Electron gun and method of manufacturing an electron gun, and di

Details Electron gun and method of manufacturing an electron gun, and di Electron gun and method of manufacturing an electron gun, and di

1989-09-18

1991-02-05

Wieder, Kenneth

Electric lamp and discharge devices

Cathode ray tube

Ray generating or control

313451, 313456, 445 29, 445 36, 445 51, H01J 918, H01J 2946

Patent

active

049908235

ABSTRACT:
The invention relates to an electron gun comprising a cathode-unit composed of a cathode shaft (53) which is surrounded by a heat reflection screen (56). A connection piece (55) is secured to the head end of the cathode shaft (53). A holder (59) containing electron-emitting material (60) is located on the connection piece (55). The cathode shaft (53) is suspended in the heat reflection screen (56) by means of suspension wires (57), each wire being secured to the heat reflection screen with one end which is at least close to the head end of the heat reflection screen (56), and the other end (58) being located between the connection piece (55) and the holder (59).

REFERENCES:
patent: 2732512 (1956-01-01), Briggs, Jr.
patent: 4403169 (1983-09-01), Blanken

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