| http://www.w3.org/ns/prov#value | - Further, the conventional piezo-electric actuator is susceptible to breakage such as cracks due to impact distortion that the ceramic part receives when an electronic device which contains the piezo-electric actuator is dropped, whereas, in the present invention, the impact distortion to the ceramic portion can be avoided because the impact distortion is absorbed mainly by beam members 22 a, resul
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