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Infrared Sensor

* Compared with the five senses of human, the role of “ eye ” in the five senses in infrareds sensor. Material called ferroelectrics absorb thermal energy which changes spontaneous polarization generation a surface electrical charge. The charge is proportional to polarization change. This phenomenon is called the pyroelectric effect. A pyrosensor using fine ceramic materials can detect even the slightest infrared energy charge, such as that from a human body. Infrared sensor is being used world wide for many applications.