粉末法による誘電率, 誘電体損の測定および合成雲母に対する応用

概要

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The conventional method of measuring dielectric constant can not be applied to powder such as synthetic mica which is difficult to obtain a large specimen, or it leads to a result with large error. The authors have deviced a powder method, which measures the dielectric constant of the specimen obtained by mixing a known amount of paraffin, and from which the value of IOO% sample is worked out using a formula. For such purpose the logarithmic formula of Lichtnecker gave the best results also for the powders of natural mica and glass. The formula accords approximately with one de-rived from the model which assumes the particles are coming together at the center. The dielectric loss of composite body is represented by an equation of first degree. Which, however, has a trend of giving some what higher value.
社団法人日本セラミックス協会の論文
1962-02-01