Cathode has incandescent emitter made from material, which emits electrons thermally, where emission layer is applied partially or completely on incandescent emitter
A cathode has an incandescent emitter (1), which is made from a material, which emits electrons thermally. An emission layer (3) having a thickness of 0.05-20mu m is applied partially or completely on the incandescent emitter, where the emission layer is made up of a material having a lower electron...
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Main Authors | , |
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Format | Patent |
Language | English German |
Published |
29.10.2009
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Subjects | |
Online Access | Get full text |
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