公开(公告)号：US20060186547A1

公开(公告)日：2006-08-24

申请号：US11066432

申请日：2005-02-24

申请人： Wen-De Wang ,  Dun-Nian Yaung ,  Shou-Gwo Wuu ,  Chung-Yi Yu

发明人： Wen-De Wang ,  Dun-Nian Yaung ,  Shou-Gwo Wuu ,  Chung-Yi Yu

IPC分类号： H01L23/52

CPC分类号： H01L27/14654 ,  H01L27/14623 ,  H01L27/14636 ,  H01L2924/0002 ,  H01L2924/00

摘要： System and method for providing a light shield for a CMOS imager is provided. The light shield comprises a structure formed above a point between a photo-sensitive element and adjacent circuitry. The structure is formed of a light-blocking material, such as a metal, metal alloy, metal compound, or the like, formed in dielectric layers over the photo-sensitive elements.