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 13 of 13 for “"electrohydrodynamic-jet printing"”.
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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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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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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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High-Resolution Electrohydrodynamic Jet Printing Methods for Applications in Electronics and Biotechnology
Non-contact solution printing methods such as thermal or piezoelectric inkjet are attractive due to their compatibility with various materials and substrates. Interests in their applications in electronics and biotechnology, where requirements on resolution can be demanding, have grown rapidly in …
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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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High precision electrohydrodynamic printing of polymer onto microcantilever sensors
This thesis reports electrohydrodynamic jet printing to deposit 2 – 27 um diameter polymer droplets onto microcantilever sensors. The polymer droplets were deposited as single droplets or organized patterns, with sub-μm control over droplet diameter and position. The droplet size could be …
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Metering and Routing of Liquid Quanta in Microfluidic Devices
… here were utilized in conjunction with an electrohydrodynamic-jet printing process to generate a high resolution heterogeneous printhead.
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Molecular Self-Assembly of Carbon Nanosheets via AFM Nanoprinting
… including 2 photon polymerization (2PP), electrohydrodynamic jet printing, dip-pen nanolithography, and solid-state polymerization among others. In this thesis, we propose a new bottom-up nanofabrication approach by combining molecular self-assembly with atomic force microscopy (AFM), …
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Photonic crystal enhancement and tuning of quantum dot emission
… PC is fabricated with embedded QDs in which electrohydrodynamic jet printing is used to control the position of the quantum dots within the device structure. This results in significantly less waste of the QD material and the targeted placement of the quantum dots minimizes any emission …
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Quantum dot polymer composite materials for light management in optoelectronic devices
… including spin-coating, drop casting and electrohydrodynamic jet printing. The polymer surface has been incorporated with nano-sized features to create photonic crystal structure. Up to 8 times QD excitation and emission enhancement have been demonstrated. We have also designed and …
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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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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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Vision based iterative learning control for a roll to roll micro/nano-manufacturing system
… and high resolution device fabrication through printing on a R2R system. A reconfigurable R2R system which serves as a continuous manufacturing platform for various micro/nano-manufacturing processes is built. Here, a particular focus is placed on integrating the Electrohydrodynamic-Jet (E-Jet) …