Biological and Medical Sensor Technologies

14 High-Resolution CdTe Detectors and Their Application to Gamma-Ray Imaging

Tadayuki Takahashi, Shin Watanabe, Shin-nosuke Ishikawa, Goro Sato, and Shin’ichiro Takeda

CONTENTS

14.1     Introduction

14.2     High-Resolution CdTe Detector

14.3     Polarization Phenomenon

14.4     CdTe Pixel Detector Module

14.5     Stacked CdTe Detector

14.6     CdTe Double-Sided Strip Detector

14.7     Semiconductor Compton Camera

14.8     Possible Applications to Medical Imaging

14.9     Conclusions

Acknowledgments

References

14.1 Introduction

Efforts have long been made to develop room temperature semiconductors with high atomic numbers and wide band gaps. These materials are useful not only in medical and industrial imaging systems, but also in detectors ...