%0 Journal Article %T Optical performance of bare image sensor die and sensors packaged at the wafer level and protected by a cover glass %A Humpston, G. %A Grinman, A. %A Jackl, O. %J Proceedings of SPIE %V 6897 %N 1 %P 68970U-68970U-11 %@ 0277-786X %D 2008-02-07 %I SPIE %~ DeepDyve