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2024
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P/S
|
Cathode materials and components being scientific apparatus and instruments, namely, grid cap ass... |
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|
Invention
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Monolithic heater for thermionic electron cathode. A monolithic graphite heater for heating a the... |
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2022
|
P/S
|
Cathode materials and components, namely, grid cap assemblies, grid cap and anode assemblies, ele... |
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2016
|
Invention
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Thermionic-enhanced field emission electron source composed of transition metal carbide material ... |
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|
Invention
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Electron emitter source. An electron emitter that consists of: a low work function material inclu... |
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Invention
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Thermal-field type electron source composed of transition metal carbide material. An electron sou... |
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2013
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Invention
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Method of producing rapid heating of a cathode installed in a thermionic emission assembly. A the... |
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Invention
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Thermal-field type electron source composed of transition metal carbide material with artificial ... |
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2011
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Invention
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Pre-aligned thermionic emission assembly. A thermionic emission assembly includes a Wehnelt cap t... |
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2007
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P/S
|
Cathodes and electron sources, namely, thermionic and [field emission] cathodes for use in micros... |
