There is provided methods and apparatus for compensation of intensity profiles of imagers used in three-dimensional modelers. The intensity profile of the actinic radiation projected from the imager is determined by a variety of techniques, including but not limited to manually operated sensors, exposed...http://www.google.fr/patents/US8048359?utm_source=gb-gplus-shareBrevet US8048359 - Compensation of actinic radiation intensity profiles for three-dimensional modelers
Compensation of actinic radiation intensity profiles for three-dimensional ...
