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138 Publications
2018 | Conference Paper | LibreCat-ID: 9992
Dymel, Collin, Paul Eichwald, Reinhard Schemmel, Tobias Hemsel, Michael Brökelmann, Matthias Hunstig, and Walter Sextro. “Numerical and Statistical Investigation of Weld Formation in a Novel Two-Dimensional Copper-Copper Bonding Process.” In (Proceedings of 7th Electronics System-Integration Technology Conference, Dresden, Germany), 1–6, 2018.
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2018 | Conference Paper | LibreCat-ID: 9993
Dymel, Collin, Reinhard Schemmel, Tobias Hemsel, Walter Sextro, Michael Brökelmann, and Matthias Hunstig. “Experimental Investigations on the Impact of Bond Process Parameters in Two-Dimensional Ultrasonic Copper Bonding.” In (Proceedings of 8th Electronics IEEE CPMT Symposium Japan (ICSJ 2018), Kyoto, Japan), 41–44, 2018.
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2018 | Conference Paper | LibreCat-ID: 9998
Schemmel, Reinhard, Tobias Hemsel, and Walter Sextro. “Numerical and Experimental Investigations in Ultrasonic Heavy Wire Bonding.” In 6th European Conference on Computational Mechanics (ECCM 6), 1–12. Glasgow, UK, 2018.
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2017 | Journal Article | LibreCat-ID: 9972
Dunst, Paul, Tobias Hemsel, and Walter Sextro. “Analysis of Pipe Vibration in an Ultrasonic Powder Transportationsystem.” Elsevier Sensors and Actuators A 263 (2017): 733–36.
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2017 | Conference Paper | LibreCat-ID: 9978
Kimotho, James Kuria, Walter Sextro, and Tobias Hemsel. “Estimation of Remaining Useful Lifetime of Piezoelectric Transducers Based on Self-Sensing.” In IEEE Transactions on Reliability, 1–10, 2017. https://doi.org/10.1109/TR.2017.2710260.
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2017 | Conference Paper | LibreCat-ID: 9982
Schemmel, Reinhard, Tobias Hemsel, and Walter Sextro. “MoRFUS: Mobile Reinigungseinheit Für Förderketten Basierend Auf Ultraschall.” In 43. Deutsche Jahrestagung Für Akustik, 611–14. Kiel 2017, 2017.
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2016 | Conference Paper | LibreCat-ID: 9958
Dunst, Paul, Walter Sextro, Peter Bornmann, Tobias Hemsel, and Walter Littmann. “Transportation of Dry Fine Powders by Coordinated Friction Manipulation.” In PAMM Proc. Appl. Math. Mech. 16, 635–36. Braunschweig, 2016. https://doi.org/10.1002/pamm.201610306.
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2015 | Journal Article | LibreCat-ID: 9944
Bornmann, Peter, Tobias Hemsel, Walter Sextro, Gianluca Memoli, Mark Hodnett, and Bajram Zeqiri. “Kavitationsdetektion Mittels Self-Sensing-Ultraschallwandler.” Tm - Technisches Messen 82, no. 2 (2015): 73–84. https://doi.org/10.1515/teme-2015-0017.
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2015 | Journal Article | LibreCat-ID: 9948
Kudo, Ryo, Peter Bornmann, Tobias Hemsel, and Takeshi Morita. “Thick KNbO 3 Films Deposited by Ultrasonic-Assisted Hydrothermal Method.” Acoustical Science and Technology 36, no. 3 (2015): 262–64. https://doi.org/10.1250/ast.36.262.
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2014 | Conference Paper | LibreCat-ID: 9868
Althoff, Simon, Jan Neuhaus, Tobias Hemsel, and Walter Sextro. “Improving the Bond Quality of Copper Wire Bonds Using a Friction Model Approach.” In Electronic Components and Technology Conference (ECTC), 2014 IEEE 64th, 1549–55, 2014. https://doi.org/10.1109/ECTC.2014.6897500.
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2014 | Conference Paper | LibreCat-ID: 9869
Bornmann, Peter, Tobias Hemsel, Walter Sextro, Gianluca Memoli, Mark Hodnett, and Bajram Zeqiri. “Self-Sensing Ultrasound Transducer for Cavitation Detection.” In 2014 IEEE International Ultrasonics Symposium Proceedings, 663–66, 2014. https://doi.org/10.1109/ULTSYM.2014.0163.
