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US 6,617,771 B2Granted
Electron ionization ion source
OwnerAviv Amiravinventor
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Abstract
The invention provides an ion source, including an inlet port for introduction of a sample into the ion source; an outlet port through which an ion beam exits; an ionizer for ionizing the sample; an ion formation chamber confined by an ion cage, and at least one electrical shield for shielding the ion chamber from the penetration of electrical fields affecting the ions inside the chamber.
Claims11
An ion source, comprising:
- an inlet port for introduction of a sample into the ion source;
- an outlet port through which an ion beam exits;
- means for ionizing said sample;
- an ion formation chamber confined by an ion cage, and
- at least one electrical shield for shielding said ion chamber from the penetration of electrical fields affecting the ions inside said chamber.
2 more elements
Dependencies are inferred from the claim text.