1) Gas technology 2) Vacuum pump
Found on
https://www.crosswordclues.com/clue/cryopump
A cryopump or a `cryogenic pump` is a vacuum pump that traps gases and vapours by condensing them on a cold surface. They are only effective on some gases, depending on the freezing and boiling points of the gas relative to the cryopump`s temperature. They are sometimes used to block particular contaminants, for example in front of a diffusion ......
Found on
http://en.wikipedia.org/wiki/Cryopump
(from the article `vacuum technology`) This type of pump utilizes extremely low temperatures to condense gases and thus remove them from the system. Pumping speeds of millions of cu ft per ...
Found on
http://www.britannica.com/eb/a-z/c/164
No exact match found.
