Method of making a curved electrode plate

Details Method of making a curved electrode plate Method of making a curved electrode plate

1978-07-28

1980-06-03

McQuade, John

Metal working

Barrier layer or semiconductor device making

Barrier layer device making

29874, H01J 153, H01J 900

Patent

active

042054184

ABSTRACT:
The disclosure is of a cathode ray tube having a face plate for displaying information and carrying an electrode assembly which is curved to couple intimately to the face plate. The electrode assembly includes a shield against radio frequency interference and an insulating support sheet having an inner surface and an outer surface, on each of which an array of rows and columns of conductive areas is formed. On the inner surface, the rows of conductive areas are electrically connected together to output contact pads at a side edge of the sheet, and, on the outer surface, the columns of conductive areas are electrically connected together to output contact pads along the lower edge of the sheet. Each outer conductive area overlies and is capacitively coupled to an inner conductive area. A column conductor which extends from a contact pad at an edge of the outer surface of the sheet is capacitively coupled to each column of outer conductive areas. The method of the invention comprises forming the desired conductive areas of indium-tin-oxide on a flat glass sheet and then sagging the glass sheet to the desired curvature.

REFERENCES:
patent: 3017687 (1962-01-01), Day
patent: 3152384 (1964-10-01), Toohig et al.
patent: 3482241 (1969-12-01), Johnson
patent: 3696409 (1972-10-01), Braaten
patent: 3757322 (1973-09-01), Barkan et al.
patent: 3864797 (1975-02-01), Banks
patent: 3983613 (1976-10-01), Palac et al.

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