Electron source manufacturing method
Disclosed is an electron source manufacturing method. The method comprises: forming one or more fixed emission points on at least one needle tip, wherein the emission point comprises a reaction product formed by metal atoms on a surface of the needle tip and gas molecules.
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | Disclosed is an electron source manufacturing method. The method comprises: forming one or more fixed emission points on at least one needle tip, wherein the emission point comprises a reaction product formed by metal atoms on a surface of the needle tip and gas molecules. |
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