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    Production of X-rays in X-ray Emission Spectrography

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    The X-ray emission spectrograph and the X-ray emission electron microprobe are two instruments that derive analytical results by interpretation of the characteristic X-ray spectra emitted from specimens examined by them. Various applications of each of these instruments and differences between them, derived chiefly from the different methods of exciting the characteristic X-ray spectra, are described. The phenomena involved in producing the continuous and characteristic spectra by electron bombardment and the characteristic and scattered X-rays emitted from a specimen when irradiated by an X-ray beam are described, as well as the characteristics of these primary and secondary X-rays. Some details of the requirements and ratings of electron guns for the microprobe and X-ray tubes for the spectrograph are mentioned.

    Author Information:

    Zemany, P. D.
    General Electric Co., Schenectady, N. Y.

    Committee/Subcommittee: E13.03

    DOI: 10.1520/STP45943S