What actually occurs during a humidity test? Inside or outside the tube?
I would think any humidity would be detramental to the photocathode and the tube would be a very poor performer if it didnt just die within hours. Im assuming these tubes are baked under vacuum to outgas the contaminates, but like I said Im still learning. Any info is appreciated.
REPLIED: February 07 21:40:02, 2010 ( 00: AM PST )
A number of tests that ITT and L-3 EOS do are not available to the public; therefore I refer to them as obscure. When I was learning how to tear down, prepare, and build up MX-9916/UVs at the U.S.M.C. E-O Depot, it was not a test that was done there, probably because the Modules had been initially tested by their manufacturers. You are correct in stating that humidity would be detrimental to the photocathode, therefore the test would not have subjected internal Module components to any form of humidity. Only a deep space vacuum exists in a Module, which means that only a small number of air molecules are inside of the Module. I hope this helps, Ed
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