vacuum outgassing

I created a vacuum chamber consisting of two tufnol kite (bakelite) bulkheads either end of a glass cylinder. These tend to adsorb a lot of moisture and probably the other various solvents I cleaned the surfaces with. Inside this chamber is a piece of household aluminium foil over the exposed tufnol with smeared vacuum pump oil over the back of the foil. The video shows the chamber during the first pump-down, in the 500-100 micron range, and (what is presumably outgassing) is visualised. ...
Author: crossedfields; Tags: vacuum outgassing


















