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Scanning plasma reactor

Image Number 5 for United States Patent #7270724.

A scanning plasma reactor for exciting reactant gases at a substrate surface including a beam forming module, a gas injection module, a reaction chamber with a window and a vacuum chuck, a gas exhaust module. Radiation from the beam forming module and the reactant gas create an excited plasma zone. The excited plasma zone is translated across the substrate like a windshield wiper blade, or the substrate is conveyed under a fixed gas reaction zone.

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