Princeton University Library Catalog

Advective Phenomena in Continuous Flow Lithography Around Pillars

Author/​Artist:
Balaji, Raj [Browse]
Format:
Senior thesis
Language:
English
Advisor(s):
Stone, Howard A. [Browse]
Department:
Princeton University. Department of Mechanical and Aerospace Engineering [Browse]
Class year:
2017
Summary note:
Manufacturing techniques for micron-scale polymer structures has gained renewed interest in the last decade. The usefulness of these structures is illustrated through examples of modern applications. Flow lithography is then introduced as a high-throughput method for producing such structures. Manufacturing limits for CFL, a variant of flow lithography, are not well-explored. An experimental apparatus to probe these limits is designed and constructed. CFL around posts is performed in a series of experiments to observe velocity-induced deformations in polymerized shapes. One type of deformation - reduction in leading-edge length of the structure - is measured in several trials and modeled as a function of flow properties, monomer solution properties, and light properties. The model is evaluated, and suggestions for improvement are offered.
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