, Volume 24, Issue 8, pp 1603-1609
Date: 05 Aug 2010

Single-point diamond turning of electroless nickel for flat X-ray mirror

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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.

This paper was recommended for publication in revised form by Associate Editor Dae-Eun Kim
Kwon Su Chon received a PhD in Mechanical Engineering from Chubu University. He was a research professor at the Institute for Radiological Imaging Science. He has worked at the Department of Radiological Science in Catholic University of Daegu since 2009. His research is in the field of design and fabrication of X-ray optics and X-ray imaging system of nano and micro-spatial resolution.
Yoshiharu Namba graduated from the Department of Precision Engineering, Osaka University, in 1964, and received the Dr Eng degree from Osaka University in 1971. He was an associated professor at Osaka University from 1972 to 1987, and has been a professor at Chubu University since 1987. He was the winner of the David Richardson Medal from the Optical Society of America in 1998. He is a fellow of JSME and JSPE.