Methods and apparatus for processing a substrate

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United States of America Patent

PATENT NO 11749505
APP PUB NO 20220270857A1
SERIAL NO

17183042

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Abstract

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Methods and apparatus for processing a substrate are provided herein. For example, a matching network configured for use with a plasma processing chamber comprises an input configured to receive one or more radio frequency (RF) signals, an output configured to deliver the one or more RF signals to a processing chamber, a first variable capacitor disposed between the input and the output, a second variable capacitor disposed in parallel to the first variable capacitor, a MEMS array comprising a plurality of variable capacitors connected in series with the first variable capacitor, and a controller configured to tune the matching network between a first frequency for high-power operation and a second frequency for low-power operation.

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Patent Owner(s)

Patent OwnerAddress
APPLIED MATERIALS INC3050 BOWERS AVENUE SANTA CLARA CA 95054

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Poulose, John San Jose, US 8 4
Ramaswamy, Kartik San Jose, US 371 20119

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