... computers, calculators, telephones, electronic and toys . One.Piezo Ceramic Element Applications1. For sound making:Clocks,Calculators,Telephones,Washing ... of the diaphragm may cause cracking in the ceramic elements .When the diaphragm is supported by ... for the ceramic Silver electrode for 0.5 second or less .Six. SWT piezo diaphragm’s excellence1 ... for the past 21 years. Piezo Ceramic Element