If you need to create a high vacuum, there are basically two options: turbomolecular pumps and diffusion pumps. Turbomolecular pumps require rotors spinning at many thousands of rotations per minute ...

If this isn't your first time around the block building a vintage street machine or muscle car, you know at some point you'll get to the fork in the road where you either make a concession in the ...

The three-stage scroll vacuum pump from Air Squared Inc., Broomfield, Colo. (www.airsquared.com), can produce vacuums up to 5 mTorr (6.5 × 10-6 atm) without a turbopump. That’s about 10 times the ...