Method and apparatus for detecting positively charged and...

Details Method and apparatus for detecting positively charged and... Method and apparatus for detecting positively charged and...

G - Physics

01

T

G01T 1/28 (2006.01) H01J 49/02 (2006.01) H01J 49/26 (2006.01)

Patent

CA 2661703

An ion detector includes collision surfaces for converting both positively and negatively charged ions into emitted secondary electrons. Secondary electrons may be detected using an electron detector, than may, for example include an electron multiplier. Conveniently, secondary electrons (or electrons emitted by the multiplier) may be detected using an electron pulse counter.

Un détecteur d'ions comprend des surfaces de collision pour convertir les ions chargés négativement et les ions chargés positivement en des électrons secondaires émis. Les électrons secondaires peuvent être détectés au moyen d'un détecteur d'électrons qui peut, par exemple, comprendre un multiplicateur d'électrons. De façon commode, les électrons secondaires (ou les électrons émis par le multiplicateur) peuvent être détectés au moyen d'un compteur d'impulsions d'électrons.

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