Front-illuminated versus back-illuminated photon-counting CCD-based gamma camera: important consequences for spatial resolution and energy resolution.Jan W. T. Heemskerk, Albert H Westra, Peter M Linotte, Kees M. Ligtvoet, Wojciech Zbijewski, Freek J. BeekmanPhysics in medicine and biology2007Charge-coupled devices (CCDs) coupled to scintillation crystals can be used for high-resolution imaging with x-rays and gamma rays. When the CCD images can be read out fast enough, the energy and… (More)