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| Single-point diamond turning of electroless nickel for flat X-ray mirror
Kwon Su Chon
The Journal of Mechanical Science and Technology, vol. 24, no. 8, pp.1603-1609, 2010
Abstract : X-ray mirrors require a super-smooth surface to prevent strong X-ray scattering. We examined the fabrication possibility of the X-ray
mirror by single-point diamond turning (SPDT) for electroless nickel. The stable and unstable cutting modes for the electroless nickel
were obtained by observing the relative position of a diamond tool for machining. A super-smooth surface of 0.95 nm rms was achieved
within the stable cutting mode. The surface roughness of the electroless nickel mirror measured with an optical profiler was compared
with the X-ray reflectivity measurement. The electroless nickel mirror could be successfully used as a soft X-ray reflector and a low-pass
filter for the hard X-rays.
Keyword : Electroless nickel; Single-point diamond turning; Surface roughness; Ultraprecision machining; X-ray mirror |
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