A Cryostat for Liquid Nitrogen Cooling of Rocket-Borne Photomultiplier Tubes
The improved performance of certain electronic devices due to operation at low temperatures has been known for some time. One such device is the multiplier phototube. This tube is approximately 1 inch in diameter and 3 inches long—very similar in appearance to an ordinary radio tube.
KeywordsThermionic Emission Photomultiplier Tube Glass Wool Shear Block Multiplier Photo Tube
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