H - Electricity – 01 – J
Patent
H - Electricity
01
J
313/69
H01J 40/00 (2006.01) H01J 31/50 (2006.01)
Patent
CA 1124311
PHN 8928 12.6.1978 ABSTRACT: In order to achieve a robust and safe construction, the tube wall of an image intensifier tube is provided with at least two comparatively heavy supporting rings. On one of these rings a cup-shaped or spherical, vacuum-tight sealing entrance window of X-ray transparent metal is secured. As a result of the use of an adapted electrode construction and a concave exit screen, the length of the tube is smaller than 1.5 times the effective diameter of the entrance screen. -10-
313782
Boers Martinus W. A.
Schrijvers Joost E.
N.v. Philips Gloeilampenfabrieken
Van Steinburg C.e.
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