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Jo Gjessing

Research Scientist

Jo Gjessing

Research Scientist

Jo Gjessing
Phone: 900 37 638
Email:
Unit: SINTEF Digital
Department: Microsystems and Nanotechnology
Office: Oslo
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Publications and responsibilities

Publication

Breakdown mechanisms and passivation of piezoelectric micro-mirrors

https://www.sintef.no/en/publications/publication/?pubid=CRIStin+1660782

Lead Zirconate Titanate (Pb(Zrx,Ti1−x )O3) is, due to its high piezoresponse, widely used in piezoelectric Micro Electro Mechanical Systems (piezoMEMS) such as accelerometers, gyroscopes and actuators. However, since PZT is highly sensitive to humidity, devices tend to suffer severe degradation when...

Authors Dahl-Hansen Runar Plunnecke Tyholdt Frode Bakke Thor Gjessing Jo Vedum Jon Tybell Thomas
Year 2018
Type Conference lecture and academic presentation
Publication

On the dynamics of a degrading piezoelectric micromirror operated in harsh environments

https://www.sintef.no/en/publications/publication/?pubid=CRIStin+1631229

Bimorphly actuated piezoelectric thin films offer an efficient low-power route for generating microelectromechanical motion compared to e.g. electrostatic or thermo-mechanical actuation principles [1]. This is since a large effective in-plane stress can be generated by applying relatively low voltag...

Authors Dahl-Hansen Runar Plunnecke Dirdal Christopher Andrew Gjessing Jo Tyholdt Frode Tybell Thomas
Year 2018
Type Conference lecture and academic presentation
Publication

Miniature, low-cost, 200 mW, infrared thermal emitter sealed by wafer-level bonding

https://www.sintef.no/en/publications/publication/?pubid=CRIStin+1454849

Infrared (IR) thermal emitters are widely used in monitoring applications. For autonomous systems, miniaturized devices with low power consumption are needed. We have designed, fabricated and tested a novel device design, packaged on the wafer level by Al-Al thermo-compression bonding. 80 μm wide Al...

Authors Schjølberg-Henriksen Kari Gjessing Jo Bakke Kari Anne Hestnes Hadzialic Sanja Wang Dag Thorstein
Year 2017
Type Part of a book/report
Publication

Design and Simulation of Efficient Narrowband Thermal Emitter with 3 µm wavelength

https://www.sintef.no/en/publications/publication/?pubid=CRIStin+1473120

A low-power infrared source based on a silicon photonic-crystal membrane has been designed. Temperature distribution and reflection spectrum has been simulated. Large narrowband IR absorption is obtained with optimal material doping....

Authors Grepstad Jon Olav Gjessing Jo Angelskår Hallvard Skokic Zeljko Bakke Thor Herbjørnrød Aina Kristin Sudbø Aasmund
Year 2016
Type Conference lecture and academic presentation
Publication

Design and simulation of efficient narrowband thermal emitter with 3 μm wavelength

https://www.sintef.no/en/publications/publication/?pubid=CRIStin+1456583

A low-power infrared source based on a silicon photonic-crystal membrane has been designed. Temperature distribution and reflection spectrum has been simulated. Large narrowband IR absorption is obtained with optimal material doping...

Authors Grepstad Jon Olav Gjessing Jo Angelskår Hallvard Skokic Zeljko Bakke Thor Sudbø Aasmund
Year 2016
Type Part of a book/report
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