We continue to challenge the innovation of the radiation applications.
We fabricate CdTe semiconductor detector for measuring radiation such as X-ray and γ-ray and have our own production line from raw material purification, single crystal growth, wafer processing, electrode forming, to assembly of X-ray imager module. We have been providing various products forms as our customer needs. Acrorad Corporation is a member of Siemens Healthineers, a global healthcare company that delivers products and services ranging from diagnostic imaging equipment to in vitro diagnostics and equipment business, genetic testing, and therapeutic systems to enable healthcare professionals to efficiently provide high-quality patient care.
Products & Technologies
TECHNOLOGY – CdTe X-ray detector
CdTe (Cadmium Telluride) is compound semiconductor formed from Cadmium and Tellurium. Bias voltage is applied to the electrodes which are formed on the both end of high resistive CdTe wafer. Electrical current scarcely flows when radiation is not irradiated due to the high electric resistivity; however, when radiation such as X-ray and γ- ray are exposed to CdTe detector, they are absorbed in CdTe and electron-hole pairs are generated in CdTe. These electrons and holes are drifted to anode and cathode electrode, respectively, by the internal electric field.
As mentioned above, radiation is absorbed in CdTe single crystal and obtained as electrical signals; this is the operation principle of CdTe radiation detector.