Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Guilherme Brondani Torri"'
Publikováno v:
Micromachines, Vol 14, Iss 7, p 1355 (2023)
As smart structures are becoming increasingly ubiquitous in our daily life, the need for efficient modeling electromechanical coupling devices is also rapidly advancing. Smart structures are often made of piezoelectric materials such as lead zirconat
Externí odkaz:
https://doaj.org/article/0b1648da6bf94342b33fceae47524b9f
Publikováno v:
Micromachines; Volume 14; Issue 7; Pages: 1355
As smart structures are becoming increasingly ubiquitous in our daily life, the need for efficient modeling electromechanical coupling devices is also rapidly advancing. Smart structures are often made of piezoelectric materials such as lead zirconat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=multidiscipl::b9265ef77e180d9d80eb7c89108a45fd
Autor:
Bart Weekers, Véronique Rochus, Bogdan Vysotskyi, Rachid Haouari, Guilherme Brondani Torri, Grim Keulemans
Publikováno v:
2021 22nd International Conference on Thermal, Mechanical and Multi-Physics Simulation and Experiments in Microelectronics and Microsystems (EuroSimE).
This paper presents an overview of state-of-the-art acoustic isolation in MEMS and compares several acoustic isolation techniques that can be applied to a pMUT array. To keep the solution for acoustic filtering relatively simple in terms of design an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aea4cd014ab9bdf0dba1637a5b939188
https://doi.org/10.1109/eurosime52062.2021.9410867
https://doi.org/10.1109/eurosime52062.2021.9410867
Autor:
Guilherme Brondani Torri, Alexandre Halbach, Xavier Rottenberg, Véronique Rochus, David Cheyns, Hang Gao, R. Haouari, Margo Billen, Clea Parcerisas Serrahima, Pieter Gijsenbergh, Yongbin Jeong
Publikováno v:
2019 IEEE International Ultrasonics Symposium (IUS).
Multi-frequency piezoelectric micromachined transducer (PMUT) arrays have the potential to assist long-term monitoring with high resolution images at large penetration depth, paving the way for early diagnosis, follow-up and treatment. In this paper,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b593b9eb6658ae0914c13e04c57941ed
https://doi.org/10.1109/ultsym.2019.8926142
https://doi.org/10.1109/ultsym.2019.8926142
Autor:
Wouter Devriese, Pieter Gijsenbergh, Christopher Chare, Alexandre Halbach, Guilherme Brondani Torri, Xavier Rottenberg, Véronique Rochus, David Cheyns, Hang Gao, Yongbin Jeong, Margo Billen
Publikováno v:
2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII (TRANSDUCERS & EUROSENSORS XXXIII).
This paper presents a Piezoelectric Micromachined Ultrasonic Transducer (PMUT) array targeting mid-air haptic feedback applications. Compared to existing bulk ultrasound transducer technologies, this array implements polymer-based micromachined ultra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a4709be336d4120496eeb8d3320781fd
https://doi.org/10.1109/transducers.2019.8808775
https://doi.org/10.1109/transducers.2019.8808775
Autor:
Hang Gao, Pieter Gijsenbergh, David Cheyns, Yongbin Jeong, Véronique Rochus, Christopher Chare, Alexandre Halbach, Xavier Rottenberg, Guilherme Brondani Torri, Margo Billen
Publikováno v:
2019 20th International Conference on Thermal, Mechanical and Multi-Physics Simulation and Experiments in Microelectronics and Microsystems (EuroSimE).
In this paper, a physically representative electric equivalent lumped model of a fabricated 600 um diameter polymer-based piezoelectric micromachined ultrasonic transducer (PMUT) is detailed. All parameter values in the lumped model are identified ba
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b12cca9f35a5c74d268fa6f13d36c665
https://doi.org/10.1109/eurosime.2019.8724526
https://doi.org/10.1109/eurosime.2019.8724526
Autor:
Hang Gao, Chih Hsien Huang, Véronique Rochus, Yongbin Jeong, David Cheyns, Xavier Rottenberg, Shengping Mao, Guilherme Brondani Torri
Publikováno v:
2018 19th International Conference on Thermal, Mechanical and Multi-Physics Simulation and Experiments in Microelectronics and Microsystems (EuroSimE).
In this paper, the design, modeling, and characterization of a display compatible pMUT platform are presented. A FEM model is built using COMSOL Multiphysics for evaluating the frequency response, mechanical performance, acoustic pressure, and drivin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::474295a0fbee37fb6fd788320d8d2ec2
https://doi.org/10.1109/eurosime.2018.8369931
https://doi.org/10.1109/eurosime.2018.8369931
Autor:
Guilherme Brondani Torri, R. Haouari, Shengping Mao, Chih Hsien Huang, Xavier Rottenberg, M. Signorelli
Publikováno v:
2018 19th International Conference on Thermal, Mechanical and Multi-Physics Simulation and Experiments in Microelectronics and Microsystems (EuroSimE).
Focused ultrasound has a variety of applications. High-intensity ultrasound is becoming a common tool in medicine for non-invasive interventions such as tissue ablation of cancer tumors. Low intensity focused acoustic waves can also be employed for o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c6b8d5b6727353008b3e2b0dbb651ba
https://doi.org/10.1109/eurosime.2018.8369933
https://doi.org/10.1109/eurosime.2018.8369933
Autor:
Shengping Mao, R. Haouari, Bart Nauwelaers, Liwang Liu, Véronique Rochus, H.A.C. Tilmans, Guilherme Brondani Torri, Xavier Rottenberg
Publikováno v:
2016 IEEE International Ultrasonics Symposium (IUS).
In this work, we present a general multi-mode lumped equivalent circuit model for an arbitrary excited circular cMUT cell operated in a small signal regime. It can be considered as a model extension of the modal analysis based equivalent circuit mode
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::790ca7746e817d35081db275461126e1
https://doi.org/10.1109/ultsym.2016.7728693
https://doi.org/10.1109/ultsym.2016.7728693
Autor:
Xavier Rottenberg, Robert Puers, Harrie Tilmans, Jan Bienstman, Chris Van Hoof, Guilherme Brondani Torri
Publikováno v:
2015 Symposium on Design, Test, Integration and Packaging of MEMS/MOEMS (DTIP).
This work presents the co-design and simulation of a self-excited MEMS-CMOS oscillator. The device consists of an electrostatic MEMS actuator, a DC source and a resistive circuit switched by the actuator's displacement. The MEMS device is modeled aft
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::16e9684bf9a14a434446980986941dbf
https://doi.org/10.1109/dtip.2015.7160973
https://doi.org/10.1109/dtip.2015.7160973