Double crystal X-ray spectrometer

Details Double crystal X-ray spectrometer Double crystal X-ray spectrometer

1986-11-17

1988-06-21

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Fluorescence

378 84, 378 85, G01N 23223, G21K 106

Patent

active

047529458

ABSTRACT:
A Dual Channel Spectrometer system is provided for measurement of X-ray spectra in which at least two pairs of crystals are arranged in a crystal changer so that different pairs of such crystals can be selected in the X-ray spectrometer. This selection is achieved by rotating a drum on which pairs of crystals are mounted about an axis to bring one pair of crystals into alignment with a collimated X-ray beam. This enables the selection of the wavelength range used in the spectrometer to be made without deactivating the spectrometer or without loosing the vacuum in the spectrometer.

REFERENCES:
patent: H313 (1987-07-01), Standenmann et al.
patent: 3160747 (1964-12-01), De Vries
patent: 3439163 (1969-04-01), De Jongh
patent: 4236072 (1980-11-01), Schinkel et al.
patent: 4472825 (1984-09-01), Jenkins

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