Study on New Poling Technology of the Piezoelectric Ceramic Filter
Instrumentation, Measurement, Computer, Communication and Control（2013）
Abstract
The poling conditions of the 6.5MHz PbZrO3-PbTiO3 (PZT) piezoelectric ceramic filters have been studied. A new poling technology, which is two poling processes before and after ceramic disks are respectively coated with silver film electrode, is introduced. The optimal poling conditions are described. The effects of two poling process are good for the electrical properties and mechanical performance compared with the previous poling. The experimental results are analyzed based on energy-trap phenomenon and the forming of domain. The two poling technology is also useful for the preparation of other piezoelectric ceramic components and devices.
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Key words
poling process,poling condition,piezoelectric ceramic components,silver film electrode,previous poling,ceramic disk,mechanical performance,frequency 6.5 mhz,energy-trap phenomenon,optimal poling condition,piezoelectric ceramic component,poling,filter,dielectric polarisation,poling technology,piezoceramics,electrodes,electrical property,piezoelectric ceramic,piezoelectric ceramic devices,crystal filters,new poling technology,piezoelectric ceramic filter,lead compounds,optimal poling conditions,pzt,ceramic disks,vibrations,resonant frequency,absorption,ceramics,electric fields
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