Room Temperature Imprint Using Crack-Free Monolithic SiO₂-PVA Nanocomposite for Fabricating Microhole Array on Silica Glass

Figure 9

(a) Photograph of the sintered silica glass possessing the micro-conical-hole array on the surface (the broken circle indicates the micropatterned area), (b) the microhole array on the silica glass as observed by a microscope, and (c) three-dimensional image for the micro-conical-hole on the sintered silica glass measured by the confocal laser scanning microscopy.

(a)

(b)

(c)