发明名称 |
Miniaturizable plasma source |
摘要 |
The invention relates to a plasma source with an oscillator having an active element and a resonator connected to the active element. The resonator has a hollow body, a gas inlet, a gas outlet arranged at a distal end of the hollow body about a longitudinal axis of the hollow body, and a coil arranged along the longitudinal axis of the hollow body, said coil having an effective length of one quarter of a wavelength at a resonant frequency of the resonator. A distal end of the coil is arranged relative to the gas outlet such that a plasma section can form between the distal end of the coil serving as a first plasma electrode and the gas outlet of the hollow body serving as a second plasma electrode. At a proximal end of the hollow body, the coil is lead out of the interior of the hollow body through an electrically contact-free feed-through, and a proximal end of the coil contacts the hollow body at its external side. At a first contact region located between the proximal end of the coil and the feed-through, the coil is coupled to a first gate of the active element, and at a second contact region located between the proximal end of the coil and the feed-through, the coil is coupled to a second gate of the active element. |
申请公布号 |
US8796934(B2) |
申请公布日期 |
2014.08.05 |
申请号 |
US201113575981 |
申请日期 |
2011.01.28 |
申请人 |
Forschungsverbund Berlin E.V. |
发明人 |
Kuehn Silvio;Gesche Roland;Porteanu Horia-Eugen |
分类号 |
H01J7/24 |
主分类号 |
H01J7/24 |
代理机构 |
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代理人 |
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主权项 |
1. A plasma source with an oscillator, said oscillator having an active element and a resonator connected to the active element, wherein the resonator has a hollow body, a gas inlet, a gas outlet arranged at a distal end of the hollow body about a longitudinal axis of the hollow body, and a coil arranged within the hollow body along the longitudinal axis of the hollow body, said coil having an effective length of one quarter of a wavelength at a resonant frequency of the resonator, wherein a distal end of the coil is arranged relative to the gas outlet such that a plasma section can form between the distal end of the coil serving as a first plasma electrode and the gas outlet of the hollow body serving as a second plasma electrode, characterized in that the coil is lead out of the interior of the hollow body at a proximal end of the hollow body through an electrically contact-free feed-through, and a proximal end of the coil contacts the hollow body at its external side, wherein, at a first contact region located between the proximal end of the coil and the feed-through, the coil is coupled to a first gate of the active element, and at a second contact region located between the proximal end of the coil and the feed-through, the coil is coupled to a second gate of the active element. |
地址 |
Berlin DE |