Method of making a focusing color-selection structure for a CRT

Details Method of making a focusing color-selection structure for a CRT Method of making a focusing color-selection structure for a CRT

1980-12-18

1987-03-17

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

Electrode making

445 37, 430 5, 156644, H01J 900

Patent

active

046504354

ABSTRACT:
The novel method comprises (a) producing on one surface of a metal plate an array of substantially-parallel ridges, at least the tops of the ridges being electrically insulating, (b) producing an array of generally rectangular-shaped apertures through the plate in columns between the ridges and (c) producing electrically-conducting strips on the tops of the ridges.

REFERENCES:
patent: 4160311 (1979-07-01), Ronde et al.
patent: 4164059 (1979-08-01), Van Esdonk
patent: 4222159 (1980-09-01), Koorneef

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