| 摘要 |
A stacked piezoelectric device 1 comprising a plurality of piezoelectric layers which are stacked one over another has an abutment 61, 62 which is brought into direct abutment with at least one end face 101, 102 of the piezoelectric device 1 in a stretching direction and a coating member 4 having electrically insulating properties and which covers an abutment portion 60 between the abutment member 61, 62 and the piezoelectric device 1 so that the abutment condition of the abutment member and the piezoelectric device can be maintained.
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