X-ray or gamma ray systems or devices – Specific application – Fluorescence
Patent
1993-04-07
1994-03-29
Porta, David P.
X-ray or gamma ray systems or devices
Specific application
Fluorescence
378205, 378 44, 378151, G21K 102
Patent
active
052992527
ABSTRACT:
A fluorescent X-ray thin film measuring apparatus having a collimator with an aperture which forms a primary X-ray beam to have a long and narrow cross-sectional shape and which can be rotated about the axis of the X-ray beam, and a display device for observing a sample surface by superposing a pattern on the sample surface, the pattern showing the angular position of the collimator aperture which defines the angular position of the long and narrow cross-sectional shape of the primary X-ray beam.
REFERENCES:
patent: 5237599 (1993-08-01), Gunji et al.
Porta David P.
Seiko Instruments Inc.
Wong Don
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