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 20 of 28 for “"patterning technique"”.
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Design and development of a site specific protein patterning technique for use in a microfluidic antibody separation device
The rapid quantification of the concentration of different immunoglobulins classes from patient serum is required to diagnose patients in the early stages of sepsis. Microfluidic point of care technology can improve diagnostics by decreasing the analysis time, and integrating parallel analysis in a …
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Harnessing Solid-State Ionic Transport for Nanomanufacturing and Nanodevices
… ambient processing condition direct metal patterning technique has been developed and characterized. This ionic-transport-based patterning technique is capable of sub-50nm feature resolution under ambient conditions. It generates features with a rate that is comparable to conventional …
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Inkless Soft Lithography: Utilizing Immobilized Enzymes and Small Molecules to Pattern Self-Assembled Monolayers Via Catalytic Microcontact Printing
<p>During the past two decades, soft lithographic techniques that circumvent the limitations of photolithography have emerged as important tools for the transfer of patterns with sub-micron dimensions. Among these techniques, microcontact printing (uCP) has shown special promise. In uCP, an …
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Design-technology co-optimization in next generation lithography
… happens along four different directions: • new patterning technique (e.g. litho-etch-litho-etch, self-aligned pattering) • new design methodology (e.g. restricted design rule, 1-D design) • new illumination system (e.g. extreme ultraviolet lithography, electronbeam, directed self-assembly) • new …
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Bioanalytical applications of microfluidic devices
The first part of the thesis describes a new patterning technique--microfluidic contact printing--that combines several of the desirable aspects of microcontact printing and microfluidic patterning and addresses some of their important limitations through the integration of a track-etched …
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patial Control of the Conductivity of Poly(3,4-ethylenedioxythiopehe): Poly(styrenesulfonate) Thin Films
… applying this previously unexplored direct write patterning technique using ultraviolet exposure, novel device demonstrations of patterned organic light emitting diodes as well as an all PEDOT:PSS capacitive sensing array were implemented. The key feature of such device demonstration being that no …
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Development of an inking system for continuous roll-to-roll microcontact printing of hexadecanethiol (HDT) on gold-coated PET
… flat, rigid substrates. However, to utilize this patterning technique in a truly low cost manner, it must evolve to a scalable roll-to-roll process. This combination of high precision patterning with high throughput manufacturing techniques could both reduce cost of current products, as well as …
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Development of Nanotemplates and Nanomagnetic Materials for Data Storage Applications
… molds for filling other materials inside. This patterning technique might enable a more advanced magnetic recording technology, bit-patterned-media (BPM). The chemically functionalized graphene with sulfates and oxygens were investigated for potential applications in spintronics.
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Achieving sub-10-nm resolution using scanning electron beam lithography
… highest resolution of nearly any conventional patterning technique available, reliably defining features at these length scales has been a challenge, as well as an interesting scientific problem. In this work I have investigated, both theoretically and experimentally, many of the factors that …
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Planar chalcogenide glass materials and devices
… We have developed and optimized a lift-off patterning technique for Si-CMOS backend compatible fabrication of high-index-contrast (HIC) chalcogenide glass devices. A thermal reflow technique further removes the sidewall roughness resulting from the patterning process and is shown to …
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Stop-flow lithography and its application to graphical encoding
… which cannot be provided with existing techniques. In this thesis, a new fabrication technique is presented combining Stop-Flow Lithography (SFL) and a spatial light modulator (SLM). With this technique, geometrically anisotropic colloid particles are generated at high throughput (~106 …
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Less strain, more gain_nano_patterning III-N thin films
… A cheap and easily repeatable self-assembly nano-patterning technique at wafer scale was designed during this thesis for top down production of III-N nanowires. Through annealing under ammonia and N2 gas flow, the first reported dislocation defect bending was observed in III-N nanorods by in-situ …
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Novel blood platelet diagnostic platform
… in micrometer sized area using a protein patterning technique makes the analysis innovative and potentially very useful.
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The Design Of A Nanolithographic Process
… process for nanometer scale surface patterning. The process involves the combination of serial atomic force microscope (AFM) based nanolithography with the parallel patterning capabilities of soft lithography. The union of these two techniques provides for a unique approach to …
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Multicellular self-assembly on patterned surfaces
… A model system was developed using a simple patterning technique to prepare surfaces with alternating regions that supported variable cell response. First, the influence of certain biophysical parameters that may govern multicellular assembly of a single cell type on patterned surfaces was …
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Solution-Processed ZnO Nanoparticles for Optically Addressed Spatial Light Modulators and Other Applications
… In addition, the possibility of high-resolution patterning makes solution-based materials particularly suitable for integrated applications. The material that was investigated in this work is zinc oxide nanoparticles (ZnO NPs) dispersion, motivated by the highest resolution on record of optically …
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Transparent neural interfaces for simultaneous electrophysiology and advanced brain imaging
… *in vitro* and *in vivo*. Spectroscopic techniques like magnetic resonance imaging (MRI) can access deep regions of the brain over a large area and is the state-of-the-art in clinical brain imaging. On the other hand, microelectrode arrays (MEAs) and neural probes are indispensable in …
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Novel advancements in nanofabrication for photonic crystal applications
… defects. No single conventional nanoscale patterning technique is able to fulfil all of these requirements simultaneously. Pattern placement and throughput challenges for planar lithography can be addressed by combining spatial-phase-locked electron-beam lithography (SPLEBL) with lowenergy …
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Optical nano-antennas: Fabrication, characterization and applications
… as well as a newly developed direct metal patterning technique. The important challenges in optical antenna research include both fundamental understanding of the underlying physics as well as issues related to fabrication of low cost, high throughput nanostructures beyond the diffraction …
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In situ magnetoresistance measurements during patterning of spin valve devices
… describes an experimental study on the patterning of thin films and spin valve devices. Initially the change in the magnetisation reversal of ferromagnetic Ni$_{80}$Fe$_{15}$Mo$_{5}$ thin films was investigated as the shape anisotropy was increased using optical lithography to pattern …
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