Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 11 of 11 for “"Electrohydrodynamic-jet (E-jet)"”.
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A 2nd generation electrohydrodynamic jet (e-jet) printing system, parametric studies of e-jet nozzles and integrated electrode e-jet deposition
As electrohydrodynamic jet (e-jet) printing technology developments have increased in magnitude over the past few years, a low-cost and user friendly, high-resolution desktop system was developed at the University of Illinois at Urbana-Champaign. The original desktop system provided great …
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Design and fabrication of multimaterial electrohydrodynamic-jet deposition system
Electrohydrodynamic jet (E-jet) printing has emerged as a high resolution alternative to other forms of direct solution-based fabrication approaches, such as ink-jet printing. This thesis discusses the design, integration and operation of a unique E-jet printing platform. The uniqueness lies in the …
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Improvements to the electrohydrodynamic jet printing process
… nano-scale manufacturing in recent years, and Electrohydrodynamic Jet (E-Jet) printing offers unique advantages over other technologies in this field. In this thesis, we describe two individual improvements to E-jet printing which will increase its capabilities for micro- and nano-scale …
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Precision coordination and motion control of multiple systems via iterative learning control
… control strategies for coordinated applications. Electrohydrodynamic jet (E-jet) printing, an example of an emerging micro/nano-manufacturing process with applications in biotechnology and flexible electronics, requires multiple systems to work in a coordinated manner to achieve a desired …
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Vision based iterative learning control for a roll to roll micro/nano-manufacturing system
… a particular focus is placed on integrating the Electrohydrodynamic-Jet (E-Jet) printing system to the R2R system environment. Regardless of the micro/nano-manufacturing processes that are employed, the presence of hybrid stepping/scanning motions, both continuous and start/stop motions, should …
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Patterned substrates for cell culture with electrohydrodynamic jet printing
… the interaction of these factors. In this work, electrohydrodynamic jet (e-jet) printing is introduced as a method to pattern adhesion proteins on hydrogel substrates for cell culture. First, a new technique to fabricate polyacrylamide substrates was developed and optimized. Hydrogels were …
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Fluorescence resonance energy transfer study of the global folding of functional DNAs and electrohydrodynamic printing of protein arrays
… based on the structure-switching principle. Electrohydrodynamic jet (E-jet) printing is applied to the protein microarray field. With the development of multi-nozzle printing system, both single-protein array and multiple-protein arrays are successfully demonstrated. Several proteins, such as …
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Manufacturing all-polymer laminar flow-based fuel cells
… laminar flow-based fuel cells (LFFCs) and (ii) electrohydrodynamic-jet (e-jet) printing. Most LFFCs presented to date have been proof-of-concept unit cells that are not commercially viable for portable electronic applications. Transitioning from proof-of-concept, single-channel cells to a …
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Electrohydrodynamic jet printing: advancements in manufacturing applications
Electrohydrodynamic jet printing offers advantages such as high resolution over more traditional manufacturing printing techniques, but lacks in the high throughput that is demanded by industry. At the University of Illinois at Urbana-Champaign, UIUC, a high resolution technique for printing was …
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Electrohydrodynamic jet printing: droplet to shape writing, and potential applications with 172nm exposure
Electrohydrodynamic jet printing facilitates the deposition of 500nm-30um droplets with high positional accuracy. The University of Illinois at Urbana-Champaign, UIUC, has developed this technique and shown it has many capabilities. Whether the goal is to pattern biologically active chemicals, draw …
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Advanced techniques for chemical gradient, eutectic metal, and crystallized polymer film additive manufacturing
… and manufacture devices in novel ways. First, E-jet printing is used to manufacture chemical gradients in a hydrogel. A chemical gradient acts like a sort of chemically specific attractor that collects analyte in a specified regions. Although these devices have been made using a pipette before, …