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Skip to Search Results- 1Amr Adel Balbola
- 1EL Gowini, Mohamed MT
- 1Ferguson, Brendan J
- 1Lavoie, Shawn
- 1Lueke, Jonathan S.
- 1Mohammed, Ahmed Ahmed Shehata
- 3Moussa, Walied (Mechanical Engineering)
- 1Dr. Larry Kostiuk (Department of Mechanical Engineering - University of Alberta)
- 1Dr. Martin Jun (Department of Mechanical Engineering - University of Victoria)
- 1Dr. Walied Moussa, Department of Mechanical Engineering
- 1Moussa, Walied A.(Mechanical Engineering)
- 1Sameoto, Daniel (Mechanical Engineering)
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Spring 2014
Energy harvesting is an important developing field in Microelectromechanical Systems (MEMS) research. In this thesis, a fixed-fixed folded spring-based harvester is presented as an alternative mechanical element for beam-based piezoelectric harvesters to reduce its natural frequency for low...
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Fall 2013
The continuing interest in Lab-on-a-Chip technologies and Point-of-Care diagnostics systems is driving the development of supporting components for microfluidic regulation. Optimally the microfluidic regulation components would operate cyclically with a minimum input power, could be precisely...
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Fall 2011
High aspect ratio microelectromechanical structures have been found, in the literature, to collapse due to capillary forces of liquids. In this dissertation, mathematical models are developed to study (i) the collapse of a microstructure represented by a double cantilevered beam (DCB) with a free...
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Development of a MEMS 3D Stress Sensor Using Strain Engineering for Out of Plane Stress Applications
DownloadSpring 2020
This work aims to enhance the performance of a MEMS-based 3D piezoresistive sensor, which has the capability of extracting the six temperature-compensated stress components. That sensor is made of an n-type piezoresistive element that has low pressure/out-of-plane piezoresistive (PR) coefficient,...
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Spring 2013
An alternative method of manipulating fragile MEMS devices during fabrication has been developed. A specialized manual or robotic end effector utilizing a gecko inspired adhesive can replace the slow and costly manual tweezers used by the MEMS foundry Micralyne Inc. Improving the adhesive...
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Spring 2018
As common human computer interfaces(HCIs), touchscreen panels (TSPs) have been ubiquitously adopted in our daily life especially in the consuming electronics, and numerous industrial applications. However, force information has been a missing part in conventional TSPs, drawing limitations in the...
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Theoretical and Experimental Investigation on the Use of Surface Acoustic Wave Sensors for Evaluating the Adhesion of SU-8 Thin Films
DownloadFall 2015
This research investigates the use of a SU-8/AlN/Si SAW sensor for evaluating the adhesion of SU-8 thin films. A theoretical model is developed to plot the wave dispersion profile for the SU-8/AlN/Si configuration. A spring interface model is utilized to represent the SU-8/AlN interface using a...
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Utilization of Semiconductors Piezoresistive Properties in Mechanical Strain Measurements under Varying Temperature Conditions for Structural Health Monitoring Applications
DownloadSpring 2013
Strain gauges have been powerful tools in experimental stress analysis. This importance is expected to continue, even though other means of strain measurement are continually introduced to the market. The strain gauge is a simple device that can be easily installed to measure mechanical strain....