Flat picture-reproduction device

Details Flat picture-reproduction device Flat picture-reproduction device

H - Electricity

01

J

313/183

H01J 31/12 (2006.01) H01J 29/46 (2006.01)

Patent

CA 1316570

73019-4D ABSTRACT In a flat picture-reproducing device having a phosphor- coated faceplate (1) and a tray-shaped back case (2), a cathode formed by a periodic array of heating wires (7) is provided. This heating-wire array is followed by layers of focusing wires (8) and attracting wires (9) and by a perforated anode (5). A seg- mented counterelectrode (6) is located behind the heating wires (7) and has an array of closely spaced parallel electrode segments extending perpendicular to the length of the heating-wires.

616036

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