Low-pressure mercury discharge lamp comprising an outer bulb

Details Low-pressure mercury discharge lamp comprising an outer bulb Low-pressure mercury discharge lamp comprising an outer bulb

2005-05-03

2005-05-03

Patel, Ashok (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

C313S573000, C313S025000, C313S635000, C313S485000

Reexamination Certificate

active

06888302

ABSTRACT:
A low-pressure mercury discharge lamp comprising an inner bulb, which forms a gas discharge vessel and the wall of which is made of a material which is transparent to electromagnetic radiation and is coated with a phosphor, and comprising an outer bulb surrounding the inner bulb, the wall of which contains an UV-A phosphor, and comprising means for generating and maintaining a low-pressure mercury gas discharge.

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patent: 19737920 (1999-03-01), None

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