Electronic element

Details Electronic element Electronic element

2005-03-01

2005-03-01

Patel, Ashok (Department: 2879)

Electric lamp and discharge devices

Electrode and shield structures

Cathodes containing and/or coated with electron emissive...

C313S310000, C313S311000, C428S408000, C428S702000

Reexamination Certificate

active

06861790

ABSTRACT:
An electric element is formed of a deposited film containing cesium (Cs) and has a plurality of conical projections on its surface. The projections are formed of cesium oxide and have an average height h in a range of 10 nm≦h≦500 nm. The electronic element is used as a cold cathode element, and has a high practicality, and for example, emits electrons sufficiently even with a low voltage applied thereto.

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