Method for providing an electrically conductive bridge in cathod

Details Method for providing an electrically conductive bridge in cathod Method for providing an electrically conductive bridge in cathod

1980-07-18

1981-09-15

Kendall, Ralph S.

Coating processes

Electrical product produced

Fluorescent or phosphorescent base coating

427 64, 427122, 313402, H01J 2906

Patent

active

042898005

ABSTRACT:
A method is disclosed for providing an electrically conductive bridge between the high-voltage charged shadow mask of a color picture tube and the aluminum film deposited on the faceplate to ensure that the aluminum film is charged with the same high voltage present on the shadow mask. A paintable solution is provided which essentially comprises a mixture of substantially equal parts of glass frit particles and graphite particles in the micron-sized range. The particles are in solution in an evaporable solvent including a thickening agent in an amount sufficient to provide a paintable viscosity.

REFERENCES:
patent: 2886476 (1959-05-01), Dumesnil et al.
patent: 3358170 (1967-12-01), Fiore

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