US Patent 7355227 Detecting pixel matrix integrated into a charge reader circuit

A matrix of detection pixels and a photoelectric detector that includes a matrix of detection pixels and a reading circuit of loads detected by the detection pixels of the matrix. A detection pixel includes a photosensitive semi-conductor area with a first face covered with a first electrode and a second face located opposite the first face and covered with a second electrode. The first electrode includes a metal pattern that can collect the electrical loads generated by the detection pixel. The matrix can be applied, for example, to the creation of sensors used in scanners and photographic apparatuses or digital cameras or biosensors.