Structure for and method of aligning beam-defining apertures by

Structure of electron gun for cathode ray tube

Structure of electron gun for color cathode ray tube

Television picture tubes having an electron gun with aperture el

Temperature compensated electron gun system

Thermionic cathode and heater structure on ceramic base plate

Three gun color CRT which has three grids with the holes in the

Unitized electron gun having electrodes with internal beam-shiel

Unitized in-line electron gun having improved support structure

Unitized in-line electron gun having stress-absorbing electrode

Vacuum tube comprising a ceramic element and a method of interco

Wide-angle deflection color cathode ray tube with a reduced...

Wide-angle deflection color cathode ray tube with a reduced...