... microwave ovens, computers, calculators, telephones, electronic and toys . One.Piezo Ceramic Element Applications1. For sound making:Clocks,Calculators,Telephones,Washing machines ... thickness:1,Thick type(T>0.5mm); 2,Standard type(0.5mm>T>0.2mm);3,Thin type (T<0.2mm=,Thinnest type ... the center of the diaphragm may cause cracking in the ceramic elements .When the diaphragm is supported by the edge , ...