Electromechanical properties of polarized polyvinylidene fluoride films as studied by the piezoelectric resonance method

1976 ◽  
Vol 47 (3) ◽  
pp. 949-955 ◽  
Author(s):  
Hiroji Ohigashi
2011 ◽  
Vol 317-319 ◽  
pp. 992-995
Author(s):  
Ying Jun Sang ◽  
Xue Liang Huang

In this paper, the piezoelectric ceramic electronic voltage transducer principles is researched, a new internal structure of the measurement system is put forward and the signal processing methods are discussed. On the basis of the analysis of freedom cantilever optical measurement methods for the longitudinal piezoelectric deformation, we proposes the piezoelectric resonance method to detect amplitude of piezoelectric ceramic and cleverly designed mechanical structure, in which the lightweight elastic material is used to support the resonance thin film. This structure overcomes the impact of cantilever longitudinal self-gravity and horizontal friction between cantilever and piezoelectric ceramic, and can improve the deformation measurement accuracy. 10kV 0.05 class transducer voltage measurement accuracy is achieved theoretically.


1984 ◽  
Vol 56 (11) ◽  
pp. 3298-3303 ◽  
Author(s):  
P. Destruel ◽  
F. Soto Rojas ◽  
D. Tougne ◽  
Hoang‐The‐Giam

Author(s):  
Kemining W. Yeh ◽  
Richard S. Muller ◽  
Wei-Kuo Wu ◽  
Jack Washburn

Considerable and continuing interest has been shown in the thin film transducer fabrication for surface acoustic waves (SAW) in the past few years. Due to the high degree of miniaturization, compatibility with silicon integrated circuit technology, simplicity and ease of design, this new technology has played an important role in the design of new devices for communications and signal processing. Among the commonly used piezoelectric thin films, ZnO generally yields superior electromechanical properties and is expected to play a leading role in the development of SAW devices.


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