Thermally stable electron gun arrangement with electrically non-

Details Thermally stable electron gun arrangement with electrically non- Thermally stable electron gun arrangement with electrically non-

1995-03-02

1997-05-13

Horabik, Michael

Electric lamp and discharge devices

Cathode ray tube

Ray generating or control

313257, 313270, H01J 2946

Patent

active

056295820

ABSTRACT:
An electron gun arrangement includes an electron gun having a longitudinal axis and including first and second electrodes longitudinally spaced apart for generating an electron beam in a longitudinal direction. A first support member supports the first electrode and includes a first slot arrangement presenting a first pair of surfaces longitudinally spaced apart. A second support member is longitudinally spaced apart from the first support member for supporting the second electrode and includes a second slot arrangement presenting a second pair of surfaces longitudinally spaced apart. The surface of the first pair of surfaces that is closer to the second support member constitutes a first clamping surface and the surface of the second pair of surfaces that is closer to the first support member constitutes a second clamping surface. Each of a plurality of spacer members made of electrically non-conductive material includes a first portion disposed in the first slot arrangement and abutting the first clamping surface and a second portion disposed in the second slot arrangement and abutting the second clamping surface for maintaining a distance in the longitudinal direction between the first and second clamping surfaces substantially constant and allowing movement between the respective support members in a direction transverse to the longitudinal axis due to differential thermal expansion.

REFERENCES:
patent: 3963955 (1976-06-01), Miram et al.
patent: 3983446 (1976-09-01), Miram et al.
patent: 4156160 (1979-05-01), Jackson
patent: 4387320 (1983-06-01), Hoet
patent: 4748369 (1988-05-01), Phillips et al.
patent: 5534747 (1996-07-01), Carruthers

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