Cold cathode and cold cathode discharge device

Details Cold cathode and cold cathode discharge device Cold cathode and cold cathode discharge device

2005-10-04

2005-10-04

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

Discharge devices having an electrode of particular material

C313S310000, C313S34600R, C313S632000, C313S491000

Reexamination Certificate

active

06952075

ABSTRACT:
A cold cathode discharge device with high efficiency of light emission and long life is prepared by a cold cathode having both high secondary electron emission and anti-spattering property.Using carbon system cold cathodes constituted of a mixed phase of diamond and graphite, a cold cathode discharge device with high efficiency of light emission and long life is realized. It is desirable that an element having a wavelength of light emission equal to or shorter than 200 nanometers should be mixed in the discharge gas.

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