| 摘要 |
PROBLEM TO BE SOLVED: To form a thick-film selenium layer to be used as a sensitive layer for an X-ray detector in a short time. SOLUTION: In the X-ray detector in which the selenium layer 5 is formed as an X-ray sensitive layer on a substrate 3, the selenium layer 5 is formed by pressurizing a powder of a selenium simple substance or selenium alloy.
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