Glow discharge lamp with getter material on anode

Details Glow discharge lamp with getter material on anode Glow discharge lamp with getter material on anode

1990-01-08

1991-05-21

O'Shea, Sandra L.

Electric lamp and discharge devices

With getter

Electrode includes getter, supports getter, or is connected...

313549, 313619, H01J 1724

Patent

active

050178318

ABSTRACT:
A glow discharge lamp that includes a light transmitting envelope containing a noble gas fill material and a pair of electrodes disposed in the envelope. Lead-in wires couple to the electrodes and extend to and are hermetically sealed in the envelope. The electrodes include an anode electrode and a cathode electrode. A getter material is disposed on the anode electrode. The getter material is maintained at an elevated temperature by virtue of a continuous lamp discharge to thus maintain chemical pumping in the envelope for the absorption of residual envelope gases.

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