%0 Journal Article %T Hard x-ray imaging system for XEUS %A Kunieda, Hideyo %A Takahashi, Tadayuki %A Nakazawa, Kazuhiro %A Ogasaka, Yasushi %J Proceedings of SPIE %V 7011 %N 1 %P 70110D-70110D-9 %@ 0277-786X %D 2008-07-12 %I SPIE %~ DeepDyve