Leybold has expanded its range of oil diffusion pumps to include the Diffvac DP and Diffvac OB series for applications ...

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.

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 ...