Browsing Applied Micro- and Nanosystems by Title
Now showing items 12-31 of 46
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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 ... -
Heat generation in underwater transducers
(Doctoral dissertations at the University of South-Eastern Norway;38, Doctoral thesis, 2019)Acoustic transducers are used for a variety of applications, ranging from medical to maritime uses. In the maritime sector, underwater transducers can be used for appli- cations such as seabed mapping, fishing and ... -
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-Q bulk acoustic wave resonators for RF filter applications
(Doctoral dissertations at the University of South-Eastern Norway;24, Doctoral thesis, 2019)This thesis proposes a novel design method for optimizing bulk acoustic wave (BAW) resonators, including film bulk acoustic resonators (FBAR) and solidly mounted res-onators (SMR). The purpose is to enhance their quality ... -
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 ... -
Impact of single crystal properties on underwater transducer designs
(Doctoral dissertations at the University of South-Eastern Norway;154, Doctoral thesis, 2023)The ongoing robotic revolution in oceanic science puts new requirements on underwater transducers. Small platforms require compact multi-purpose transducers, and there is limited space available for the electronics. ... -
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, ... -
Inductive impedance matching network for Magnetic Resonant Wireless Power Transmission
(Doctoral dissertations at the University of South-Eastern Norway;152, Doctoral thesis, 2023)Inductive wireless power transfer is getting more and more attention as the demand for mobile electronic devices grows. There are already well-functioning wireless charging systems for smartphones, tablets, and electric ... -
Integratable opto-microfluidic devices for sensitive detection of bio-analytes
(Doctoral Theses at Buskerud and Vestfold University College;3, Doctoral thesis, 2014)The expensive fabrication of current optical microfluidic devices is a barrier to the successful implementation of these devices in low-cost, high-sensitivity biosensing systems. Organic photodiodes (OPDs) have great ... -
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 ... -
Low Power Circuits and Architectures for Wireless Sensor Networks
(Doctoral dissertations at the University of South-Eastern Norway;166, Doctoral thesis, 2023)Wireless sensor networks (WSNs), due to their multidisciplinary applications, represent one of the main enabling technologies of the Internet-of-Things paradigm. These networks, consisting of sensor nodes characterized by ... -
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 ... -
Miniaturization of Circuit Packaging of an Accelerometer Heart Monitoring Device
(Doctoral dissertations at the University College of Southeast Norway;7, Doctoral thesis, 2016)Continuous monitoring heart activity based on implantable accelerometer devices have been demonstrated as efficient method that could provide higher sensitivity and specificity than the conventional electrocardiography ... -
Modeling and design of piezoelectrically actuated MEMS tunable lenses
(Doctoral dissertations at the University of South-Eastern Norway;76, Doctoral thesis, 2020)Autofocus is a crucial feature in cameras, especially when photographing objects at different distances and having them in sharp focus without any quality loss in the captured image. Over the last decade, several research ... -
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 ...