Kirk Wallace wrote: > I'm playing with the thought of putting a vacuum deposition system > together to coat telescope mirrors with aluminum. It looks like I could > get everything I need from eBay at relatively low cost. Of course, > elements of LinuxCNC could be used to monitor and control the system. > Does anyone have any links to a system I could study or copy, or any > other information? One issue is what I need for a pressure gauge, a > Pirani and or ionization gauge? > A Pirani gauge doesn't go low enough, it measures the thermal conductivity of the vacuum. A really fancy one will go down to 10 ^ -5 Torr. Ion gauges of several types do go low enough (10 ^ -6 Torr), which is what you need for vacuum coating.
Jon ------------------------------------------------------------------------------ Got visibility? Most devs has no idea what their production app looks like. Find out how fast your code is with AppDynamics Lite. http://ad.doubleclick.net/clk;262219671;13503038;y? http://info.appdynamics.com/FreeJavaPerformanceDownload.html _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
