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US08192555B2 Non-chemical, non-optical edge bead removal process 失效
非化学,非光学边缘珠粒去除工艺

Non-chemical, non-optical edge bead removal process
Abstract:
A method for removing the edge bead from a substrate by applying an impinging stream of a medium that is not a solvent for the material to be removed. The medium is applied to the periphery of the substrate with sufficient force to remove the material. Also an apparatus to perform the inventive method.
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