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Dennis Hohlfeld
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Vibration energy harvesting with aluminum nitride-based piezoelectric devices
R Elfrink, TM Kamel, M Goedbloed, S Matova, D Hohlfeld, Y Van Andel, ...
Journal of Micromechanics and Microengineering 19 (9), 094005, 2009
5762009
Vacuum-packaged piezoelectric vibration energy harvesters: damping contributions and autonomy for a wireless sensor system
R Elfrink, M Renaud, TM Kamel, C De Nooijer, M Jambunathan, ...
Journal of Micromechanics and Microengineering 20 (10), 104001, 2010
1742010
Modeling and characterization of MEMS-based piezoelectric harvesting devices
TM Kamel, R Elfrink, M Renaud, D Hohlfeld, M Goedbloed, C De Nooijer, ...
Journal of Micromechanics and Microengineering 20 (10), 105023, 2010
892010
An all-dielectric tunable optical filter based on the thermo-optic effect
D Hohlfeld, H Zappe
Journal of optics A: Pure and applied Optics 6 (6), 504, 2004
842004
A thermally tunable, silicon-based optical filter
D Hohlfeld, M Epmeier, H Zappe
Sensors and Actuators A: Physical 103 (1-2), 93-99, 2003
662003
Microstructure with enlarged mass and electrode area for kinetic to electrical energy conversion
D Hohlfeld, M Goedbloed
US Patent 7,880,246, 2011
652011
Microstructure with enlarged mass and electrode area for kinetic to electrical energy conversion
D Hohlfeld, M Goedbloed
US Patent 7,880,246, 2011
652011
Microstructure with enlarged mass and electrode area for kinetic to electrical energy conversion
M Goedbloed, D Hohlfeld
EP Patent 2,066,015, 2009
65*2009
First autonomous wireless sensor node powered by a vacuum-packaged piezoelectric MEMS energy harvester
R Elfrink, V Pop, D Hohlfeld, TM Kamel, S Matova, C De Nooijer, ...
2009 IEEE International Electron Devices Meeting (IEDM), 1-4, 2009
542009
System and method for resonance frequency tuning of resonant devices
K Karakaya, D Hohlfeld
US Patent 8,154,176, 2012
452012
System and method for resonance frequency tuning of resonant devices
K Karakaya, D Hohlfeld
US Patent 8,154,176, 2012
452012
System and method for resonance frequency tuning of resonant devices
K Karakaya, D Hohlfeld
EP Patent 2,109,217, 2009
452009
System and Method for Resonance Frequency Tuning of Resonant Devices
K Karakaya, D Hohlfeld
US Patent App. 12/420,045, 2009
452009
Magnetic Frequency Tuning of a Multimodal Vibration Energy Harvester
S Bouhedma, Y Zheng, F Lange, D Hohlfeld
Sensors 19 (5), 1149, 2019
372019
Fabrication of gap-optimized CMUT
O Ahrens, A Buhrdorf, D Hohlfeld, L Tebje, J Binder
IEEE transactions on ultrasonics, ferroelectrics, and frequency control 49 …, 2002
372002
Computationally efficient and stable order reduction methods for a large-scale model of MEMS piezoelectric energy harvester
M Kudryavtsev, EB Rudnyi, JG Korvink, D Hohlfeld, T Bechtold
Microelectronics Reliability 55 (5), 747-757, 2015
362015
Efficient extraction of thin-film thermal parameters from numerical models via parametric model order reduction
T Bechtold, D Hohlfeld, EB Rudnyi, M Günther
Journal of Micromechanics and Microengineering 20 (4), 045030, 2010
352010
Towards efficient design optimization of a miniaturized thermoelectric generator for electrically active implants via model order reduction and submodeling technique
C Yuan, S Kreß, G Sadashivaiah, EB Rudnyi, D Hohlfeld, T Bechtold
International Journal for Numerical Methods in Biomedical Engineering 36 (4 …, 2020
292020
Harvesting mechanical energy for ambient intelligent devices
B Op het Veld, D Hohlfeld, V Pop
Information Systems Frontiers 11 (1), 7-18, 2009
262009
Electromagnetic Energy Scavenger Based on Moving Permanent Magnets
D Hohlfeld, R Vullers
US Patent App. 12/665,874, 2010
252010
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