Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
August 10, 2010
Patent Application Number
11709303
Date Filed
February 21, 2007
Patent Primary Examiner
Patent abstract
The invention relates to an electron impact gas ion with high brightness and low energy spread. This high brightness is achieved by injecting electrons in a small ionization volume (from less than 1 μm to several tens of micrometers in size) from one side and extracting ions from the other. The electrons injected are produced by a high brightness electron source, such as a field emitter or a Schottky emitter.
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