X-ray or gamma ray systems or devices – Specific application – Fluorescence
Patent
1982-01-27
1984-07-17
Smith, Alfred E.
X-ray or gamma ray systems or devices
Specific application
Fluorescence
378206, G01N 23223, H05G 102
Patent
active
044610173
ABSTRACT:
A flourescent x-ray device for irradiating x-rays to a sample so that flourescent x-rays emitted from the sample can be detected is described. A stationary fixed collecting plate is used instead of the movable reflecting plate employed in the prior art. The reflecting plate possesses the characteristics of being transmissive to x-rays and being reflective to visible light so that an image of the sample can be viewed by an observer and the sample can be irradiated with x-rays passing through the plate. The invention permits a remarkable decrease in manufacturing cost. Moreover, the device can be operated in a stable condition with high accuracy for a long time.
REFERENCES:
patent: 1976179 (1934-10-01), Mannl
patent: 2474421 (1949-06-01), Hollstein
patent: 4178513 (1979-12-01), Dubois et al.
Ishijima Hiroshi
Koga Toshiyuki
Adams Bruce L.
Burns Robert E.
Grigsby T. N.
Lobato Emmanuel J.
Seiko Instruments & Electronics Ltd.
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