Thursday, April 9, 2015

KAIST develops a photolithographic technology that enables 3D control over functional shapes of microstructures

As feautured in TG Techno: Professor Shin-Hyun Kim and his research team in the Department of Chemical and Biomolecular Engineering at KAIST have developed a novel photolithographic technology enabling control over the functional shapes of micropatterns using oxygen diffusion.

Professor Kim’s research team discovered that: 1) the areas exposed to UV light lowered the concentration of oxygen and thus resulted in oxygen diffusion; and 2) manipulation of the diffusion speed and direction allowed control of the growth, shape and size of the polymers. Based on these findings, the team developed a new photolithographic technology that enabled the production of micropatterns with three-dimensional structures in various shapes and sizes. 
Polymers with various shapes and sizes produced with the new photolithographic technology developed by Professor Kim

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