Discharge device with electrodes spaced by grains of...

Details Discharge device with electrodes spaced by grains of... Discharge device with electrodes spaced by grains of...

H - Electricity

01

J

313/35.13, 313/3

H01J 29/58 (2006.01) H01J 29/81 (2006.01) H01J 31/20 (2006.01)

Patent

CA 1071686

PHN 8272 ABSTRACT: In a colour television display tube of the post- deflection-focus type, the colour selection electrode com- prises a first and a second system of lens electrodes. The lens electrodes of the first system are kept at the defined distance from the lens electrodes of the second system by grains of an electrically insulating material present between the facing surfaces of the lens electrodes. The grains are sunk on two sides in layers of an adhesive material present on the facing surfaces of the lens electrodes, the sum of the thicknesses of the adhesive layers being smaller than the distance between the lens electrodes.

269512

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