Dielectric barrier discharge ionization detector

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10436750
APP PUB NO 20180067079A1
SERIAL NO

15698312

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Abstract

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The dielectric barrier discharge ionization detector includes: a dielectric tube through which a plasma generation gas is passed; a high-voltage electrode formed on the outer wall of the dielectric tube; two ground electrodes and formed on the outer wall of the dielectric tube, with the high-voltage electrode in between; a voltage supplier for applying AC voltage between the high-voltage electrode and each ground electrode to generate electric discharge within the dielectric tube and thereby generate plasma from the plasma generation gas; and a charge-collecting section for detecting an ion current formed by ionized sample-component gas produced by the plasma. The distance between one ground electrode and the high-voltage electrode is longer than a discharge initiation distance between these two electrodes, while the distance between the other ground electrode and the high-voltage electrode is shorter than the discharge initiation distance between these two electrodes.

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Patent Owner(s)

Patent OwnerAddress
SHIMADZU CORPORATIONKYOTO-FU 604-8511
OSAKA UNIVERSITY1-1 YAMADAOKA SUITA-SHI OSAKA 5650871 ?5650871

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kitano, Katsuhisa Osaka, JP 36 307
Shinada, Kei Kyoto, JP 26 119

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