Fluorescent lamp

Electric lamp and discharge devices – With gas or vapor – With particular gas or vapor

Reexamination Certificate

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Details

C313S486000, C313S639000, C313S565000, C313S485000, C313S487000, C313S489000

Reexamination Certificate

active

06841939

ABSTRACT:
A mercury vapor discharge fluorescent lamp is provided that has a mercury barrier. The mercury barrier is effective to inhibit mercury atoms from absorbing into the glass envelope and amalgamating with sodium atoms in the envelope. The mercury barrier is substantially non-mercury absorptive, both when the lamp is on and when it is off.

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