Apertured metal plate mask for colour selection in colour...

Details Apertured metal plate mask for colour selection in colour... Apertured metal plate mask for colour selection in colour...

H - Electricity

01

J

313/35.16

H01J 29/07 (2006.01) H01J 29/81 (2006.01)

Patent

CA 1161093

PHN. 9484/ 14 ABSTRACT: A colour display tube comprises, in an evacuated envelope, means for generating a number of electron beams, a display screen comprising a large number of regions luminescing in different colours when struck by the beams, and colour selection means for associating each electron beam with luminescent regions of one colour. The colour selection means includes a plurality of conductive strips and a metal plate having a plurality of parallel apertured rows. The plate, between the apertured rows, and the strips, in the sides facing the plate, have grooves extending in the longi- tudinal direction of the strips. The strips are accurately positioned between the rows by insulating carriers secured in respective grooves by adhesive materials. Each carrier engages its respective grooves in only two locations per groove. The adhesive material, at least in the grooves of the strips, is an electrically conductive adhesive.

353458

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