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PCE
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IPC Subgroup
H01J 1/144

with other metal oxides as an emissive material

Introduced: January 1995

Last revised: January 2006

Full Title

Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps > Main electrodes > Solid thermionic cathodes > characterised by the material > with other metal oxides as an emissive material

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC ELEMENTS
Subclass:
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS