Fluorescent lamp and amalgam assembly therefor

Details Fluorescent lamp and amalgam assembly therefor Fluorescent lamp and amalgam assembly therefor

H - Electricity

01

J

H01J 61/24 (2006.01) H01J 61/12 (2006.01) H01J 61/28 (2006.01) H01J 65/00 (2006.01) H01J 65/04 (2006.01)

Patent

CA 2428573

An amalgam assembly for a fluorescent lamp includes a glass exhaust tabulation extending toward a base portion of the lamp, the tabulation being closed at an end adjacent the lamp base portion, and a metal cup disposed in the tubulation and retained by a pinched portion of the tabulation. The cup defines an annular outer wall having a free edge extending toward the tabulation closed end, a tubular central core portion extending toward the tabulation closed end, and an annular trough formed by the core portion and the outer wall. A mercury amalgam ball is disposed between the metal cup and the tabulation closed end, a diameter of the ball exceeding an inner diameter of the core portion, and a coating of a metal wetting agent is disposed on interior surfaces of the trough.

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