Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Arash Hajjam"'
Publikováno v:
Journal of Microelectromechanical Systems. 21:681-687
Temperature compensation of thermally actuated high-frequency single crystalline silicon micromechanical resonant structures via high concentration n-type doping has been demonstrated in this paper. The effect of doping level, structural dimensions,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e858db8cede5d01485fef1cdab0a8879
https://doi.org/10.1109/jmems.2012.2185217
https://doi.org/10.1109/jmems.2012.2185217
Autor:
Siavash Pourkamali, Arash Hajjam
Publikováno v:
IEEE Sensors Journal. 12:1958-1964
Polymer coated thermal-piezoresistive micromechanical resonant silicon nanobalances have been utilized for detection and concentration measurement of volatile organic compounds in gas phase. Polyglycolic acid, which is the main polymer ingredient of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::35fe49b7353352fb654633b135188d0c
https://doi.org/10.1109/jsen.2011.2181360
https://doi.org/10.1109/jsen.2011.2181360
Publikováno v:
IEEE Sensors Journal. 11:2883-2890
This work demonstrates mass measurement of individual submicron air-borne particles using resonant micromechanical nano-balances. Thermally actuated high-frequency single crystalline silicon resonators fabricated using a single mask process have been
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::63c5f6af6e446cd44ce729b1a21366ae
https://doi.org/10.1109/jsen.2011.2147301
https://doi.org/10.1109/jsen.2011.2147301
Autor:
Arash Hajjam, Hamid Behnam
Publikováno v:
Ultrasound. 16:160-164
In this paper, we model the ultrasound signal produced by blood-flow through an artery. Our model assumes a number of moving scatterers (red-blood cells), which are randomly distributed in the vessel. The Doppler effect is then introduced by changing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f73575bbcd80ac5133a03352e9b3ddd
https://doi.org/10.1179/174313408x320923
https://doi.org/10.1179/174313408x320923
Publikováno v:
2013 IEEE SENSORS.
This work presents a new approach for measuring sub-nano-Newton forces and sub-picometer displacements using MEMS resonators. Different versions of thermally actuated dual plate micromechanical resonators coupled to electrostatic actuators are utiliz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::460f9dcacf53befbd31b94ed0d423f5f
https://doi.org/10.1109/icsens.2013.6688240
https://doi.org/10.1109/icsens.2013.6688240
Publikováno v:
2013 Transducers & Eurosensors XXVII: The 17th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS & EUROSENSORS XXVII).
This work presents integration of a MEMS resonant mass balance within an aerosol impactor capable of sampling airborne micro to nanoscale particles. The resonant mass balance provides real-time high resolution information on particulate mass concentr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::94cdf6072bb58cea79f4a48ddefdc906
https://doi.org/10.1109/transducers.2013.6626853
https://doi.org/10.1109/transducers.2013.6626853
Publikováno v:
2012 IEEE Sensors.
This work demonstrates the potential of micromechanical resonators as compact human breath detectors. Such sensors can be mounted on robotic platforms used in search and rescue missions for detection of survivors in disaster areas. Human breath carri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d3b73376175cdc7d65fb29eb64b5f974
https://doi.org/10.1109/icsens.2012.6411042
https://doi.org/10.1109/icsens.2012.6411042
Publikováno v:
2012 Solid-State, Actuators, and Microsystems Workshop Technical Digest.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::002623677b25105d597a772df28d223e
https://doi.org/10.31438/trf.hh2012.19
https://doi.org/10.31438/trf.hh2012.19
Publikováno v:
2012 IEEE International Frequency Control Symposium Proceedings.
This paper reports on the design, fabrication and testing of silicon based monolithic thermally actuated MEMS resonators with electrically insulated input and output ports. Promising results lately achieved for thermally actuated micromechanical reso
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eeef78c2af0468dc6e98916470947e05
https://doi.org/10.1109/fcs.2012.6243682
https://doi.org/10.1109/fcs.2012.6243682
Publikováno v:
2012 IEEE International Frequency Control Symposium Proceedings.
This paper presents a new technique for electrostatic tuning of the resonant frequency of in-plane thermal piezoresistive microelectromechanical resonators. The tuning method is based on applying a DC bias voltage between the underlying SOI handle la
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0fca56cf80c6f97971b911bd0bb87e2a
https://doi.org/10.1109/fcs.2012.6243687
https://doi.org/10.1109/fcs.2012.6243687