Cold cathodes

Introduced: September 1968

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 > Cold cathodes

Classification Context

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

4 direct subcodes

Child Classifications

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H01J 1/304 Field-emissive cathodes
H01J 1/308 Semiconductor cathodes, e.g. cathodes with PN junction layers
H01J 1/312 having an electric field perpendicular to the surface, e.g. tunnel-effect cathodes of metal-insulator-metal [MIM] type
H01J 1/316 having an electric field parallel to the surface, e.g. thin film cathodes