Results 171 to 180 of about 19,315 (212)
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Highly piezoresistive hybrid MEMS sensors
Sensors and Actuators A: Physical, 2014Abstract A flexible organic piezoresistive micro-electro-mechanical system (MEMS) strain sensor with enhanced sensitivity is presented. The piezoresistive transducers consist in CNT/SU-8 nanocomposites. The electrical resistance changes versus strain of CNT/SU-8 piezoresistive materials have shown linear and non-linear regions at low and high strain ...
D. Thuau, C. Ayela, P. Poulin, I. Dufour
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A piezoresistive tactile sensor
IEEE Transactions on Instrumentation and Measurement, 1997A piezoresistive strain-gauge sensor, mounted in an array configuration, for the measurement of distributed pressures during robotic grasp applications is investigated. The prototype presented consists of a 16-element test cell connected to an electronic acquisition unit that also provides temperature compensation.
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Semiconductor Sensors: II—Piezoresistive Devices
IEEE Transactions on Industrial Electronics and Control Instrumentation, 1970This paper presents a survey of the recent developments of piezoresistive sensors. First, the physical concepts which are essential for the understanding of these devices are recalled, and the characteristics and limitations (particularly temperature limitations) of semiconductor strain gauges are discussed. A further section is devoted to strain-gauge
A. Taroni, M. Prudenziati, G. Zanarini
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Improved composite piezoresistive strain sensors
SPIE Proceedings, 1996The relationship between strain and the fractional increase in electrical resistance ((Delta) R/Ro) of piezoresistive polyether-sulfone-matrix composite strain sensors was found to be much more linear and less noisy when the electrically conducting filler was 0.1 micrometer-diameter carbon filaments rather than the conventionally used 10 micrometer ...
Xiaoping Shui, Deborah D. L. Chung
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Noise in piezoresistive pressure sensors
2015 International Conference on Noise and Fluctuations (ICNF), 2015In this paper we present the results of noise analysis in piezoresistive ceramic pressure sensors (CPSs) prepared by low temperature co-fired ceramics (LTCC) technology. For this study a piezoresistive CPSs in a full Wheatstone-bridge configuration were prepared. Low frequency noise measurements can be used for the quality evaluation of CPSs.
V. Sedlakova +6 more
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Harsh environment piezoresistive pressure sensors
2017 IEEE SENSORS, 2017The capability to ensure reliability while operating in extreme environments is important for the most demanding automotive applications. Even though pressure sensors are a well-established area in the MEMS industry, improvements in sensor design are needed to deliver reliability and long operational life. This paper reports the design, fabrication and
F. Alfaro, G. van Sprakelaar, J. Gaynor
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Self-compensating piezoresistive pressure sensor
Sensors and Actuators A: Physical, 1994Abstract A double-bridge method of pressure-sensor compensation has been tested. Three types of sensors are produced: standard with a flat, square, thin membrane and single Wheatstone bridge with four diffused piezoresistors in standard configuration and new sensors with ‘cut’ piezoresistors and a flat or bossed square membrane with two identical ...
J. Dziuban +4 more
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A piezoresistive integrated pressure sensor
Sensors and Actuators, 1983Abstract A silicon piezoresistive integrated pressure sensor (IPS) containing sensing, temperature compensation and amplification circuits has been developed for automotive and industrial applications, etc. The chip of the IPS is bonded on a silicon support 2 mm thick, using an electrostatic bonding technique for reducing unwanted thermal stress from
Kazuji Yamada +3 more
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Frequency output piezoresistive pressure sensor
Sensors and Actuators, 1983Abstract The sensitivity of silicon to strain and its application to the fabrication of integrated circuits enable sensors to be designed which provide the primary sensing and digital encoding of the signal within the same piece of material. One possible configuration, originally described by Reichl, uses a resistor as the basic sensor to vary the ...
P.J. French, A.P. Dorey
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Textile Piezoresistive Sensors for Biomechanical Variables Monitoring
2006 International Conference of the IEEE Engineering in Medicine and Biology Society, 2006In this paper is described the study leading to the implementation of two novel classes of textile piezoresistive sensors, for application in the field of post stroke rehabilitation and cardiovascular diseases monitoring. Two different approaches have been used, the first one leading to the realization of knitted transducer fabric to be integrated in ...
M, Pacelli, L, Caldani, R, Paradiso
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