Dielectric barrier discharge ionization detector

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10436751
APP PUB NO 20180067080A1
SERIAL NO

15698368

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Abstract

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A dielectric barrier discharge ionization detector Includes: a dielectric tube; a high-voltage electrode connected to an AC power source and circumferentially formed on the outer wall of the dielectric tube; upstream-side and downstream-side ground electrodes and circumferentially formed above and below the high-voltage electrode; a discharging section for generating electric discharge to create plasma, from a gas containing argon; and a charge-collecting section for ionizing sample-gas components by the plasma and detecting an ion current formed by the ionized components. The detector also satisfies one or both of the following conditions: the upstream-side ground electrode is longer than a creeping discharge initiation distance between a tube-line tip member at the upper end of the dielectric tube and the high-voltage electrode; or the downstream-side ground electrode is longer than a creeping discharge initiation distance between the high-voltage electrode and the charge-collecting section.

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Patent Owner(s)

  • SHIMADZU CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shinada, Kei Kyoto, JP 30 173

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