| 简介 |
Systems for the recovery of rare gas from a mixed gas stream are described. In particular, systems for the recovery of helium from cluster tools used in semiconductor fabrication are described. In one embodiment, these systems allow for the recovery of rare gas, such as helium, from the waste gas from a processing chamber, or a cluster tool, when a predetermined amount of rare gas is known to be present in the waste gas. In a further embodiment, analyzing means are used to determine the amount of rare gas, such as helium, present in the waste gas and when that amount warrants, the rare gas is recovered from the waste gas using a dedicated rare gas recovery process. |
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