Browsing Applied Micro- and Nanosystems by Subject "VDP::Teknologi: 500::Nanoteknologi: 630"
Now showing items 1-20 of 24
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Design of a bidirectional front-end for resonating sensors
(Doctoral dissertations at the University College of Southeast Norway;27, Doctoral thesis, 2017)In the last decades, the use of electronic sensors in portable applications became increasingly common. They provide a simple way to study processes, monitor envi-ronment conditions or to provide hazard systems. In order ... -
Die-attach for high-temperature electronics
(Doctoral thesis, 2019)Applications in harsh environments push the boundaries for electronic systems. High temperatures put great stress on electronic components. The die-attach is an enabling component that makes the system work. It needs to ... -
Enhanced Electrochemical CO2 Reduction through Nanostructuring and Light Element Modification
(Doctoral dissertations at the University of South-Eastern Norway;184, Doctoral thesis, 2024)The rising levels of carbon dioxide (CO2) in the atmosphere present a significant challenge to modern society due to its profound impact on the climate. It is therefore crucial to develop and employ carbon-neutral renewable ... -
Environmental microorganisms: microsystem approaches to separation and analysis
(Doctoral dissertations at the University College of Southeast Norway;16, Doctoral thesis, 2017)Three technologies were tested in this PhD project, all of which have potential for use in micro systems for environmental analyses: The Trilobite® technology for particle separation and purification, the analysis technique ... -
Flexible electrochemical sensor platform
(Doctoral dissertations at the University of South-Eastern Norway;54, Doctoral thesis, 2019)Bringing an electroanalytical assay from the laboratory to the level of a commercially or clinically viable product often requires substantial cost, effort and time. While the real value may lie in the assay and sensor ... -
Glucose energy harvester for self-powering of remote distributed bioanalytical microsystems
(Doctoral dissertations at the University of South-Eastern Norway;88, Doctoral thesis, 2021)Implantable medical devices came of age with the artificial pacemaker more than 60 years ago. Their true potential of being located directly where their prosthetic or therapeutic actions are needed will be further enhanced ... -
Heterojunction engineering on TiO2 nanotubes electrodes and their applications
(Doctoral dissertations at the University of South-Eastern Norway;9, Doctoral thesis, 2018)Abstract With the dramatic progress in nanotechnology, TiO2 nanomaterials have shown blooming applications in the field of energy and environment since the discovery of water photolysis on a TiO2 electrode in 1972. In ... -
Hierarchical Black Silicon and Their Applications
(Doctoral dissertations at the University of South-Eastern Norway;116, Doctoral thesis, 2022)Black silicon is expected to be a promising material for photoelectric, photothermic, photocatalytic, and microfluidic applications due to its remarkably anti-reflectivity, anti-bacterial effect, hydrophilicity, and ... -
High-stability piezoresistive pressure sensors
(Doctoral dissertations at the University College of Southeast Norway;25, Doctoral thesis, 2017)Piezoresistive pressure sensors have been in use for decades and are among the most successful micromachined sensors. From their introduction in the 1960s, they have experienced a dramatic improvement on performance and ... -
Improved packaging techniques for LWIR microbolometers
(Doctoral dissertations at the University of South-Eastern Norway;164, Doctoral thesis, 2023)A new generation of Infrared (IR) camera sensors, based on MicroBolometer Arrays (MBA) has been developed. This technology is lower cost and has no need for active cooling, unlike the previous generation. It, therefore, ... -
Interdigital-Electrode Thin-Film Piezoelectric Microactuators
(Doctoral dissertations at the University College of Southeast Norway;29, Doctoral thesis, 2018-01)Along with microsensors, microactuators are the most important components of microelectromechanical systems. Many microactuators use piezoelectric coupling mechanisms because they allow these actuators to generate high ... -
Layer-specific strain and strain rate : Estimation using miniature transducers attached to the epicardium
(Doctoral dissertations at the University of South-Eastern Norway;68, Doctoral thesis, 2020)Reliable methods to asses ventricular function during and after cardiac surgery are essential tools to evaluate patient prognosis. We presented an ultrasound system to monitor cardiac motion using miniature transducers ... -
Local Synthesis and Direct Integration of Carbon Nanotubes into Microsystems for Sensor Applications
(Doctoral theses at Buskerud and Vestfold University College;1, Doctoral thesis, 2014)Carbon nanotubes (CNTs) have been intensively studied since their discovery more than two decades ago. A lot of research has exploited their extraordinary properties and various applications, meanwhile, revealed the ... -
Local Synthesis of Carbon Nanotubes on CMOS-MEMS Microheaters for Sensing Applications
(Doctoral dissertations at the University of South-Eastern Norway;84, Doctoral thesis, 2020)Research on nanomaterials is growing rapidly due to their extraordinary properties, which can significantly differ from their bulk form. The physicochemical properties of nanoscale materials are diverse and can be engineered ... -
Micro and Nano Technologies for Unmanned Nano Air Vehicles (NAVs)
(Doctoral theses at Buskerud and Vestfold University College;2, Doctoral thesis, 2014)Nano Air Vehicles (NAVs) consist of remotely controlled miniaturized flying objects with maximum dimensions smaller than 15 cm and less than 20 g in weight. The small size of such systems allows them to penetrate and ... -
Novel encapsulation of a medical ultrasound probe
(Doctoral dissertations at the University of South-Eastern Norway;182, Doctoral thesis, 2024)Ultrasound imaging plays an important role in the diagnosis of cardiovascular diseases. A trans-esophageal echocardiography (TEE) probe uses ultrasound waves to image the heart in real time in three dimensions (3D) from ... -
Optically operated pulse-driven Josephson junction arrays and range extension using voltage dividers and buffer amplifiers
(Doctoral dissertations at the University of South-Eastern Norway;52, Doctoral thesis, 2019)Voltage dividers and buffer amplifier combinations can be used to transfer and extend traceability in voltage and electrical power metrology between a wide range of instruments. For voltages up to 1000 V, resistive voltage ... -
Perovskite Solar Cells : Improved Active layer Morphology and Pore-filling in TiO2 Nano-Scaffolds
(Doctoral dissertations at the University College of Southeast Norway;34, Doctoral thesis, 2018)Organometallic halide perovskite solar cells (PSCs) have recently shown tremendous research interest due to their remarkable photovoltaic (PV) performance reaching up to 22% power conversion efficiency in merely five years ... -
Preparation of novel metal oxides/hydroxides materials and their applications in supercapacitors
(Doctoral dissertations at the University of South-Eastern Norway;89, Doctoral thesis, 2021)Supercapacitors, as next-generation efficient, safe and clean energy storage devices with superior power density, fast charge/discharge rate, excellent temperature adaptability and remarkable service life, significantly ... -
Reliable Packaging and Development of Photodiode Module for Operation at 4 K
(Doctoral dissertations at the University of South-Eastern Norway;5, Doctoral thesis, 2018)AC voltage standards based on pulse-driven Josephson junction arrays, operated at 4 K, enable quantum-accurate generation of arbitrary voltage waveforms. These devices are operated by biasing the arrays with high-frequency ...