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Posted in Science, Tool Hacks Tagged fusor, oil diffusion, pump, vacuum pump, WD-40 ← Digital Rain Animation Crammed Into Pi Pico Regenerative Medicine: The Promise Of Undoing The Ravages Of ...

A cheap vacuum pump will get you part of the way there, but to really pull a hard vacuum, you need an oil diffusion pump that costs multiple tens of thousands of dollars.

Contacts VPEI Ben Irani, 916-925-6100 [email protected] Sacramento, CA or AVS Inc. Mark Sowerbutts, 978-772-0710 [email protected] Ayer, MA ...

THERE has long been a need for a diffusion pump oil which, while hot, would withstand atmospheric pressure without bad effects. G. P. Brown (Rev, Sci. Inst., 16, 316 ; Nov. 1945) has found that ...

IN our previous communication1 it was noted that the vapour pressure of the pump fluid affects the total vacuum only by a minor fraction, and the pump continues to exhaust air from the chamber to ...