!%Zecotek Photonics Inc.%! has been granted Patent No. 7,956,331 B2 by the US Patent and Trademark Office for a depth of interaction technology that was developed to provide improvements in the precision and performance of PET scanning and other medical detection systems. Zecotek and the University of Washington developed the technology under a joint PET-MRI development alliance. For the new scanners, the partnership used Zecotek’s patented scintillation crystals and solid-state multipixel avalanche photodiode photodetector, with the university’s data acquisition methodologies and image reconstruction algorithms. The project is managed by Zecotek Imaging Systems (Singapore) Pte Ltd., a wholly owned subsidiary of Zecotek.