Electric lamp and discharge devices – Cathode ray tube – Beam deflecting means
Patent
1985-07-22
1987-06-09
DeMeo, Palmer C.
Electric lamp and discharge devices
Cathode ray tube
Beam deflecting means
315366, H01J 2972
Patent
active
046722629
ABSTRACT:
An electron injection structure for the beam guide meshes of a flat panel display has apertures with different dimensions to optimize beam focusing for different purposes. The first period of apertures has strong focusing normal to the plan of the guide meshes. A plurality of periods have strong focusing in a direction parallel to the lateral dimension of the guide meshes. Another plurality of apertures matches the beams to the propagation section of the beam guide.
REFERENCES:
patent: 4069439 (1978-01-01), Anderson
patent: 4128784 (1978-12-01), Anderson
patent: 4263529 (1981-04-01), Siekanowicz
patent: 4359671 (1982-11-01), Gange
Stewart Wilber C.
Vieland Leon J.
DeMeo Palmer C.
Hallacher L. L.
Irlbeck D. H.
O'Shea Sandra L.
RCA Corporation
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