Microtech2010 2010

Optimized Surface Patterning Tools for Sub-attoliter Volume Fluid Deposition

M.L. Adams
University of South Alabama, US

Keywords: microfluidics, patterning, cantilever, surface tension


Micromachined cantilever-based surface patterning tools were optimized to allow submicron diameter printing of fluids on various surfaces. A detailed fluidics model was used to analyze critical variables and determine the best method for optimization. Tools were fabricated and tested on a BioForce Nanosciences Nanoenabler bench-top molecular printer. The new tool design improved spot reproducibility, yield and allowed for the deposition of submicron diameter spots which had not previously been demonstrated.
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