Browsing Master of Micro and Nano Systems Technology by Issue Date
Now showing items 1-20 of 36
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Capacitive micromachined ultrasonic transducers
(Master thesis, 2007)Ultrasound technology is a powerful tool in medical diagnosis. While piezoelectric ultrasonic transducers are dominant on the marked at present, capacitive transducers cMUT- are being explored as a complementary technology. ... -
Force/deflection measurements on micromechanical structures
(Master thesis, 2007)Material properties of typical MEMS materials have been widely tested. Properties of MEMS structures also depend on other factors than the material properties. A measurement system has been made to measure force/deflection ... -
Investigating quantization errors and their influence on capability of MEMS products : case study: heavy vehicle TPM (Tyre Pressure Monitoring) sensor
(Master thesis, 2008)The motivation for this thesis has been to clarify the signi_cance of quantization errors in MEMS (Micro Electro-Mechanical System) products and to see how they combine with normal distribution errors. As a case study, an ... -
Thermoelastic influence on the performance of film bulk acoustic wave resonators
(Master thesis, 2009)Film Bulk Acoustic wave Resonators (FBAR’s) are a promising new technology for high performance resonators in the GHz-range. FBAR’s can provide higher Q-factors and higher coupling efficency than the typical high performance ... -
Speckle characteristics of laser diodes
(Master thesis, 2013)Laser, as the illumination source in the projector, has an intrinsic problem for high quality image. The speckle noise caused by laser coherence masks the details when the image projected on the screen. Therefore, to ... -
Carbonization of SU-8 Based Electrode for MEMS Supercapacitors
(Master thesis, 2014)Supercapacitors are more sustainable and environmentally friendly energy sources than traditional ones. To achieve the supercapacitors with both energy density and power density that mainly depend on the effective surface ... -
Design of high Q thin film bulk acoustic wave resonator for filter applications
(Master thesis, 2014)The inevitable propagation of Lamb waves in a traditional Thin Film Bulk Acoustic Wave Resonator (FBAR) leads to the lateral leakage of energy from the active region of the device, and consequently corresponds to a degradation ... -
Ultrasound Transmit-Receive Electronics: Study and Upgrade
(Master thesis, 2014)The ultrasonic investigation using transmission of ultrasounds and receiving of the back-scattered echoes is a recognized measurement technology since from the decades. One of the heavy and bulky instrumentation parts in ... -
Optimal Design and Fabrication of the Polymer-based Microneedle for Improved Collection of Whole Blood
(Master thesis, 2014)The main purpose of this thesis is to develop a blood-sampling device for extracting whole blood from patient’s fingers. Polymer-based microneedles array has been chosen and developed. Despite that the concept of microneedle ... -
Power Conversion Circuitry for Electrostatic Energy Harvester
(Master thesis, 2014)Energy harvesting is a potential approach to power autonomous wireless sensor systems and electronic circuits. It can potentially replace batteries, reduce the required size of batteries or even make sensors possible where ... -
Ultra-low power electronics for energy harvesting node
(Master thesis, 2015)There face challenges to build power management circuit for microscale electrostatic vibration energy harvesting. Small capacitance variation limited by standard fabrication process is a common obstacle to obtain sufficient ... -
Investigations of paper-based lab-on-chips for on-diaper point-of-care screening of urinary tract infections
(Master thesis, 2015)UTIs are common infection diseases in the hospitals, especially in the elderly. Detecting UTIs in the elderly is a difficult and time-consuming procedure. Sampling and detection on a diaper could be the solution. Sampling ... -
Development of miniaturized pH sensor based on the pH-sensitive hydrogel HEMA-co-AA
(Master thesis, 2015)The hydrogel biosensor is one of promising BIOMEMS (Biomedical Microelectromechanical system) devices with vast of applications in biomedical field. This project aims to develop a pH biosensor based on pH responsive hydrogels ... -
Interconnection Technology based on combination of Isotropic Conductive Adhesive filled by Metal-Coated Polymer Spheres with Compliant Ball Greed Array
(Master thesis, 2015)Interconnection technology based on combination of isotropic conductive adhesives (I CA) filled by metal – coated polymer spheres (MPS) with Compliant- Ball Grid Array (C- BGA) has been introduced and discussed as an ... -
A comparative study on the performances of different propeller designs
(Master thesis, 2016)The designed propellers with extinguishing structures of hub and winglets show great potential in saving energy by providing the strong thrust with a rotating speed. The dynamic performances are relying on the combination ... -
Solid-state electrolyte for supercapacitors
(Master thesis, 2016)Renewable energy has become a primary focus for scientific community since last decade. Great interesting investigations and creative works have been carried out to develop technology for powering our society, including ... -
Fabrication and Properties of 1-Dimensional TiO2 and ZnO Nanocomposites Prepared by Hydrothermal Method
(Master thesis, 2016)The necessary of renewable energies as the replacement for fossil fuel such as fuel gas from CO2 or hydrogen from photoelectrochemical water splitting process are feasible by using semiconductors as photocatalysts. Among ... -
Supercapacitor based on porous structure of AAO template
(Master thesis, 2016)As a kind of energy storage devices, supercapacitor has a broad application prospect in using renewable energy, powering electric vehicles, enabling portable equipment, and cordless powering internet of thing. This thesis ... -
Characterization of Acoustic Material Properties Using Broadband Through-Transmission Technique
(Master thesis, 2016)Acoustic properties of materials such as velocity and attenuation are important properties in many ultrasonic applications, i.e. non-destructive evaluation and ultrasound tissue characterization. When designing acoustic ... -
Investigation of Element Variations in Ultrasound Transducer Arrays by Electrical Impedance Measurements
(Master thesis, 2016)The use of ultrasonic transducer array for medical applications has experienced a revolution in recent years. An ultrasonic transducer array is a transducer that contains a number of individually connected elements. ...