Infrared arrays found their way into widespread applications in various industries. Unlike other array technologies, thermopile arrays allow to build true shutterless radiometric IR cameras. Thermopile arrays with pixel numbers from 8x8, 16x16, 32x32 up to 80x64 were introduced to mass production.
In this paper, Heimann Sensor introduces first thermopile arrays with 45 and 60 µm pixel sizes allowing to extend the application range into thermal imaging and surveillance. All necessary signal conditioning and readout electronics including SPI interface are monolithically integrated on the sensor chip.
All thermopile arrays and array modules are equipped with an infrared optical lens ranging from 9-12 deg FOV for far distances up to 120x90 deg FOV for ultra-wide field of view; e.g. for screening of hot spots and fire risk.
The new higher resolution arrays with 45 or 60 µm pixel size open the door to array formats up to 160x120 pixel in the same TO-8 housing.
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