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Howells, M.R.; Casstevens, J.
Lawrence Berkeley Lab., CA (United States). Funding organisation: USDOE Office of Energy Research, Washington, DC (United States)1997
Lawrence Berkeley Lab., CA (United States). Funding organisation: USDOE Office of Energy Research, Washington, DC (United States)1997
AbstractAbstract
[en] We report the achievement of a superpolished surface, suitable for x-ray reflection, on bare stainless steel. The rms roughness obtained on various samples varied from 2.2 to 4.2 angstrom, as measured by an optical profiler with a bandwidth 0.29-100 mm-1. The type 17-4 PH precipitation-hardening stainless steel used to make the mirrors is also capable of ultrastability and has good manufactureability. This combination of properties makes it an excellent candidate material for mirror substrates. We describe the successful utilization of this type of steel in making elliptical-cylinder mirrors for a soft-x-ray microprobe system at the Advanced Light Source, and discuss possible for its unusual stability and polishability
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Aug 1997; 9 p; Annual meeting of the Society of Photo-Optical Instrumentation Engineers; San Diego, CA (United States); 27 Jul - 1 Aug 1997; CONF-970706--; LSBL--413; CONTRACT AC03-76SF00098; Also available from OSTI as DE98050026; NTIS; US Govt. Printing Office Dep
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