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Article Dans Une Revue The European Physical Journal D : Atomic, molecular, optical and plasma physics Année : 2010

Integrated micro-plasmas in silicon operating in helium

Résumé

Microplasma arrays operating in helium in a DC regime have been produced in silicon microreactors. Cathode boundary layer (CBL) type microdevices were elaborated using clean room facilities and semiconductor processing techniques. Ignition of the micro-discharge arrays having either 50 or 100 μm diameter cavities was studied. Two different structures (isotropically etched or anisotropically etched cavity) and various conditions (the two different voltage polarities, pressures etc.) were investigated. 100 microdischarges of 50 μm diameter could be ignited in parallel at 1000 torr. At high current, some parasitic and transient sparks appeared at the edge of the sample. When the polarization was reversed (cathode side corresponding the opened electrode), more current was needed to light all the microdischarges. A thermally affected zone around the hole on the anode side was obtained after operation.

Dates et versions

hal-00655009 , version 1 (24-12-2011)

Identifiants

Citer

Remi Dussart, Lawrence J. Overzet, Philippe Lefaucheux, Thierry Dufour, Mukesh Kulsreshath, et al.. Integrated micro-plasmas in silicon operating in helium. The European Physical Journal D : Atomic, molecular, optical and plasma physics, 2010, 60, pp.601. ⟨10.1140/epjd/e2010-00272-7⟩. ⟨hal-00655009⟩
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