Quadrupole mass spectrometers

Details Quadrupole mass spectrometers Quadrupole mass spectrometers

H - Electricity

01

J

H01J 49/42 (2006.01) H01J 9/00 (2006.01)

Patent

CA 2217255

A quadrupole mass spectrometer comprises an ion source (20), a mass filter (22) and an ion collector (24). The ion source comprises an array (30) of quantum wires. The mass filter comprises four glass fibres (32) coated with nickel and the ion collector is an a electrode connected to an integrated complementary metal oxide semiconductor temperature compensated integrated amplifier.

La présente invention décrit un spectromètre de masse quadripolaire comportant une source ionique (20), un filtre de masse (22) et un collecteur d'ions (24). La source ionique comporte un arrangement (30) de fils quantiques. La filtre de masse comporte quatre fibres de verre (32) enduites de nickel et le collecteur d'ions est une électrode connectée à un amplificateur intégré stabilisé en température avec un semi-conducteur d'oxyde de métal complémentaire intégré.

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