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 34 for “"Integrated device"”.
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Towards programmable materials : tunable material properties through feedback control of conducting polymers
… level.This work is focused on developing an integrated device, called a programmable material, which mirrors the capabilities of natural co-fabricated controlled actuation systems such as muscle. While such a device may have the external appearance of a homogeneous material, it can possess …
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Design, Fabrication, and Interrogation of Integrated Wireless SAW Temperature Sensors
… is building a wirelessly interrogatable device with the same lifetime as the SAW substrate. The design of these application intensive sensors is complicated by the degradation of device bond wires, die adhesive, and antenna substrate. In an effort to maximize the benefits of the platform, …
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Real time, integrated, paper based temperature sensor for lab on a chip device
… dots is demonstrated. This sensor is later integrated into line a PDMS microfluidic device with two parallel microfluidic channels. The integrated device is chiefly to sense the difference in temperature of fluids inside the two channels. COMSOL Multiphysics 5.1 is used to simulate the …
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Outsourcing trends in semiconductor industry
Microelectronic devices traditionally were manufactured by companies that both designed and produced integrated chips. This process was important in 1970's and 1980's when the manufacturing processes required tweaking the design, understanding of the manufacturing processes and occasional need to …
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The integration of InP /InGaAsP ridge waveguide structures with dielectric waveguides on silicon
… monolithic integration of III-V optoelectronic devices on a silicon integrated circuit. Two significant capabilities required to achieve this monolithic integration were addressed: the assembly of III-V device structures on silicon and the fabrication of the waveguides that perform the …
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Monolithic heteroepitaxial integration of III-V semiconductor lasers on Si substrates
… optoelectronic integration on silicon-based integrated circuits has to date been limited to date by the large material differences between silicon (Si) and the direct-bandgap GaAs compounds from which optoelectronic components are fabricated. Graded Ge/GeSi buffer layers grown on standard Si …
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Carbon nano-relays for low power switching
… switch that operates with pull-off. Next a wafer integrated device was fabricated. Although pull-in was demonstrated in these integrated devices, pull-off was not possible primarily due to limitations in CN growth, which were also investigated. In the work on a double graphene switch we …
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High-Speed Modulation of Semiconductor Lasers and Modulators
… FP laser system. Second, we investigate integrated electroabsorption modulator-lasers. They are more compact and have very good high-speed performance. We study injection locking using these integrated devices, presenting a novel data acquisition method by directly measuring the modulator …
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Continuous dielectrophoretic separation of colloidal particles
… aid of a range of miniaturised, microfabricated devices. However, DEP at the nano-scale is a novel area and is still under research. <br/><br/>Miniaturisation of devices in general has been an ongoing trend to improve the performance of analytical tools. In particular, processes for micro-device …
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Magneto-optical oxide thin films and integrated nonreciprocal photonic devices
Nonreciprocal photonic devices including optical isolators and optical circulators are indispensible components in present day optical communication systems. Although highly desired by the fast development of silicon photonics, monolithically integrating such devices on a semiconductor platform has …
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A fully-integrated multi-watt permanent-magnet turbine generator
… the design, fabrication, and testing of a fully-integrated permanent-magnet turbine generator based on silicon MEMS technology envisioned to replace batteries. The air-driven device, supported on gas bearings, has been experimentally shown to deliver 19 mW to matched resistive loads of 0.33 …
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Switchable stiffness scanning microscope probe
… gained widespread utilization as an imaging device and micro/nano-manipulator during recent years. This thesis investigates the new concept of a dual stiffness scanning probe with respect to biological applications and determines the resulting requirements for the scanning of soft bio …
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MicroGC: Of Detectors and their Integration
… of its salient features. The operation of this integrated device with a preconcentrator and in a matrix array was investigated. The more unique contribution of this research lies in the innovative discharge ionization detector. An ultra-low power, sensitive, easy to fabricate detector, it …
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Integrated DNA extraction and amplification on a microfluidic device
… the two processes in a single microfluidic device. This integrated device will then be incorporated upstream of capillary gel electrophoresis and fluorescence-based detection for development of a completely integrated genetic analysis system.DNA extraction was performed using a silica …
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Novel Integration Strategies with Photovoltaics Using Different Compound Parabolic Concentrator Geometries: Optical, Thermal, and Scalable Investigations
… the integration of advanced photovoltaic devices with non-imaging optical concentrators, with emphasis on understanding their optical and thermal behaviour under illumination. The research addresses the dual challenges of enhancing photon capture while reducing thermally induced …
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The development of components for ultrafast all-optical communication networks
… index modulation, typically buried within the device structure (hence requiring an overgrowth step), is used to select the specific operating wavelength of the laser. As the WDM wavelength spacing continues to decrease, the increasing demands placed on the fabrication of the DFB lasers bring …
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Development of a Smartphone Based Point of Care Device for Multiplexed Infectious Disease Diagnosis
… Wireless multiplex point of care diagnostic devices can address the drawbacks of current gold standard diagnostic methods such as ELISA and PCR, while allowing for epidemiological data collection and use through geo-tagging and real-time disease tracking when coupled with cell-phones. …
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Configurable and Up-Scalable Microfluidic Life Science Platform for Cell Based Assays by Gravity Driven Sequential Perfusion and Diffusion
… addressed in this work by first demonstrating an integrated microfluidic tmRNA purification and real time nucleic acid sequence based amplification (NASBA) device. The device is manufactured using soft lithography and a unique silica bead immobilization method for the nucleic acid micro …
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