205024 ⎘
Details of cathode-ray tubes or of electron-beam tubes of the types covered by group; Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement; Electron guns Electron guns using electron multiplication
ELECTRON MULTIPLIERS
#2Field emission display device for uniform dispersion of electrons
#3Field emitters and devices
#4Display device
#5Electron amplification plate for field emission display device
#6Matrix display device
#7Vacuum display device with reduced ion damage
#8Transmitting type secondary electron surface and electron tube
#9Field emission display device