Electron-gun system

Details Electron-gun system Electron-gun system

H - Electricity

01

J

313/35.14, 313/3

H01J 29/50 (2006.01) H01J 29/48 (2006.01)

Patent

CA 1296048

Abstract In a cathode-ray tube with a thick grid No. 2 in the electron-gun system, current transfer into grid No. 2 may result in a lack of picture sharpness. To avoid this error, the aperture in grid No. 2 has a widening of conical shape or stepped diameter.

568201

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