Scattering and absorbed correction of low energy X-ray in magnetic tape and magnetosphere

Meifen Huang

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Scattering and absorbed correction of low energy X-ray in magnetic tape and magnetosphere

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- Scattering and absorbed correction of low energy X-ray in magnetic tape and magnetosphere
- Nuclear Techniques Vol. 06, Issue 6, (1983)
- 作者机构：
  
  一机部上海材料研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：25 March 1982，
  
  Published：1983-12
- 稿件说明：
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Meifen Huang. Scattering and absorbed correction of low energy X-ray in magnetic tape and magnetosphere[J]. Nuclear techniques, 1983, 06(6): 35-38,16,73.
DOI：

Meifen Huang. Scattering and absorbed correction of low energy X-ray in magnetic tape and magnetosphere[J]. Nuclear techniques, 1983, 06(6): 35-38,16,73. DOI：

摘要

本文介绍同位素源X射线荧光在磁带磁层厚度测定中，散射和吸收校正的两种方法——双道计数法和斜率校正法。双道计数法采用双道脉冲幅度分析器，可将基体影响控制在±1%左右。斜率校正法已在磁带磁层在线测厚仪中使用，对录音磁带在线测定的准确度为±5%（置信度95%）。

Abstract

This paper describes two methods for the scattering and absorbed correction in a radioisotope source excited X-ray fluorescence analysis technique

that is two channel counting method and slope correction method. In the two channel counting method

the matrix effect can be controlled to about ±1% by using a two channel pulse height analyzer. The slope correction method has been applied to the thickness gauge for on line measurement of the thickness of a magnetic layer deposited on the tape. The accuracy of the measurement of the thickness is about ±5% (95% confidence level) .

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references

张家骅等，放射性同位素X射线荧光分析，原子能出版社， 1981 年，第 132 页。

黄梅芬等，核技术， 3 ， 19 （ 1981 ）。

Bradner D. Wheeler and Nancy Jacobus , Adv. X-ray Anal ., 22 , 395 （ 1979 ）.

A. Charles Ed , Applications of low energy X and gamma rays , Ziegler , 1971 , p. 91 .

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