X-ray or gamma ray systems or devices – Specific application – Fluorescence
Patent
1982-05-26
1984-09-18
Church, Craig E.
X-ray or gamma ray systems or devices
Specific application
Fluorescence
378 83, 378 85, G01N 2322
Patent
active
044728255
ABSTRACT:
A two crystal detection system is provided for the measurement of X-ray spectra in which two half crystals are arranged at a fixed angular difference and each crystal is read out by a separate gas detector. In such a structure, both short "d" and long "d" spacings may be simultaneously measured. This construction of the present invention yields two integrated scanning channels in which both wavelength spectra can simultaneously be achieved.
REFERENCES:
patent: 3060314 (1962-10-01), Wytzes
patent: 3397312 (1968-08-01), Okano
patent: 3980568 (1976-09-01), Pitchford
Church Craig E.
Miller Paul R.
U.S. Philips Corporation
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