IR FPA sensors
Three main products are offered for manufacturers and users of IR FPA sensors:
FT is a turnkey system that generates IR radiation of precisely controlled spatial and temporal distribution to the input plane of IR FPA, controls the tested IR FPA; and finally carries out semi-automatic analysis of the output signal necessary to perform characterization of the tested IR FPA (or a thermal camera core). The system enables measurement of all important parameters (noise/sensitivity, image quality, and spectral parameters) of camera cores and IR FPA sensors.
FT-N1 configuration of FT test system (measurement of noise/responsivity parameters in static flood mode)
FT-I configuration of FT test system (measurement of image quality parameters)
FT system can be delivered in a series of versions optimized for different test range of thermal camera cores and IR FPA sensors. Next, the system can be optionally delivered in ultra expanded version that enable also testing complete thermal imagers.
MIRAD is an infrared irradiator optimized to work as a block of machines that test semiconductor wafers used to manufacture LWIR/MWIR FPA imaging sensors. In detail, Mirad has been designed to replace IA-OPT385WL illuminator (emitting light in VIS-SWIR band) in IP750 Image Testing machine from Teradyne Inc. In other words, Mirad is a middle/far infrared radiation source that can irradiate tested wafer with regulated intensity and high uniformity. MIRAD can be also optimized to work as irradiator in other semiconductor wafers test machines offered on international market.
Photo and block diagram of MIRAD irradiator
SPOT is one of measuring stations offered by Inframet for testing IR FPA sensors and to support improvement of manufacturing technology of such sensors. In detail, SPOT enables direct measurement of spatial responsivity distribution function of raw MWIR FPA sensors and indirect accurate measurement of Modulation Transfer Function and cross-talk of these imaging sensors. In this way SPOT delivers valuable information about performance of raw MWIR FPA sensors. From designer point of view SPOT is a scanning light spot projector that projects ultra small light spot on surface of tested MWIR FPA combined with electronic system that measures output signal generated by a single active pixel of tested FPA.
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