure curve deposited at liquid described deuterium diffusion pump system equals the number equipment Evaporation of Titanium experimental films deposited Films Formed films produced flux of particles Formed by Titanium Formed During Continuous GAS LEAK RATE gas source Gases onto Films Getter Pump Test GETTER PUMPING EXPERIMENT Hg Pressure high sorption rates high vacuum deposit inert gas large-scale getter pumping LEAK RATE MOLES/HR liquid nitrogen temperature low pressures measured Methane MOLES OF GAS MOLES Tl/HR number of molecules operated ORNL-Lr-Dwg oxygen Pressure of Helium Q MOLES shown in Fig Sorption of Gases sorption of hydrogen Sorption onto Films speeds for hydrogen sticking factor Sticking fractions sticking probabilities strike the wall Substrates at Liquid Surface at 10°C techniques titanium deposition TITANIUM EVAPORATION RATE Unclassified unit area vacuum lock velvety black appearance water-cooled X-ray diffraction