HYBRID IMPEDANCE MATCHING FOR INDUCTIVELY COUPLED PLASMA SYSTEM

HYBRID IMPEDANCE MATCHING FOR INDUCTIVELY COUPLED PLASMA SYSTEM

In one aspect, a system includes a generator configured to generate and tune a frequency of a supply signal. The system includes an auto-matching network configured to receive the supply signal and to generate an impedance-matched signal for use in powering a plasma system. In some implementations,...

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Hauptverfasser: THOMAS GEORGE, JUAREZ FRANCISCO J, WONGSENAKHUM PANYA
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
PLASMA TECHNIQUE
PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS
PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS
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creator THOMAS GEORGE
JUAREZ FRANCISCO J
WONGSENAKHUM PANYA
description In one aspect, a system includes a generator configured to generate and tune a frequency of a supply signal. The system includes an auto-matching network configured to receive the supply signal and to generate an impedance-matched signal for use in powering a plasma system. In some implementations, during a first stage of an impedance matching operation, the generator is configured to tune the frequency of the supply signal until the generator identifies a frequency for which the reactance of the generator and the reactance of the load are best matched. In some implementations, during a second stage of the impedance matching operation, the auto-matching network is configured to tune a tuning element within the auto-matching network until the auto-matching network identifies a tuning of the tuning element for which the resistance of the generator and the resistance of the load are best matched.
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subjects ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
PLASMA TECHNIQUE
PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS
PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS
title HYBRID IMPEDANCE MATCHING FOR INDUCTIVELY COUPLED PLASMA SYSTEM
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