Discharge lamp which has a fill of at least one of deuterium, hy

Details Discharge lamp which has a fill of at least one of deuterium, hy Discharge lamp which has a fill of at least one of deuterium, hy

1997-07-16

1999-03-23

Patel, Nimeshkumar D.

Electric lamp and discharge devices

With gas or vapor

With particular gas or vapor

313609, 313610, 313638, H01J 6110

Patent

active

058864709

ABSTRACT:
To increase the radiation output from a discharge lamp having a diaphragm arrangement located between an anode (3) and a heatable cathode (4), the diaphragm arrangement constricts the radiation discharge path along an axis (5, 105) extending through the diaphragm opening and towards the anode (3, 103), and has a dimension along the length of said axis of at least 0.3 mm. The diaphragm arrangement can be formed by a plurality, preferably about 3 diaphragm elements (6, 7, 8), each having diaphragm openings of from between 0.1 to 2 mm, made of sheet metal of a thickness of at least 0.03 mm, and preferably of between 0.1 to 1 mm, and in which the spacing of the diaphragm openings (10, 11, 12) with respect to each other is in the range of about 0.1 to 5 mm, preferably about 0.3 mm; alternatively, the diaphragm arrangement may include one massive diaphragm having an axial thickness of between 1 and 50 mm, preferably between about 1 and 5 mm, and spaced from the anode by between about 0.5 and 2 mm, with a diaphragm diameter (113) between about 0.1 and 2 mm.

REFERENCES:
patent: 3501665 (1970-03-01), Rotger et al.
patent: 3508106 (1970-04-01), Vecsernyes
patent: 3848150 (1974-11-01), Taxil et al.
patent: 4816719 (1989-03-01), Maya et al.
patent: 4884007 (1989-11-01), Lagushenko et al.
patent: 5327049 (1994-07-01), Smolka et al.

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