Abstract
High vacuum is required for many industrial processes which might be accomplished on the moon, such as electronic component and solar cell manufacturing or a large particle accelerator. Ambient pressure on the moon is in the range of 10 −12 torr (night) to 10 −10 torr (day). The effects of a 20 person base and a 250 person industrial facility on this vacuum are discussed. Exhaust from the transport spacecraft and leakage from the habitat will be roughly comparable to the daytime gas pressure for the 20 person base, and will degrade the vacuum to the range of 2 × 10 −9 torr for the 250 person facility. This is higher than the desired pressures for some semiconductor manufacture processes or for a lunar-based particle accelerator.
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