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US 11,189,453 B2Granted
Electron source and electron gun
Assignee38th Research Institute, China Electronics Technology Group Corporation
InventorsHuarong Liu, Junting Wang, Xuehui Wang, Yuxuan Qi, Xianbin Hu, Xueming Jin, Zhao Huang, Dizhi Chen, Yijing Li, Youyin Deng
Life of this patent
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Abstract
The present disclosure provides an electron source, including one or more tips, wherein at least one of the tips comprises one or more fixed emission sites, wherein at least one of the tips includes one or more fixed emission sites, wherein the emission sites includes a reaction product of metal atoms on a surface of the tip with gas molecules.
Claims17
An electron source, comprising:
- one or more tips,
- wherein at least one of the tips comprises one or more fixed emission sites, and
- wherein the one or more fixed emission sites comprise a reaction product of metal atoms with gas molecules on a surface of a tip of the one or more tips under an electric field, the emission sites are rooted in the surface of the tip of the one or more tips, wherein the reaction is carried out without an ion bombardment.
Dependencies are inferred from the claim text.