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Skip to Search Results- 1Asad, Asad
- 1Azmayesh-Fard, Seyed M.
- 1Bezuidenhout, Louis Wentzel
- 1Brausen, Henry A
- 1Degenstein, Lauren M.
- 1Dolez, Patricia I.
- 3Moussa, Walied (Mechanical Engineering)
- 1Amirfazli, Alidad (Department of Mechanical Engineering, York University)
- 1Backhouse, Chris (Department of Electrical and Computer Engineering, University of Waterloo)
- 1Backhouse, Christopher (Electrical and Computer Engineering)
- 1Brett, Michael J. (Electrical and Computer Engineering)
- 1Daneshmand, Mojgan (Electrical and Computer Engineering)
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Smart Textiles for Visible and IR Camouflage Application: State-of-the-Art and Microfabrication Path Forward
Download2021-06-30
Degenstein, Lauren M., Sameoto, Dan, Hogan, James D., Asad, Asad, Dolez, Patricia I.
Protective textiles used for military applications must fulfill a variety of functional requirements, including durability, resistance to environmental conditions and ballistic threats, all while being comfortable and lightweight. In addition, these textiles must provide camouflage and...
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Development of MEMS-based Piezoresistive Three Dimensional Stress/Strain Sensor with Temperature Compensation
DownloadSpring 2020
In this research, a developed n-type piezoresistive three dimensional (3D) stress sensor with full temperature compensation is presented. The proposed sensing rosette benefits from the stress insensitivity of the full-circular n-type piezoresistor, oriented over (111) silicon plane, to detect...
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Large-Scale Multi-Frequency Capacitive Micromachined Ultrasonic Transducer (CMUT) Arrays for Ultrasound Medical Imaging and Therapeutic Applications
DownloadSpring 2020
Ultrasonic transducers capable of operating over multiple frequency bands could have several interesting medical applications including multi-resolution multi-depth imaging for point-of-care ultrasound, imaging-therapy, super-harmonic contrast agent imaging, super-resolution imaging, image-guided...
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Miniaturization of Microwave to Millimeter-Wave Integrated Waveguides and their Applications
DownloadFall 2019
The integration of waveguide technology at the planar level has been a crucial development for the successful realization of 5G, the future fifth generation cellular network. The demand for mobile networks with faster speeds, lower latencies, and denser connectivity scenarios continues to drive...
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Fall 2017
We present a platform for research into nanomaterial-enhanced gas sensing using magnetomotive MEMS resonators. A microfabrication process fl ow is developed and carried out to create metallized silicon MEMS resonators. In tandem, a test system based around a balanced electronic bridge is...
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Fall 2017
Capacitive micromachined ultrasound transducers (CMUTs) are a promising replacement technology for piezoelectric composite transducers, as they offer a more flexible architecture, wider signal bandwidth, and improved impedance matching between the sensor and the sensing medium. While CMUTs have...
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The Further Development of Fringe Electric Field Theory for the Design of a Vertical Comb Drive to be used as a Force-Compensation Mechanism in an Interfacial Force Microscope
DownloadSpring 2015
The overall objective of the research presented here is to begin the design of a comb drive that is to be used as a force-compensation mechanism in an interfacial force microscope. More specifically, the objective of this research is to choose the type of comb drive that has the most potential...
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Spring 2014
Lab-on-chip systems will be a major component in the future of health care. These technologies enable point-of-care testing by miniaturizing and improving the efficiency of many diagnostic techniques. Possible applications include the detection of various pathogens using genetic amplification...
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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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Toward Direct Thermal-to-Electric Conversion: On-chip Microreactors for Catalytic Combustion of Methanol-Air Mixture
DownloadFall 2014
In this thesis, on-chip microreactors for catalytic combustion of methanol-air mixture were designed, fabricated and characterized. Using standard optical lithography, deep reactive-ion etching (DRIE) and other fabrication techniques, microreactors with integrated micropillars having four...