Abstract
High-resolution imaging of a reflection mask over a 0.4 mm diameter field of view has been demonstrated using a new extreme ultraviolet (EUV) imaging system. A significant reduction in debris from the laser plasma source (LPS) has extended the life of the condenser to approximately 1000 exposures without condenser maintenance. High EUV throughput of this system demonstrates the precise matching of five multilayer-coated surfaces reflecting at a center wavelength of 13.4 nm.
© 1994 Optical Society of America
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