Patent ID: 6855906
Filing Date: 2005-02-15
Classification: H05B,H05H

Abstract:
1. A plasma chemical reactor apparatus for inductively generating a plasma from process gasses comprising: a. a chamber adapted for receiving said process gasses and for containing said plasma, b. a chamber wall having an inner surface defining said chamber, the shape of said inner surface of said chamber wall having a generally toroidal topology, said toroidal topology defining a torus with a hole, a cyclic toroidal direction encircling said hole, and a cyclic poloidal direction generally orthogonal to said toroidal direction, c. an applied AC electrical current flowing in a substantially poloidal direction around said plasma, d. a plasma excitation means comprising an electrically conductive material carrying said applied AC electrical current, e. an AC power source operatively coupled to said plasma excitation means, whereby said AC power source urges said applied AC electrical current to flow through said plasma excitation means, said applied AC electrical current, flowing generally parallel to said poloidal direction, generates an AC magnetic flux directed generally parallel to said toroidal direction within said plasma, said AC magnetic flux further induces AC electrical current to flow through said plasma in a generally poloidal direction, thereby ionizing said process gasses and inductively heating and maintaining said plasma, without having any portion of said plasma surrounded by a magnetic core.