Zobrazeno 1 - 10
of 123
pro vyhledávání: '"Mourad N. El-Gamal"'
Publikováno v:
Sensors, Vol 24, Iss 22, p 7144 (2024)
Silicon nanowires (SiNWs) have garnered considerable attention in the last few decades owing to their versatile applications. One extremely desirable aspect of fabricating SiNWs is controlling their dimensions and alignment. In addition, strict contr
Externí odkaz:
https://doaj.org/article/7f320af21ac5459d808cfed20add064a
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
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 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 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
Publikováno v:
Journal of Microelectromechanical Systems. 28:14-24
This paper proposes a novel design for a 3-D, high-sensitivity, single-axis lateral capacitive accelerometer. The accelerometer utilizes the entire area of the sensor for both sensing and the proof mass, which mitigates the tradeoffs often needed in
Publikováno v:
Sensors
Volume 19
Issue 24
Sensors (Basel, Switzerland)
Volume 19
Issue 24
Sensors (Basel, Switzerland)
This paper presents a novel dual-level capacitive microcantilever-based thermal detector that is implemented in the commercial surface micromachined PolyMUMPs technology. The proposed design is implemented side-by-side with four different single-leve
Autor:
Rania Hassan Mekky, Mourad N. El-Gamal
Publikováno v:
Analog Integrated Circuits and Signal Processing. 95:31-51
A reconfigurable noise-shaping time-to-digital converter (TDC) with adjustable resolution and input range is presented as a solution to nonlinear multi-input readout systems. By varying the frequency of a multi-step quantizer gated-ring oscillator (M