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  • Zecotek Commercializing Photodetectors
Feb 2012
SINGAPORE, Feb. 15, 2012 — Zecotek Photonics Inc. has achieved commercial production status with its most advanced solid-state micropixel avalanche photodiode (MAPD) photodetectors, the MAPD-3N, it announced.

The MAPDs are manufactured under a contract with the Malaysian Institute of Microelectronic Systems and Omega Semiconductor Sdn Bhd (MIMOS), an applied research center. Fine-tuning of preproduction runs over the past six months has stabilized the manufacturing process, and the MAPD-3N is now ready to manufacture.

The proprietary MAPD-3N is a design upgrade of the previously announced MAPD, which offers significant performance advantages over photomultiplier tubes (PMTs). The solid-state MAPD photodetector features photon detection efficiency, energy and timing resolutions, and working gain in comparison to existing PMTs.

Photon detection efficiency and working gain have been improved by a factor of two, and dark count rates have been reduced by almost a factor of two. This makes the universal adoption of the technology a reality for PET medical scanners and gamma camera applications, particularly when the MAPD-3Ns are combined with Zecotek’s patented LFS scintillation materials.

Zecotek Photonics develops crystals, photodetectors, medical lasers, optical imaging and 3-D display technologies for commercial applications in the medical diagnostics and high-tech industry.

For more information, visit:  

gamma camera
A camera used in scintillation recording to make a visible record of the distribution and relative concentration of radioactive tracer elements in a sample that is undergoing scanning.
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