X-RAY SHIELD GRADING AND METHOD FOR FABRICATING THE SAME
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United States of America Patent
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Issued Date -
Jun 25, 2015
app pub date -
Dec 17, 2014
filing date -
Dec 20, 2013
priority date (Note) -
Abandoned
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Abstract
An X-ray shield grating includes a plurality of partial gratings being stacked on each other. In the X-ray shield grating, each of the plurality of partial gratings has a structure in which grating elements, in each of which an X-ray blocking portion and an X-ray transmitting portion are arrayed with a first period, are arrayed with a second period; the first period in each of the plurality of partial gratings is equal to one another; and the second period in each of the plurality of partial gratings is different from one another.
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