Dow704 diffusion pump oil (tetramethyl tetraphenyl trisiloxane) is used in large and medium diffusion pumps for a wide range of research and production applications, as the lower attainable pressure ...

The Agilent AX-65 Oil diffusion pump is the smallest diffusion pump available in the market and the only pump that is air-cooled. Its vertical finned boiler and high power provide stable pumping and ...

It seems like creating a vacuum should be a pretty easy job, but it turns out that sucking all the air out of something is harder than it seems. A cheap vacuum pump will get you part of the way there, ...

There are a number of pump designs made which can generate high or ultra-high vacuums. Each of these types operates using either the gas-transfer or gas-capture principle. A summary of all the types ...

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 ...