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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Mendes, P. M.
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Topics
Publications (18/18 displayed)
- 2023A Multifunctional Cementitious Composite for Pavement Subgrade
- 2022A novel approach for micro-antenna fabrication on ZrO2 substrate assisted by laser printing for smart implantscitations
- 2014Piezoelectric actuators for acoustic mixing in microfluidic devices - Numerical prediction and experimental validation of heat and mass transportcitations
- 2014Polymer-based acoustic streaming for improving mixing and reaction times in microfluidic applicationscitations
- 2012Development of a piezoelectric transducers system to improve mixing of fluids
- 2011Large area microfabrication of electroactive polymeric structures based on near-field electrospinningcitations
- 2011A low-power/low-voltage CMOS wireless interface at 5.7 GHz with dry electrodes for cognitive networkscitations
- 2010Hydrogel-based photonic sensor for a biopotential wearable recording systemcitations
- 2009Wearable brain cap with contactless electroencephalogram measurement for brain-computer interface applicationscitations
- 2009Manufacturing technology for flexible optical sensing foilscitations
- 2007Reconfigurable on-chip folded-patch antenna using tunable electroactive materialscitations
- 2007Study on pulsed DC-sputtering of iridium oxide for implantable electrodes
- 2006Integrated chip-size antennas for wireless microsystems : fabrication and design Considerationscitations
- 2004Wafer-level packaging fo RF applications : using high resistivity polycrystalline silicon substrate technology
- 2003Integrated chip-size antenna for wireless microsystems : fabrication and design considerations
- 2003Extraction of glass-wafers electrical properties based on S-parameters measurements of coplanar waveguides
- 2003Folded-patch chip-size antennas for wireless microsystems using wafer-level chip-scale packaging
- 2003Processability and electrical characteristics of glass substrates for RF wafer-level chip-scale packages
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article
A novel approach for micro-antenna fabrication on ZrO2 substrate assisted by laser printing for smart implants
Abstract
The use of Yttria-stabilized tetragonal zirconia polycrystals (Y-TZP) in medicine has rapidly expanded over the past decade, driven by its advantageous properties, showing potential to overcome titanium alloy in implant fabrication. The release of metal ions and the aesthetic problems of titanium alloy implants are the main reasons for this trend. In addition to meeting expectations regarding its properties, an implant must possess intrinsic capacities such as auto-diagnostic and auto-treatment. Thus, based on the concept of smart implants, this work proposes a hybrid approach for printing a part of the communication system of a zirconia implant by resorting to laser technology, aiming to endow the implant with intrinsic capacities. Therefore, the antenna was designed and then printed on the zirconia surface. The laser was applied as a versatile tool, whether for preparing the surface of the material in a subtractive way, by creating the micro-cavity, or for printing the silver-based antenna in an additive way through laser technology. The silver powder was used as the conductor material of the antenna. The results revealed that the antenna is capable of communicating from inside the body with the outside world without needing to have an exterior antenna attached to the skin. ; This work has been supported by the FCT (Fundação para a Ciência e Tecnologia -Portugal) in the scope of the projects UID/EEA/04436/2019; Magsense_POCI-01-0247-FEDER-033783, Add.Additive_Manufacturing to Portuguese Industry_POCI-01-0247-FEDER-024533, grant SFRH/BD/ 116554/2016 and the CNPq (Conselho Nacional de Desenvolvimento Científico e Tecnológico) for the grant 205791/2014-0