Design and Fabrication of A Film Transducer with Composite Microstructures for IR Scene Projection

In order to reduce the ignition energy of the tantalum nitride film transducer, a new type of energy exchangers bridge area was designed in this paper, and it was fabricated by MEMS technology. The parameters of ignition voltage, ignition energy, as well as action time were tested. The experimental results showed that in terms of ignition voltage, ignition energy, and action time, the value of the energy exchangers element of the new bridge area was lower than the value of the energy exchangers element of the conventional bridge area. In addition, ignition performance can be reduced by many energy exchangers in the new bridge area.

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A piezoelectric film transducer for dental occlusal analysis

Clinical Materials ◽

10.1016/0267-6605(92)90048-x ◽

1992 ◽

Vol 10 (3) ◽

pp. 145-151 ◽

Cited By ~ 1

Author(s):

R.L. Sakaguchi ◽

B.S. Wenande ◽

R. DeLong ◽

G.C. Anderson ◽

W.H. Douglas

Keyword(s):

Piezoelectric Film ◽

Film Transducer

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Low Insertion Loss Microwave Ultrasonic Delay Device Using a ZnO Thin Film Transducer

Journal of Applied Physics ◽

10.1063/1.1657330 ◽

1969 ◽

Vol 40 (12) ◽

pp. 4983-4984 ◽

Cited By ~ 1

Author(s):

R. M. Malbon ◽

M. T. Wauk ◽

D. K. Winslow

Keyword(s):

Thin Film ◽

Insertion Loss ◽

Zno Thin Film ◽

Low Insertion Loss ◽

Film Transducer

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The Cavermod Device: Force Measurements

Journal of Fluids Engineering ◽

10.1115/1.2822209 ◽

1999 ◽

Vol 121 (2) ◽

pp. 312-317 ◽

Cited By ~ 4

Author(s):

E. G. Filali ◽

J. M. Michel ◽

S. Hattori ◽

S. Fujikawa

Keyword(s):

Solid Wall ◽

Axial Direction ◽

Companion Paper ◽

Point Of View ◽

Pvdf Film ◽

Force Measurements ◽

Hard Materials ◽

Force Signal ◽

Ceramic Transducer ◽

Film Transducer

The Cavermod device, as described in the companion paper (Filali et al., 1999), allows us to produce the axial collapse of a cavitating vortex at high velocities. From a global point of view, we can consider that it produces a high momentum in the axial direction. Large forces, concentrated on a small area and able to produce erosion pits on hard materials, result from the sudden momentum stopping against a solid wall. In this paper, the results of the forces measurements are given. Four different measurements devices are used to analyze the Cavermod performance in both cases of long and short vortex: dislocations in MgO (Magnesium Oxide) single crystal, two special piezoelectric ceramic transducers and a PVDF film transducer. Special attention is given to the PVDF film response which is found twice the response of other devices. In addition, an attempt is made to interpret the temporal force signal given by a ceramic transducer in terms of local erosive pressure.

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