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2014 | Journal Article | LibreCat-ID: 9874
Hemsel, Tobias, Peter Bornmann, Takeshi Morita, Christoph Sondermann-Wölke, and Walter Sextro. “Reliability Analysis of Ultrasonic Power Transducers.” Archive of Applied Mechanics, 2014, 1–7. https://doi.org/10.1007/s00419-014-0965-4.
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2014 | Journal Article | LibreCat-ID: 9876
Hunstig, Matthias, Tobias Hemsel, and Walter Sextro. “High-Velocity Operation of Piezoelectric Inertia Motors: Experimental Validation.” Archive of Applied Mechanics, 2014, 1–9. https://doi.org/10.1007/s00419-014-0940-0.
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2014 | Journal Article | LibreCat-ID: 9878
Isobe, G., Takafumi Maeda, Peter Bornmann, Tobias Hemsel, and Takeshi Morita. “Synthesis of Lead-Free Piezoelectric Powders by Ultrasonic-Assisted Hydrothermal Method and Properties of Sintered (K0.48Na0.52)NBO3 Ceramics.” Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions On 61, no. 2 (2014): 225–30. https://doi.org/10.1109/TUFFC.2014.6722608.
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2013 | Journal Article | LibreCat-ID: 9794
Al-Ashtari, Waleed, Matthias Hunstig, Tobias Hemsel, and Walter Sextro. “Increasing the Power of Piezoelectric Energy Harvesters by Magnetic Stiffening.” Journal of Intelligent Material Systems and Structures 24, no. 11 (2013): 1332–42. https://doi.org/10.1177/1045389X13483021.
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| DOI
2013 | Journal Article | LibreCat-ID: 9795
Al-Ashtari, Waleed, Matthias Hunstig, Tobias Hemsel, and Walter Sextro. “Enhanced Energy Harvesting Using Multiple Piezoelectric Elements: Theory and Experiments.” Sensors and Actuators A: Physical 200 (2013): 138–46. https://doi.org/10.1016/j.sna.2013.01.008.
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| DOI
2013 | Conference Paper | LibreCat-ID: 9796
Al-Ashtari, Waleed, Matthias Hunstig, Tobias Hemsel, and Walter Sextro. “Characteristics of Piezoelectric Energy Harvesters in Autonomous Systems.” In Proceedings of 10th International Workshop on Piezoelectric Materials and Applications and 8th Energy Harvesting Workshop, Hannover, Germany, 14.-17.7.2013, 159–61. Berichte Aus Dem IDS. Hannover, Germany, 2013.
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2013 | Conference Paper | LibreCat-ID: 9797
Althoff, Simon, Jan Neuhaus, Tobias Hemsel, and Walter Sextro. “A Friction Based Approach for Modeling Wire Bonding.” In IMAPS 2013, 46th International Symposium on Microelectronics. Orlando (Florida), USA, 2013. https://doi.org/10.4071/isom-2013-TA67.
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2013 | Conference Paper | LibreCat-ID: 9801
Hunstig, Matthias, Waleed Al-Ashtari, Tobias Hemsel, and Walter Sextro. “Leistungs- Und Bandbreitensteigerung von Energy-Harvesting-Generatoren Für Energieautarke Systeme.” In 9. Paderborner Workshop Entwurf Mechatronischer Systeme, edited by Jürgen Gausemeier, Roman Dumitrescu, Franz Rammig, Wilhelm Schäfer, and Ansgar Trächtler, 359–72. HNI-Verlagsschriftenreihe. Paderborn: Heinz Nixdorf Institut, Universität Paderborn, 2013.
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2013 | Conference Paper | LibreCat-ID: 9802
Hunstig, Matthias, Tobias Hemsel, and Walter Sextro. “High-Velocity Slip-Slip Operation of Piezoelectric Inertia Motors - Experimental Validation.” In Proceedings of 10th International Workshop on Piezoelectric Materials and Applications and 8th Energy Harvesting Workshop, 16–18. Hannover, Germany, 2013.
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