International Journal 2013.04: Cho, Y. H., Lee, K. Y., Moon, I. Y., Kim, B. H., Park, K., Facile Fabrication of Superhydrophobic Poly(Methyl Methacrylate) Substrates using Ultrasonic Imprinting, Journal of Micromechanics and Microengineering, Vol. 23, 055019, 201
Cho, Y. H., Lee, K. Y., Moon, I. Y., Kim, B. H., Park, K., "Facile Fabrication of Superhydrophobic Poly(Methyl Methacrylate) Substrates using Ultrasonic Imprinting," Journal of Micromechanics and Microengineering, Vol. 23, 055019, 2013
To construct a sharp edge at the tool tip, the discharge energy in μEDM was minimized in the finishing process. The resulting radius of the cutting edge was less than 1 μm