Importance

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Abstract

A processing system for processing a substrate with a plasma comprises a processing chamber defining a processing space for containing a substrate to be processed with a plasma formed within the chamber. A dielectric window interfaces with the processing chamber proximate the processing space. A core element formed of a material having a high magnetic permeability is positioned outside of the chamber proximate the dielectric window, and an electrically conductive element surrounds a portion of the core element of high magnetic permeability. The conductive element, when electrical current is conducted thereby, is operable for coupling a magnetic flux into the chamber through the dielectric window for affecting a plasma in the processing space. The core element is configured for directing a portion of the magnetic flux in a direction toward the dielectric window to efficiently couple the channeled flux into the processing chamber through the dielectric window.

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First Claim