205032 ⎘
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 Arrangements for controlling convergence of a plurality of beams by means of electric field only
Wireless communication apparatus and method for generating midamble and controlling transmission power
#2Cathode mechanism of electron gun, electron gun, and electron beam writing apparatus
#3Apparatus of plural charged-particle beams
#4Low-blur electrostatic transfer lens for multi-beam electron gun
#5Apparatus of plural charged-particle beams
#6Wireless communication apparatus and method for generating midamble and controlling transmission power
#7Field emission X-ray tube and method of focusing electron beam using the same
#8Segmented Electron Gun, Beam and Collector System and Method for Electron Cooling of Particle Beams
#9Display device having an electron gun with pre-focusing lens portion
#10Cathode-ray tube having an electron gun with an improved main focus lens