A Thermal Infrared Calibration Board is designed specifically for calibrating infrared and thermal imaging cameras. Unlike standard visible-light boards, it features a pattern with varying thermal emissivity or temperature-controlled regions, enabling accurate detection of spatial features in the thermal spectrum. These boards are widely used in applications such as thermal inspection, building diagnostics, robotics, and industrial process monitoring. They are available in various sizes to accommodate different calibration needs, from small boards for laboratory setups to large boards for industrial environments. Made from durable and thermally stable materials, thermal infrared calibration boards ensure reliable calibration in both 2D planar and 3D spatial setups, enhancing the precision and repeatability of thermal imaging systems.