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Browsing Electrical, Electronic and Computer Engineering by UP Author

Browsing Electrical, Electronic and Computer Engineering by UP Author "Schoeman, J.J. (Jakob Johannes)"

Now showing items 1-5 of 5

An analytic model employing an elliptical surface area to determine the gaseous thermal conductance of uncooled VOx microbolometers

Schoeman, J.J. (Jakob Johannes); Du Plessis, Monuko (Elsevier, 2016-10)

This work presents a detailed overview ofthe analytic methods for calculating the beam and gaseous thermal conductance components associated with uncooled VOx microbolometers. The conventional method to calculate the ...
Characterisation of the electrical response of a novel dual element thermistor for low frequency applications

Schoeman, J.J. (Jakob Johannes); Du Plessis, Monuko (South African Institute of Electrical Engineers, 2012-03)

This work is aimed at characterising the DC electrical response of a temperature sensitive microbolometer device. The contribution lies with the choice and the structure of the device, a novel bolometer infrared sensing ...
Electro-thermal properties of integrated circuit microbolometers

Du Plessis, Monuko; Schoeman, J.J. (Jakob Johannes); Maclean, W.; Schutte, C. (South African Institute of Electrical Engineers, 2011-06)

The use of uncooled infrared sensors in thermal imaging is a fast growing market in the fields of security and health. The integration of uncooled or room temperature infrared sensors onto a silicon CMOS chip will ...
Optimisation of CMOS compatible microbolometer device performance

Maclean, W.; Du Plessis, M.; Schoeman, J.J. (Jakob Johannes) (South African Institute of Electrical Engineers, 2012-03)

Uncooled IR (infrared) microbolometer performance is greatly affected by the thermal properties associated with the structural layout of each design. Equations are derived in this article which make use of basic structural ...
A two-port electrothermal model for suspended MEMS device structures with multiple inputs

Schoeman, J.J. (Jakob Johannes); Du Plessis, Monuko (Copernicus Publications, 2019-10-09)

Advances in micromachining have led to the development of microelectromechanical systems (MEMS) devices with suspended structures used in a variety of sensors. Of note for this work are sensor types where two elements ...

Now showing items 1-5 of 5

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Browsing Electrical, Electronic and Computer Engineering by UP Author "Schoeman, J.J. (Jakob Johannes)"

Browsing Electrical, Electronic and Computer Engineering by UP Author "Schoeman, J.J. (Jakob Johannes)"

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