Means for periodic desorption of a cryopump

Means for periodic desorption of a cryopump

Metal sponge for cryosorption pumping applications

Method and apparatus for checking the operation of a refrigerato

Method and apparatus for cooling a vacuum device

Method and apparatus for cryogenically cooling a deposition cham

Method and apparatus for cryopump regeneration using turbomolecu

Method and apparatus for detecting and measuring state of...

Method and apparatus for detecting and measuring state of...

Method and apparatus for extending the duration of operation of

Method and apparatus for filling cryogenic liquid cylinders

Method and apparatus for improving the sensitivity of a leak det

Method and apparatus for rapidly regenerating a self-contained c

Method and apparatus for recovering multicomponent vapor mixture

Method and apparatus for recovering natural gas in a mine

Method and apparatus for regeneration water

Method and apparatus for replenishing the helium bath in the rot

Method and apparatus for throttling gas flow to a cryopump

Method and apparatus for transfer of liquefied gas

Method and apparatus for transporting coal as a coal/liquid carb