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 282 for “"Microfabrication"”.
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Lightweight Structures Enabled By Microfabrication
… strong or stiff. The recent advancements in microfabrication have allowed the manufacture of structures with unprecedented properties. In this work, three strategies of achieving lightweight structures are explored: (1) hollowing, (2) folding, and (3) lightweight composites. The first …
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3D microfabrication of biological machines
… has brought about a new discipline: using microfabrication technologies to forward engineer biological machines and systems capable of complex functional behavior. By introducing a new set of “building blocks” into the engineer’s toolbox, this new era of design and manufacturing promises to …
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Electrochemical materials and microfabrication for sensor devices
An electrochemical sensor is an analytical chemistry device that can quantitatively detect the concentration of a target analyte by oxidising or reducing the analyte and measuring the resulting current. These versatile sensors can offer rapid, real-time, sensitive, selective and cost-effective …
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Novel Inorganic Photoresists for Three-Dimensional Microfabrication
Inorganic photoresists that can be directly patterned in three dimensions via both 3D laser direct writing and 3D interference lithography based fabrication approaches are attractive materials for the fabrication of complex microfluidic and micro-optical components such as chaotic mixing elements …
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Microfabrication methods for the study of chemotaxis
We have developed a system for studying chemotaxis in a microfabricated system. The goal was to develop a system capable of generating spatially and temporally stable concentration gradients of a chemotactic molecule while providing a viable environment for the cell. Numerical models were generated …
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Design and microfabrication of multifunctional bio-inspired surfaces
In this thesis, we used CMOS-like technologies to produce improved, hierarchical multifunctional bioinspired surfaces. Different natural surfaces have been surveyed including well-known lotus leaf, sharkskin, back of the Namib Desert beetle, butterfly wings, and legs of water-walking insects. The …
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Design, microfabrication and characterisation of Photonic Integrated Circuits
This doctoral dissertation deals with the design, fabrication and characterization of state-of-the-art Photonic Integrated Circuits (PICs) for non-linear applications. Silicon PICs is a technology mainly used for application in telecommunications and quantum optics. The strong third order …
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Microfabrication of conductive polymer nanocomposite for sensor applications
This dissertation developed novel microfabrication techniques of conductive polymer nanocomposite and utilized this material as a functional element for various physical sensor applications. Microstructures of nanocomposite were realized through novel microcontact printing and laser ablation …
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Microfabrication of silicon tips for scanning probe microscopy
This thesis investigates the microfabrication of silicon tips for Scanning Probe Microscopy. First, a microfabrication process was developed to produce silicon tips over 100 um height with a sharp apex of ~10–20 nm. To prevent inadvertent contact between the substrate bearing the tip and the sample …
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Assessing the viability of various metallic microfabrication techniques
… to assess the viability of a group of metallic microfabrication techniques aimed at the production of microelectromechanical systems (MEMS) This undertaking was done to show which methods hold the most promise for the near future. The methods investigated include LIGA, micromilling, jet molding, …
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3D scaffolds for tissue engineering produced by microfabrication technology
… micrometric geometry by using an in-house built microfabrication system. Poly(D,L-lactic acid) (PDLA), poly(D,L-lactic-co-glycolic acid) (PLGA) and chitosan scaffolds presenting homogeneously distributed 100 Âμm size pores were fabricated. Fabrication consisted in a layer by layer deposition of …
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Microfabrication and Evaluation of Planar Thin-Film Microfluidic Devices
… a novel fabrication method, based on standard microfabrication techniques, to create thin-film microfluidic devices. This microfabrication format makes it possible to generate devices that provide high efficiencies, enable mass fabrication, and provide a platform capable of integrating the …
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Semiconductors for Li-ion batteries: Raman spectroscopy & electrode microfabrication
The student, Brandon Long, accepted the attached license on 2012-09-20 at 22:19.
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Microfabrication of surface electrode ion traps for quantum manipulation
… states. In this thesis, we present the detailed microfabrication of several series of surface electrode linear Paul traps made from different electrode materials, followed by the ion motional heating experiment results for these traps. We demonstrate that the ion motional heating strongly depends …
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Engineering the microfabrication of layer-by-layer polyelectrolyte assembly
The feasibility of microstructuring polyelectrolyte multilayers has been established by using the layer-by-layer assembly technique in combination with patterned self-assembled monolayers (SAMs). SAMs of a carboxylic acid surface (COOH) and a triethylene glycol surface (EG) were used to promote and …
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Novel multiphase chemical reaction systems enabled by microfabrication technology
… novel chemical reaction systems using MEMS and microfabrication methods (photolithography, deep-reactive-ion etching, thin-film growth and deposition, and multiple wafer bonding). Miniature chemical systems provide the opportunity for distributed, on-demand manufacturing, which would eliminate …
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Controlling cell-cell interactions in hepatic tissue engineering using microfabrication
Thesis (Ph. D.)--Massachusetts Institute of Technology, Whitaker College of Health Sciences and Technology, 1997.
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Synthesis and microfabrication of elastomeric biomaterials for advanced tissue engineering scaffolds
… subject of this thesis lies at the interface of microfabrication technology and advanced biomaterials synthesis and processing for use in designing and fabricating novel tissue engineered constructs. The unifying theme is to use micron and sub-micron fabrication strategies to form advanced tissue …
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Microfabrication Approaches for Understanding the Role of Vascular Mechanics in Progressive Diseases
… pertinent. Here, we focus on the development of microfabrication experimental approaches for probing the critical mechanical and biochemical pathways involved in progression of diseases, such as cerebral vasospasm, subarachnoid hemorrhage, and Alzheimer’s disease, that often result from TBI. …
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