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Dielectric barrier plasma generator and plasma discharge starting method for dielectric barrier plasma generator

專利號(hào)
US12219688B2
公開日期
2025-02-04
申請(qǐng)人
Ushio Denki Kabushiki Kaisha(JP Tokyo)
發(fā)明人
Takahiro Hiraoka; Kensuke Nakamura; Takanori Samejima
IPC分類
H05H1/00; H05H1/24
技術(shù)領(lǐng)域
blowout,plasma,dielectric,electrode,voltage,outlet,gas,generator,substrate,in
地域: Tokyo

摘要

A dielectric barrier plasma generator includes: a dielectric substrate, a high-voltage electrode provided on a first surface of the dielectric substrate, a low-voltage electrode provided to face a second surface of the dielectric substrate, a power introduction section provided at a first end of the high-voltage electrode, a gas channel formed from a first end to a second end thereof between the dielectric substrate and the low-voltage electrode to allow gas to flow from the first end of the gas channel to the second end thereof, and a blowout outlet formed at the second end of the gas channel to blow out the gas that has flown through the gas channel and plasma that has been generated in the gas channel. The dielectric substrate includes a portion having a thickness being thinner when being closer to the blowout outlet.

說明書

The high-voltage electrode 54 has approximately the same width as the width of the dielectric substrate 52, and is provided on the inclined portion 52b of the dielectric substrate 52. In the second embodiment, the high-voltage electrode 54 is not provided on the flat portion 52a. The second end of the high-voltage electrode 54 (the right end in FIG. 12) does not reach the surface on which the blowout outlet 30 is formed, which is similar to the first embodiment. In other words, a predetermined clearance 55 is provided between the second end of the high-voltage electrode 54 and the surface on which the blowout outlet 30 is formed.

權(quán)利要求

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