This book provides readers with a good overview of some of most recent advances in the field of CdTe and CdZnTe detector technology for medical imaging, industrial testing and security scanning, especially as it pertains to new applications. There will be a good mixture of general chapters in both technology and applications inthe X-ray testing. The book will have an in-depth review of the research topics from leading world specialists in the field. The conversion of the X-ray and gamma-ray signal into analogue/digital value will be covered in some chapters. Some would also provide a review of CMOS chips for CdTe and CdZnTe image sensors. This book serves as an excellent reference for people already working in the field as well as for people wishing to enter it.