X-ray or gamma ray systems or devices – Specific application – Fluorescence
Patent
1986-11-10
1989-01-03
Church, Craig E.
X-ray or gamma ray systems or devices
Specific application
Fluorescence
378 45, 378 75, 378 85, 378 83, G01N 2320, G01N 2322
Patent
active
047962844
ABSTRACT:
A wavelength dispersive X-ray spectrometer is provided with a polycrystalline analyzer for analyzing characteristic spectra of a sample. The polycrystalline analyzer provides a multiple spectrum of characteristic lines which are separated by appropriate pulse height analysis. Each of these sets of characteristic lines of the elements of the sample are provided at different dispersion and wavelength ranges.
REFERENCES:
patent: 3424428 (1969-01-01), Canon
patent: 3806726 (1974-04-01), Ishijima
patent: 4472825 (1984-09-01), Jenkins
Jenkins, R., "Combination of the Energy Dispersion Spectrometer with the Powder Diffractometer," Norelco Reporter, vol. 20, No. 3, Dec. 1973, pp. 22-30.
Church Craig E.
Grigsby T. N.
Miller Paul R.
North American Philips Corporation
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