. Method and apparatus for differentially detecting beta-rays and gamma-rays included in radioactive rays and pakage comprising the apparatus

摘要

A sensor for discriminating and detecting beta rays and gamma rays contained in radiation includes: a substrate on which at least one OP-AMP is mounted; a first blocking layer and a second blocking layer blocking transmission of the beta rays; a first photodiode positioned between the first blocking layer and the second blocking layer and detecting the gamma rays; and a second photodiode positioned on the first blocking layer and configured to detect the beta-ray and the gamma-ray.