【电学】阴极射线管带快门操作

hot-cathode X-ray tube

cathode-ray readout screen

lens, magnetic with permanent magnets, cathode ray tube

discharge tube, gas-filled with solid cathode

glow cathode (thermionic cathode)

gas-fille d discharge tube with gaseous cathode

cathode tube

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