応用物理
Online ISSN : 2188-2290
Print ISSN : 0369-8009
EPMA定電荷積分装置の改良
颯田 耕三
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ジャーナル フリー

1971 年 40 巻 2 号 p. 193-196

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There are two ways of quantitative analysis is EPMA to obtain an average counting rate; counting for a fixed time and counting pulses for a fixed charge.
The method of counting pulses for a fixed charge which is the more general one, is not suitable for quantitative measurements on specimens having a heterogeneous structure be-cause the specimen current varies in different regions of the structure.
This paper initially presents an adaptor con-verting the device for counting pulses for a fixed charge into that of counting for a fixed time, and then shows by some experiments that the adaptor is also useful for quantitative analysis in EPMA.

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