X-ray or gamma ray systems or devices – Specific application – Fluorescence
Patent
1998-04-08
2000-09-05
Porta, David P.
X-ray or gamma ray systems or devices
Specific application
Fluorescence
378 44, G01N 23223
Patent
active
061154504
ABSTRACT:
An x-ray fluorescence analyzer which accomplishes determination of the center of a circular sample in an xy-plance, in which the sample is placed, by performing a first step of determining a provisional center, a second step of carrying out measurements by scanning in the x-axis direction, a third step of calculating the center of the sample in the x-axis direction, a fourth step of carrying out measurements by scanning in the y-axis direction, a fifth step of calculating the center of the sample in the y-axis direction, and a sixth step of determining coordinates of the center of the sample.
REFERENCES:
patent: 5425066 (1995-06-01), Takahashi et al.
Dunn Drew A.
Porta David P.
Seiko Instruments Inc.
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