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APPARATUS FOR CONCENTRATING SLURRY EFFLUENT, APPARATUS FOR REGULATING QUALITY OF SLURRY EFFLUENT INCLUDING ABRASIVE GRAINS, AND APPARATUS FOR CLEANSING CONCENTRATING MEMBRANE
APPARATUS FOR CONCENTRATING SLURRY EFFLUENT, APPARATUS FOR REGULATING QUALITY OF SLURRY EFFLUENT INCLUDING ABRASIVE GRAINS, AND APPARATUS FOR CLEANSING CONCENTRATING MEMBRANE
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机译:用于浓缩浆液的设备,用于调节浆液质量(包括磨粒)的设备以及用于清洁浓缩膜的设备
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摘要
An apparatus and method recycles the abrasive fluid or slurry effluent used in the polishing step in the manufacture of semiconductors. Agglomerations of abrasive grains built up in the slurry effluent are crushed using a mill, ultrasonic oscillation, or pressurized circulation. The slurry effluent is then regenerated and reused.
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