F. Bijkerk et al., A HIGH-POWER, LOW-CONTAMINATION LASER-PLASMA SOURCE FOR EXTREME UV LITHOGRAPHY, Microelectronic engineering, 27(1-4), 1995, pp. 299-301
Experimental results are reported on the development of a low-contamin
ation laser-plasma source for extreme ultra-violet lithography (EUVL).
The results concern the intensity in the 12.5 to 15.5 nm wavelength r
ange and the pollution of EUV optics by plasma debris.