Method for measuring concentration
专利汇可以提供Method for measuring concentration专利检索，专利查询，专利分析的服务。并且PURPOSE: To measure the concentration of an infinitesimal component in a sample with high precision without concentrating the sample by using a scanning-type tunnel microscope or an interatomic force microscope.
CONSTITUTION: A substance (combining, adsorbing or sticking substance) catching a substance to be measured is made to exist beforehand on an observation surface of a scanning-type tunnel microscope(STM) or an interatomic force microscope(AFM), and then the substance to be measured is made to be caught by that substance. A difference in a pattern between output signals of the STM or the AFM before and after the substance to be measured is caught on a sample surface is discriminated, the number of the caught substances is measured and the concentration of the substance to be measured in the sample is calculated from the number. The concentration can be calculated also by measuring the ratio between a portion wherein the substance to be measured is caught and a portion wherein it is not caught.
COPYRIGHT: (C)1992,JPO&Japio，下面是Method for measuring concentration专利的具体信息内容。
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