Patent ID: 8603402
Filing Date: 2013-12-10
Classification: H01J,H05H

Abstract:
1. A microwave-excited plasma device, comprising: a plasma reaction chamber; a metal sash assembled on the top of the plasma reaction chamber, wherein the metal sash comprises a plurality of microwave coupling window openings and a plurality of reaction gas tunnels drilled therein; a plurality of permanent magnets disposed on the metal sash respectively and generating an electron cyclotron resonance (ECR) plasma, wherein the metal sash further comprises a plurality of cooling pipe tunnels drilled underneath the permanent magnets correspondingly to cool down the permanent magnets; a plurality of panes paned in the microwave coupling window openings of the metal sash; a plurality of microwave transmitters disposed outside of the plasma reaction chamber; and a plurality of waveguides connected each of the microwave transmitters, wherein one of the microwave transmitters connected with one of the microwave coupling window through one of the waveguides in order to form a plasma excitation unit.