The PRINT Process
Figure 1. A unique liquid fluoropolymer (green) is poured on the surface of the master template (gray) and photochemically cross linked. The template is then peeled away to generate a precise mold with micro- or nanoscale cavities. A pre-particle solution (red) is distributed evenly in the mold, which then solidifies. Particles are removed from the mold by bringing the mold in contact with a harvesting film (yellow). Dissolution of the film yields free-flowing particles in solution, enabling them to be easily handled, chemically modified, and analyzed.