Skip to main content
. Author manuscript; available in PMC: 2017 Sep 15.
Published in final edited form as: Lab Chip. 2009 Mar 26;9(13):1951–1956. doi: 10.1039/b902124h

Fig. 2.

Fig. 2

Scanning electron microscopy images of (A) PUMA replica of an array of closely spaced high-aspect-ratio columns. (B) DRIE-Si master that is opposite in polarity as (A), and (C) PDMS replica made from DRIE-Si master in (B).