Electric lamp and discharge devices – With temperature modifier – Having heat conducting path
Patent
1993-01-27
1995-03-21
O'Shea, Sandra L.
Electric lamp and discharge devices
With temperature modifier
Having heat conducting path
313 39, 313110, 313111, 313246, 313113, 313570, 313634, 313355, 313631, 313632, H01J 102
Patent
active
053999312
ABSTRACT:
An embodiment of the present invention is a short arc lamp comprising an alumina ceramic cylindrically shaped body with a concave opening at one end that is silvered to form a reflector, a cathode suspended within the concave opening in opposition to an anode that protrudes through a hole in the center of the concave opening from the opposite end of the body, a circular iron base that supports the anode at its center and attaches to the body with a metal ring that bridges a separation between the base and the body, and a copper heat transfer pad that is brazed to the inside of the metal ring and the body such that heat is efficiently transferred from the area of the concave reflector near the hole for the anode to a heat sink that attaches to the metal ring outside the lamp. A copper plug brazed as an integral part of the anode serves to distribute heat efficiently throughout the anode.
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patent: 4785216 (1988-11-01), Roberts et al.
Horri Ali
ILC Technology, Inc.
O'Shea Sandra L.
Schatzel Thomas E.
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