Process for applying phosphor to the aperture mask of a cathode

Details Process for applying phosphor to the aperture mask of a cathode Process for applying phosphor to the aperture mask of a cathode

1983-05-20

1984-05-29

Hoffman, James R.

Coating processes

Electrical product produced

Fluorescent or phosphorescent base coating

427 68, B05D 302, B05D 132, B05D 102

Patent

active

044515049

ABSTRACT:
Fine particle size phosphors are adhered to the back of the aperture mask of a cathode ray tube by spraying a dispersion of such particles in a coating vehicle containing a temporary binder, and baking to remove the binder. The adhered phosphor is useful in providing information about the location of the scanning electron beams during tube operation.

REFERENCES:
patent: 4117177 (1978-09-01), Schlafer

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