Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Mohannad Y. Elsayed"'
Publikováno v:
Micro, Vol 3, Iss 4, Pp 811-821 (2023)
This paper presents a new MEMS varactor that uses repulsive actuation to achieve an ultra-linear capacitance-to-voltage response. The approach proposed involves actuating the moveable electrode away from the fixed electrode, instead of the convention
Externí odkaz:
https://doaj.org/article/c7ab4c0e713943d4b06c0dca5e645245
Publikováno v:
Sensors, Vol 24, Iss 7, p 2297 (2024)
Ultrasonic diagnostics is the earliest way to predict industrial faults. Usually, a contact microphone is employed for detection, but the recording will be contaminated with noise. In this paper, a dataset that contains 10 main faults of pipelines an
Externí odkaz:
https://doaj.org/article/43e375d331cf4f799740d847f4479180
Autor:
Roufaida Bensalem, Animesh Saha Shovan, Juan Morency Trudel, Hani H. Tawfik, Karim Allidina, Mohannad Y. Elsayed, Mounir Boukadoum, Mourad N. El-Gamal
Publikováno v:
Sensors, Vol 22, Iss 14, p 5157 (2022)
This paper proposes a novel integrated micro-viscometer for engine-oil monitoring. The final solution consists of a capacitive micromachined ultrasonic transducer (CMUT) and an application-specific integrated circuit (ASIC). The CMUT is used to gener
Externí odkaz:
https://doaj.org/article/d0066deec1264e149fc701ba0b135e24
Publikováno v:
Sensors, Vol 22, Iss 5, p 1727 (2022)
The increasing air pollution across the globe has given rise to a global health crisis that is increasing at an alarming rate. Every year, millions of people lose their lives due to health risks caused by air pollutants. Hence, there is a pressing ne
Externí odkaz:
https://doaj.org/article/c103f62890394f279022abea90afc52c
Publikováno v:
Sensors, Vol 19, Iss 12, p 2680 (2019)
This paper presents a microelectromechanical system (MEMS)-based oscillator based on a Lamé-mode capacitive micromachined resonator and a fully differential high-gain transimpedance amplifier (TIA). The proposed TIA is designed using TSMC 65 nm CMOS
Externí odkaz:
https://doaj.org/article/8d41173f52df452baa81b1562104d993
Publikováno v:
Sensors, Vol 13, Iss 12, Pp 16641-16656 (2013)
This work introduces a novel architecture for increasing the sensitivity of bulk mode gyroscopes. It is based on adding parallel plate comb drives to the points of maximum vibration amplitude, and tuning the stiffness of the combs. This increases the
Externí odkaz:
https://doaj.org/article/a4bddbf8409c4a458914866701018cf7
Publikováno v:
Micromachines, Vol 9, Iss 5, p 231 (2018)
This letter proposes a method for utilizing a positive photoresist, Shipley 1805, as a sacrificial layer for sub-180 °C fabrication process flows. In the proposed process, the sacrificial layer is etched at the end to release the structures using a
Externí odkaz:
https://doaj.org/article/47bbe8e93ed344d1ab77e31e0d9fb8d6
Publikováno v:
Sensors, Vol 18, Iss 5, p 1584 (2018)
Piezoelectric energy harvesters have proven to have the potential to be a power source in a wide range of applications. As the harvester dimensions scale down, the resonance frequencies of these devices increase drastically. Proof masses are essentia
Externí odkaz:
https://doaj.org/article/478ae040e7da43a6b97a699ae974e0bd
Autor:
Jonathan Briere, Mohannad Y. Elsayed, Menouer Saidani, Martin Bérard, Philippe-Olivier Beaulieu, Hadi Rabbani-Haghighi, Frederic Nabki, Michaël Ménard
Publikováno v:
Micromachines, Vol 8, Iss 12, p 354 (2017)
This work presents a laterally rotating micromachined platform integrated under optical waveguides to control the in-plane propagation direction of light within a die to select one of multiple outputs. The platform is designed to exhibit low constant
Externí odkaz:
https://doaj.org/article/54bbea5a560346e2af5534ad7e2e40f9
Publikováno v:
Sensors and Actuators A: Physical. 294:102-115
This work introduces a capacitive micromachined ultrasonic transducer (CMUT) with a reduced-gap architecture implemented in the PolyMUMPs technology. The proposed structure enables the realization of high-frequency CMUTs, for the first time in a comm