Ultrasonic flat type piezoelectric vibrator
A piezoelectric vibrator and flat-plate technology, applied in the direction of electrical components, impedance networks, etc., can solve problems affecting the performance and service life of ultrasonic piezoelectric ceramic devices, improve mechanical quality, increase sensitivity, and avoid protruding solder joints Effect
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[0016] Further description will be made below in conjunction with embodiments of the present invention.
[0017] One embodiment of the present invention is realized in the following manner:
[0018] An ultrasonic flat piezoelectric vibrator,
[0019] (1). The material of the ultrasonic flat piezoelectric vibrator is niobium zinc-lead niobium stannate;
[0020] (2). The chemical formula is Pb(Zn1 / 3Nb2 / 3)x(Sn1 / 3Nb2 / 3)yTizZr1-x-y-zO3);
[0021] (3). By setting x and y in the molecular formula of niobium zinc-lead niobate stannate material in the range of 0
[0022] After determining the optimal ratio of each component, manganese oxide (MnO2), antimony oxide (Sb2O3) and niobium oxide (Nb2O5) are added, and the weight of each additive is less than 2%.
[0023] ...
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