Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(A) Gecko adhesive patch fabrication process. (B) Optical and atomic force microscopy (AFM) images of diffraction grating. (C) Scanning electron microscope (SEM) image of unpatterned silicone surface. (D) SEM images of patterned silicone surface. (E) AFM image of patterned silicone surface.
