Author Affiliations

D. Attwood,^* Y. Vladimirsky,^*,⌑ D. Kern,^† W. Meyer-Ilse,^‡ J. Kirz,^● S. Rothman,^●,¥ H. Rarback,^§ N. Iskander,^● K. McQuaid,^¥ H. Ade,^● and T. H. P. Chang^†

^*Center for X-Ray Optics, Lawrence Berkeley Laboratory, University of California, Berkeley, California 94720

^†Nanostructure Technology Group, IBM T. J. Watson Research Center, Yorktown Heights, New York 11974

^‡Universität Göttingen, Forschungsgruppe Röntgenmikroskopie, Geiststrausse II D-3400 Göttingen, Federal Republic of Germany

^●Department of Physics, State University of New York, Stony Brook, New York 11974

^§National Synchrotron Light Source, Brookhaven National Laboratory, Upton, New York 11973

^¥University of California, San Francisco, California 94143

^⌑IBM East Fishkill Development Center, Hopewell Junction, New York 12553