Plasma ignition and cooling apparatus and methods for plasma systems are described. An apparatus can include a vessel and at least one ignition electrode adjacent to the vessel. A total length of a dimension of the at least one ignition electrode is greater than 10% of a length of the vessel's channel....http://www.google.es/patents/US6872909?utm_source=gb-gplus-sharePatente US6872909 - Toroidal low-field reactive gas and plasma source having a dielectric vacuum vessel
Toroidal low-field reactive gas and plasma source having a dielectric vacuum ...
