阴极射线发光

hot-cathode X-ray tube

lens, magnetic with permanent magnets, cathode ray tube

glow cathode (thermionic cathode)

cathode tube

gas-fille d discharge tube with gaseous cathode

positioning the cathode spot on the liquid-pool cathode of a discharge tube

microchannel plate cathode-ray tube\nMCPCRT\n电子

cathode follower type difference amplifier