A novel pixel sensor cell structure and method of manufacture. The pixel sensor cell includes a collection well region of a first conductivity type and a pinning layer formed in a substrate. The pinning layer includes a first impurity region of a second conductivity type and a second impurity region...http://www.google.com/patents/US20070023796?utm_source=gb-gplus-sharePatent US20070023796 - PINNING LAYER FOR PIXEL SENSOR CELL AND METHOD THEREOF
