An active pixel sensor for producing images from electron-hole producing radiation includes a crystalline semiconductor substrate having an array of electrically conductive diffusion regions, an interlayer dielectric (ILD) layer formed over the crystalline semiconductor substrate and comprising an array...http://www.google.se/patents/US6791130?utm_source=gb-gplus-sharePatent US6791130 - Photoconductor-on-active-pixel (POAP) sensor utilizing a multi-layered radiation absorbing structure
