Recent content by chucrut

  1. chucrut

    Undergrad Electron Gun Design - Can Positive Voltage Work?

    Hello, I have a question about electron guns. I have read a lot, and all designs use high NEGATIVE voltage (-1000v for example). Is possible to use high POSITIVE voltage like this drawing?. Or do you think it will not work this way? Considering that all the chamber walls are at ground voltage...