The Focus Fusion Society › Forums › Lawrenceville Plasma Physics Experiment (LPPX) › vacuum advice needed › Reply To: minimal size device for focus fusion to work?
Here is a good reference: http://www.vacuumlab.com/Articles/Gas Loads and O-Rings.pdf
Also get a good book on vacuum technology: http://www.amazon.com/Users-Guide-Vacuum-Technology/dp/0471270520 and this is a must have: http://www.amazon.com/Building-Scientific-Apparatus-John-Moore/dp/0521878586/ref=pd_sim_b_1
Still happy to provide guidance. 🙂