Multiple crystal holder assembly for wavelength dispersive X-ray

Details Multiple crystal holder assembly for wavelength dispersive X-ray Multiple crystal holder assembly for wavelength dispersive X-ray

1977-08-17

1979-04-24

Church, Craig E.

Radiant energy

Inspection of solids or liquids by charged particles

Analyte supports

250277CH, 250310, H01J 3720

Patent

active

041514181

ABSTRACT:
A novel crystal holder for the wavelength dispersive spectrometers of electron microprobes arranges four crystals as a cylinder segment which may be moved to a position in which it partially encompasses the viewing optics assembly so that low Bragg angle settings may be obtained without mechanical interference, while at the same time the interchanging of crystals by oscillation of the cylinder segment on its axis is possible at any position of the crystal holder.

REFERENCES:
patent: 3391276 (1968-07-01), Delarue
patent: 3536912 (1970-10-01), Speck
patent: 3654460 (1972-04-01), Payton

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