Send to

Choose Destination
Nature. 2004 Mar 25;428(6981):386.

Microperiodic structures: direct writing of three-dimensional webs.

Author information

Frederick Seitz Materials Research Laboratory and Materials Science and Engineering Department, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA.


Applications are emerging that require the creation of fine-scale structures in three dimensions--examples include scaffolds for tissue engineering, micro-fluidic devices and photonic materials that control light propagation over a range of frequencies. But writing methods such as dip-pen nanolithography and ink-jet printing are either confined to two dimensions or beset by wetting and spreading problems. Here we use concentrated polyelectrolyte inks to write three-dimensional microperiodic structures directly without using masks. Our technique enables us to write arbitrary three-dimensional patterns whose features are nearly two orders of magnitude smaller than those attained with other multilayer printing techniques.


Supplemental Content

Full text links

Icon for Nature Publishing Group
Loading ...
Support Center