A demountable vacuum seal operating at low temperatures
โ Scribed by Ya.A. Bal'tsevich; V.A. Kukarin
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- English
- Weight
- 83 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0011-2275
No coin nor oath required. For personal study only.
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Guards ## Figure 1 Diagram of seal Two all-metal demountable cryogenic seals with an outside diameter of 36.6 ram, inside diameter of 27.2 mm and thickness of 0.51 mm were leak tested at room temperature (300 K), liquid nitrogen temperature (21 cycles at 77 K), liquid helium temperature (nine cyc
As a result the total equivalent noise resistance of the meter (including the noise in the radiofrequency amplifier) reduced to a temperature T = 4.2 ยฐ K, at the input to the transformer is ~20 fL This was checked with calibrated resistances of different magnitudes, connected to the transformer inpu