Fe-Cr-Ni alloy electron gun electroded and Fe-Cr-Ni alloy...
Field emission cathode supporting structure
Field harmonic enhancer in a deflection yoke
Focus electrode structure of an electron gun for a color picture
Focusing electrode assembly for a color cathode ray tube electro
Focusing electrode in electron gun for color cathode ray tube
Focusing electrode in electron gun for color cathode ray tube
Focusing electrode structure
Focusing electrode structure for a color cathode ray tube
Focusing electrodes of an electron gun for use in a color televi
Focusing means for cathode ray tubes
Focusing means in a unitized bi-potential CRT electron gun assem