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Re; diffusion pumps
>Are ther any affordable vacuum pumps on the market that will actually pull a
>vacuum of 1 millitorr or less with out the use of a diffussion pump?
Yes, until you hook them up to a manifold and count three minutes. That's
where the descrepancy between sales literature and real life comes in.
>Anybody know where to buy a diffusion pump with heater and stand for less
>than $600.00?
Depends on what configuration you want...used metal ones come in the
$200-$300 range; check the ftp archives for more on this.
-Ted Pirsig