A high-power, high-frequency discharge apparatus is disclosed. An electrical wave is guided toward the discharge region by a hollow waveguide that is coupled to a discharge electrode via a waveguide transition element. The waveguide transition element can be formed of various shapes. Obstacles placed...http://www.google.es/patents/US4990829?utm_source=gb-gplus-sharePatente US4990829 - High frequency discharge apparatus with hollow waveguide input section
High frequency discharge apparatus with hollow waveguide input section
