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    • 4. 发明专利
    • Water quality evaluation method of sample water
    • JP4693268B2
    • 2011-06-01
    • JP2001103584
    • 2001-04-02
    • オルガノ株式会社
    • 和彦 川田由紀子 鳥山
    • G01N1/10G01N33/18H01L21/304
    • PROBLEM TO BE SOLVED: To accurately measure a concentration of an impurity contained in sample water, and to correctly evaluate an influence onto a substrate, by sampling the impurity contained in the sample water of high purity such as ultrapure water on the substrate using a special container. SOLUTION: A container 4 having a substrate fixing part 12 is used to fix a substrate 10. A substrate take in/out ports, a sample water inlet 20 and a sample water outlet are provided in the container. The container is movable in a sealed condition. The sample water is introduced from the sample water inlet into the container, the sample water is discharged from the sample water outlet to an outside of the container, and the sample water is thereby brought into contact with the substrate fixed to the substrate fixing part. The substrate after the contact with the sample water is dried under a condition fixed to the fixing part. An operation for putting the substrate from the substrate take in/out ports into the container to be fixed to the substrate fixing part, and an operation for taking out the substrate from the substrate take in/out ports to the outside of the container are carried out under a highly clean atmosphere.