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 14 of 14 for “"thermal drawing process"”.
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Multifunctional Polymer Fiber Probes for Biomedical Application
… (additive manufacturing), laser machining, thermal drawing, and electrospinning. The choice of fabrication methods heavily depends on the materials, geometry, and functionalities of biomedical devices. Currently, the thermal drawing process has proven to be an excellent scalable fabrication …
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Development of neural probes using thermal drawing
… invasive neural probes were fabricated using a thermal drawing process, with polymers serving as their main structural constituent. Through the use of different polymers, probes containing arrays of tin electrodes as small as 5 [mu]m were fabricated, as were probes combining capabilities for …
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Fiber inspired neural probes
… disorders. In this thesis, I employed a two-step thermal drawing process (TDP), widely used in fabrication of optical fibers, to create arrays of metal microelectrodes embedded in a polymer cladding. The pitch and size of the electrodes were determined on the macroscale and preserved during the …
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Drawn Polymer Fiber Recuperative Heat Exchangers
… These heat exchangers are manufactured using a thermal drawing process where a bulk polymer preform is heated and stretched. The process results in channels with a characteristic dimension of 50-100 µm and with an overall length of many meters. The drawn heat exchangers are lightweight, …
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Materials selection and processing for reliable neural interfaces
… sufficiently carry out these functions. Using a thermal drawing process (TDP), multimaterial fibers comprised of polymer-metal composites can be fabricated to create flexible, microelectrode arrays. These fibers can be further processed after the TDP, using selective etching to reduce the …
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Characterization and connectorization of optoelectronic neural probes
… of polymer-based probes produced through thermal drawing process. Our results indicate that polymer-based fiber-probes maintain low-loss optical transmission even in the presence of 90-270* bending deformation with radii of curvature as low as 500 pim over multiple deformation cycles. …
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Multimaterial rectifying device fibers
Electronic and optoelectronic device processing is commonly thought to be incompatible with much simpler thermal drawing techniques used in optical fiber production. The incorporation of metals, polymer insulators, and chalcogenide semiconductors into structured fibers has reversed this paradigm …
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Multifunctional fiber-based neural interfaces
… modalities within a single platform using thermal drawing process (TDP). All-polymer or hydrogel integrated probes with optical, electrical, and fluidic capabilities were developed all within the 100-200 [mu]m diameter, which allowed one-step surgery to the mouse brain and spinal cord for …
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Engineering Biomedical and Bioinspired Fiber Devices via Thermal Drawing
… One of the fiber fabrication methods, thermal drawing process, has a unique strength on a scalable production of multimaterial fibers. Based on various properties of multiple materials in a single fiber, multifunctional fibers have been studied for diverse applications such as sensing, …
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Interrogating the lungs through wearable fabric electronics
… the lungs. These fibers were created using the thermal drawing process that allows the fibers to perform various functions depending on the materials used for the draw. The initial solution used a conductive fiber created by injecting a liquid metal into a hollow fiber. This was deemed …
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Multifunctional Multimaterial Fibers for Sensing and Modulation in Wearable and Biomedical Applications
… structures and multiple functionalities. The thermal drawing technique has emerged as a promising method for fabricating such fiber devices. It allows for the integration of multiple materials and intricate microstructures, thereby expanding the functionality and applications of the devices. …
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Multimaterial acoustic fibers
… beyond optical transmission. Fiber reflectors, thermal detectors, photodetectors, chemical sensors, surface-emitting fiber lasers, fiber diodes, and other functional fiber devices have been demonstrated with this approach. Yet, throughout this development and indeed the development of fibers in …
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Multimaterial multifunctional fibers for biomedical applications
… electrode materials that can be utilized in the thermal drawing process limits the function of the fiber in other types of biomedical application, such as deep brain stimulation and electrochemical sensing. For example, the large inherent electrical resistance of the electrode material will …
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Wearable Power Sources and Self-powered Sensors Based on the Triboelectric Nanogenerators
… adopted two approaches for TENG fabrication: the thermal drawing method (TDP) and 3D printing. With TDP, we have fabricated scalable fiber-based triboelectric nanogenerators (FTENG), which have been woven into textiles by an industrial loom for wearable use. This fabrication process can supply …