Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Mindert Dijkstra"'
Autor:
H.A.G.M. van Wolferen, R.M. de Ridder, S.V. Pham, Mindert Dijkstra, Hugo Hoekstra, L.J. Kauppinen
Publikováno v:
IEEE photonics technology letters, 23(4), 215-217. IEEE
We present results related to the fabrication of a novel and potentially highly sensitive mechano-optical sensor for hydrogen gas, based on microcantilevers, provided with a selectively gas-absorbing palladium layer, suspended above a ${Si}_{3}{N} _{
Autor:
M.J. de Boer, Michael Curt Elwenspoek, O. Pjetri, Johan W. Berenschot, Remco J. Wiegerink, Mindert Dijkstra, Theodorus S.J. Lammerink
Publikováno v:
Journal of micromechanics and microengineering, 24(5). IOP Publishing Ltd.
A control system using a low-drift power-feedback signal was implemented applying thermal waves, giving a sensor output independent of resistance drift and thermo-electric offset voltages on interface wires. Kelvin-contact sensing and power control i
Miniaturised Prandtl tube with integrated pressure sensors for micro-thruster plume characterisation
Autor:
M.J. de Boer, Mindert Dijkstra, Kechun Ma, Jarno Groenesteijn, Joost Conrad Lötters, Remco J. Wiegerink
Publikováno v:
MIEEE 27th International Conference on Micro Electro Mechanical Systems, MEMS 2014, 999-1002
STARTPAGE=999;ENDPAGE=1002;TITLE=MIEEE 27th International Conference on Micro Electro Mechanical Systems, MEMS 2014
STARTPAGE=999;ENDPAGE=1002;TITLE=MIEEE 27th International Conference on Micro Electro Mechanical Systems, MEMS 2014
A miniaturised Prandtl-tube sensor incorporating a 6 mm long 40 μm diameter microchannel with integrated pressure sensors has been realised. The sensor has been designed for the characterisation of rarefied plume flow from a MEMS-based monopropellan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f6817e644ed0ed1d9db63290a9a6a2e0
https://doi.org/10.1109/memsys.2014.6765812
https://doi.org/10.1109/memsys.2014.6765812
Publikováno v:
Sensors and actuators. A: Physical, 85(1-3), 158-162. Elsevier
The association by aligned direct bonding of an evanescent wave optical sensor and small-volume flow cells for visible absorption detection is demonstrated. We show that for sample volumes ranging from 760 to 190 nl and a sensor interaction length of
Autor:
M.J. de Boer, L.J. Kauppinen, S.M.C. Abdulla, Erwin Berenschot, Gijsbertus J.M. Krijnen, Mindert Dijkstra, R.M. de Ridder
Publikováno v:
Journal of micromechanics and microengineering, 21(12). IOP Publishing Ltd.
This paper presents the fabrication technology for a novel class of photonic devices which integrates silicon 2D photonic crystal (PhC) waveguides and electrostatically actuated microelectromechanical systems. Bimorph cantilevers equipped with tips t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a121d706424444c2f989f2d2ee57bebf
https://research.utwente.nl/en/publications/446ed5a3-4122-486c-aa2d-6f395205e77d
https://research.utwente.nl/en/publications/446ed5a3-4122-486c-aa2d-6f395205e77d
Publikováno v:
Conference on Lasers and Electro-Optics
We report the label-free, sensitive detection of PepN enzyme using a Si3N4 grated waveguide optical cavity covered with an immobilized, selective (antibody) receptor layer. The receptor-enzyme reaction was monitored in real-time.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::25c06d72f019d9507ff2638dd48e0eda
https://research.utwente.nl/en/publications/lablefree-enzyme-sensing-with-a-si3n4-grated-waveguide-optical-cavity(858044b3-4af8-401c-8927-cc213ea25155).html
https://research.utwente.nl/en/publications/lablefree-enzyme-sensing-with-a-si3n4-grated-waveguide-optical-cavity(858044b3-4af8-401c-8927-cc213ea25155).html
Autor:
M.J. de Boer, Johan W. Berenschot, Remco J. Wiegerink, Theodorus S.J. Lammerink, Mindert Dijkstra, Michael Curt Elwenspoek
Publikováno v:
Sensors, 2008 IEEE, 66-69
STARTPAGE=66;ENDPAGE=69;TITLE=Sensors, 2008 IEEE
STARTPAGE=66;ENDPAGE=69;TITLE=Sensors, 2008 IEEE
A thermal flow sensor has been realised consisting of a freely-suspended U-shaped microchannel. The structure is symmetrically heated by a heater at the top of the U-shape. The thermal imbalance caused by liquid flow is sensed by an integrated Al/pol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e6b2f638c92788c1e082651d580efe92
https://doi.org/10.1109/icsens.2008.4716384
https://doi.org/10.1109/icsens.2008.4716384
Autor:
M.J.W. Berenschot, M.J. de Boer, Mindert Dijkstra, Remco J. Wiegerink, Theodorus S.J. Lammerink, Michael Curt Elwenspoek
Publikováno v:
Micro Electro Mechanical Systems, Proceedings IEEE The Twentieth Annual International Conference on, 123-126
STARTPAGE=123;ENDPAGE=126;TITLE=Micro Electro Mechanical Systems, Proceedings IEEE The Twentieth Annual International Conference on
STARTPAGE=123;ENDPAGE=126;TITLE=Micro Electro Mechanical Systems, Proceedings IEEE The Twentieth Annual International Conference on
A calorimetric miniaturized flow sensor was realized with a linear sensor response measured for DI water flow from 40 nl⋅min-1 up to 300 nl⋅min-1. A versatile technological concept is used to realize a sensor with thermally-isolated freely-suspen
Autor:
J.J.J. van Baar, Mindert Dijkstra, W.J. Kuipers, Gijsbertus J.M. Krijnen, J. de Boer, Remco J. Wiegerink, Theodorus S.J. Lammerink
Publikováno v:
Micro Electro Mechanical Systems, 2006. MEMS 2006 Istanbul. 19th IEEE International Conference on, 658-661
STARTPAGE=658;ENDPAGE=661;TITLE=Micro Electro Mechanical Systems, 2006. MEMS 2006 Istanbul. 19th IEEE International Conference on
STARTPAGE=658;ENDPAGE=661;TITLE=Micro Electro Mechanical Systems, 2006. MEMS 2006 Istanbul. 19th IEEE International Conference on
This paper presents bistable microswitches with Au contacts with the aim to combine them with artificial hairs for flow sensing. The Au contacts are applied on both ends of a silicon nitride beam, suspended by a torsional bar at its center. The beam
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2d0121fb771acbe0837deb9a3e9c2fff
https://research.utwente.nl/en/publications/a3e32434-54c5-4b82-a9f7-e1cccf34a01c
https://research.utwente.nl/en/publications/a3e32434-54c5-4b82-a9f7-e1cccf34a01c
Autor:
Gijsbertus J.M. Krijnen, R.M. de Ridder, L.J. Kauppinen, Erwin Berenschot, M.J. de Boer, Mindert Dijkstra, S.M.C. Abdulla
Publikováno v:
Journal of micromechanics and microengineering, 21(7). IOP Publishing Ltd.
A technology to monolithically integrate micro-bimorph cantilevers equipped with tips that are self-aligned with respect to the holes of a 2D photonic crystal cavity-based channel-drop filter is presented. On electrostatic actuation, the tips move in