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PHOTORESIST STRIPPING SOLUTION, STRIPPING SOLUTION RECYCLING SYSTEM AND OPERATING METHOD, AND METHOD FOR RECYCLING STRIPPING SOLUTION
PHOTORESIST STRIPPING SOLUTION, STRIPPING SOLUTION RECYCLING SYSTEM AND OPERATING METHOD, AND METHOD FOR RECYCLING STRIPPING SOLUTION
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机译:光阻剥离溶液,剥离溶液回收系统和操作方法,以及再循环剥离溶液的方法
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摘要
Provided is a stripping solution recycling system using a photoresist stripping solution that strips a photoresist without damaging a Cu film or reducing the adhesiveness to a layer deposited on the Cu film, when a Cu film or Cu alloy film on a large-area substrate is wet-etched to make wiring or the like. The stripping solution recycling system has a resist stripping device for repeatedly using a stripping solution; a distillation and regeneration device for distilling the stripping solution in the waste tank; a component analyzer for investigating the composition ratio of the main agent and the polar solvent in the separated liquid; a preparation device for preparing the mixed solution; and a supply tank for storing the mixed solution.
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