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) Schematic illustration of writing with a scanning probe tip on a polymer surface. b) Scanning electron microscopy (SEM) images of a commercial Si AFM probe. Edge- and face-first writing directions are defined based on the direction of tip movement. The inset schematic illustrates the geometric difference between edge- and face-directed writing.
