Results 201 to 210 of about 21,545 (257)
Some of the next articles are maybe not open access.
Piezoelectric Sensors and Sensor Materials
Journal of Electroceramics, 1998This paper reviews the current trends and historical development of piezoelectric sensors and sensor materials technology. It begins with a discussion of the bases of piezo- and ferroelectric activity, followed by an overview of the most commonly used piezoelectric ceramic: lead zirconate titanate (PZT).
James F. Tressler +2 more
openaire +1 more source
The Journal of the Acoustical Society of America, 1998
A piezoelectric medium provides an attractive technology for realizing a variety of sensors that exhibit high sensitivity, small size and portability, fast responses, ruggedness and robustness, excellent aging characteristics, high accuracy, and the capability to measure multiple quantities in a single sensor package.
openaire +1 more source
A piezoelectric medium provides an attractive technology for realizing a variety of sensors that exhibit high sensitivity, small size and portability, fast responses, ruggedness and robustness, excellent aging characteristics, high accuracy, and the capability to measure multiple quantities in a single sensor package.
openaire +1 more source
Piezoelectric Biomaterials for Sensors and Actuators
Advanced Materials, 2018AbstractRecent advances in materials, manufacturing, biotechnology, and microelectromechanical systems (MEMS) have fostered many exciting biosensors and bioactuators that are based on biocompatible piezoelectric materials. These biodevices can be safely integrated with biological systems for applications such as sensing biological forces, stimulating ...
Meysam T. Chorsi +7 more
openaire +2 more sources
Piezoelectric Cell Growth Sensor
Nature Biotechnology, 1991We have developed a reusable piezoelectric sensor that enables rapid characterization of cell viability and response to cell-affecting agents. This is accomplished via a novel polymer transduction principle that involves reaction of a pH-sensitive amphoteric polymer with metabolically generated acid. Subsequent adhesion of the protonated polymer to the
R C, Ebersole, R P, Foss, M D, Ward
openaire +2 more sources
Piezoelectric Sorption Anesthetic Sensor
IEEE Transactions on Biomedical Engineering, 1981The piezoelectric sorption detection method is evaluated for use in construction of an inexpensive, rugged, compact, and fast sensor for measuring the concentration of inhalation anesthetics. 10 MHz quartz crystals were coated with various substances and their frequency shifts measured upon exposure to varying concentrations of halothane, enflurane ...
J B, Cooper +3 more
openaire +2 more sources
A piezoelectric sensor embedded in a non-piezoelectric matrix
International Journal of Engineering Science, 1995zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Fan, H., Qin, S.
openaire +2 more sources
The Journal of the Acoustical Society of America, 1983
A broadly tuned self resonant knock sensor includes a piezoelectric element mounted on a central mounting stud. The element includes a generally annular vibratable portion having a variable radial dimension so as to exhibit resonant vibrations at a plurality of relatively closely spaced resonant frequencies essentially spanning an engine determined ...
Yuchi P. Peng +2 more
openaire +1 more source
A broadly tuned self resonant knock sensor includes a piezoelectric element mounted on a central mounting stud. The element includes a generally annular vibratable portion having a variable radial dimension so as to exhibit resonant vibrations at a plurality of relatively closely spaced resonant frequencies essentially spanning an engine determined ...
Yuchi P. Peng +2 more
openaire +1 more source
Noise in piezoelectric sensors
The Journal of the Acoustical Society of America, 1990Piezoelectric sensor noise generation mechanisms will be reviewed. The sensor needs to be considered as part of a sensor-preamplifier system whose output signal-to-noise is to be maximized. When the preamplifier noise is dominant (as is often the case), an appropriate figure-of-merit for the piezoelectric sensor material is the gd product, where g and ...
Mark B. Moffett, James M. Powers
openaire +1 more source
Vibrating piezoelectric sensors
Sensors and Actuators A: Physical, 1994Abstract This paper presents the original results obtained in the development of the vibrating piezoelectric sensors loaded with any medium, either solid, liquid or gas. The common feature of such a loading is its ability to vibrate synchronously with the piezoelectric resonator as a compound resonator. The paper introduces a new concept in vibrating
openaire +1 more source