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REAGENT FOR MEASURING METALS IN WAFER CLEANING SOLUTION AND APPARATUS AND METHOD FOR MONITORING METAL CONTAMINANTS IN WAFER CLEAING SOLUTION
REAGENT FOR MEASURING METALS IN WAFER CLEANING SOLUTION AND APPARATUS AND METHOD FOR MONITORING METAL CONTAMINANTS IN WAFER CLEAING SOLUTION
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机译:晶片清洗液中金属的测定试剂及晶片清洗液中金属污染物的监测装置和方法
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摘要
Monitoring metal contamination of a rinsing solution may include providing a sample of the rinsing solution, and mixing the sample of the rinsing solution with a monitoring reagent to provide a monitoring mixture. A property of the monitoring mixture that is dependent on a concentration of a metal in the rinsing solution may then be measured. More particularly, the property of the monitoring mixture may be an absorbency of the monitoring mixture with respect to electromagnetic radiation transmitted through the monitoring mixture. Related systems and reagents are also discussed.
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