Patent ID: 11972928
Assignee: COMET TECHNOLOGIES USA, INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method for arc suppression in a plasma generation system comprising a radio frequency generator supplying power to a plasma chamber coupled to an impedance matching network reacting to impedance changes to match an impedance of the plasma chamber with an impedance of the radio frequency generator controlling reflection of the power by the plasma chamber, further comprising an arc suppression device coupled to the radio frequency generator and the plasma chamber performing a method comprising:
detecting plasma arcing causing a sharp impedance change increasing the reflection of the power by the plasma chamber;
switching a power dissipator reducing the power delivered to the plasma chamber extinguishing or mitigating the plasma arcing;
wherein the arc suppression device switches the power dissipator more quickly than the impedance matching network reacts to the sharp impedance change.