1. B. Breithaupt, H.H. David, R. Ballhorn, E.P. Jacobs, W. Windbracke, G. Zwicker, “A 0.25 μm N-MOS Transistor Fabricated by X-ray Lithography”, to be published
2. Identification and Removal of Opaque Defects on X-ray Masks in a Focused Ion Beam Repair System;Weigmann,1987
3. Influence of X-ray Mask Repair on Pattern Placement Accuracy;Schaffer,1990