High brightness Carbide Tungsten field emission cathode

説明

High brightness and stable cathode has been required for SEM use. We have been studied about Tungsten Carbide (WC) field emission cathode to achieve low-cost and easy to use, high brightness cathode. Tungsten carbide layer is formed on W-FE tip by heating in Ethylene(C 2 H 4 ) gas. This WC field emission cathode indicated low work function.

収録刊行物

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