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Determination of uranium and thorium and measurement of alpha-particles in lsi materials

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Abstract

Uranium and thorium in LSI materials were determined by INAA and α-particles in these materials were also measured. The contents of uranium and thorium and the α-activity in ceramics and zirconia samples were very high. Calculation of α-flux from uranium and thorium contents and analysis of α-spectra were carried out for the ceramics and zirconia samples. The calculated values of α-flux in these samples agreed with the α-flux measured.

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References

  1. T. C. MAY, M. H. WOODS, 16th Annual Proceedings, Reliability Physics 1978, p. 33.

  2. H. YONEZAWA, T. SHIGEMATSU, K. KUDO, Presented at the 24th Symposium on Radiochemistry in Japan, Oct. 1980.

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Authors and Affiliations

  1. Ibaraki Electrical Communication Laboratory, Nippon Telegraph and Telephone Public Corporation, Tokai, Ibaraki, (Japan)

    K. Kudo, T. Shigematsu, H. Yonezawa & K. Kobayashi

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  1. K. Kudo
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  2. T. Shigematsu
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  3. H. Yonezawa
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  4. K. Kobayashi
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Kudo, K., Shigematsu, T., Yonezawa, H. et al. Determination of uranium and thorium and measurement of alpha-particles in lsi materials. J. Radioanal. Chem. 63, 345–351 (1981). https://doi.org/10.1007/BF02522220

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  • DOI: https://doi.org/10.1007/BF02522220

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