Selective irradiation of small target area in X-ray...

Details Selective irradiation of small target area in X-ray... Selective irradiation of small target area in X-ray...

2006-10-10

2008-10-28

Kiknadze, Irakli (Department: 2882)

X-ray or gamma ray systems or devices

Beam control

Collimator

C378S044000

Reexamination Certificate

active

07443959

ABSTRACT:
An X-ray fluorescence analyzer device comprises an X-ray source and a sample window. Between the X-ray source and the sample window there are a collimator plate with a plurality of microscopic pores and an annular plate comprising material essentially opaque to X-rays. The annular plate defines an area transparent to X-rays. The pores in said collimator plate let through collimated X-rays radiated by said X-ray source towards said sample window. The area transparent to X-rays in said annular plate spatially limits in a transverse direction a beam of X-rays radiated by said X-ray source towards said sample window.

REFERENCES:
patent: 6389108 (2002-05-01), Ein-Gal
patent: 6477226 (2002-11-01), Lehmann et al.
patent: 7035372 (2006-04-01), Chen
patent: 2004/0066902 (2004-04-01), Fraser et al.

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