a piezoelectric device including : a piezoelectric element having , on a surface of a piezoelectric body , an exciting electrode and a drawing electrode that is electrically coupled to the exciting electrode and draws an electrode to an external section , and a substrate bonded to the drawing electrode with a metallic brazing material , in that : the piezoelectric element contains a connecting electrode connecting the exciting electrode with the drawing electrode ; and the connecting electrode and / or the exciting electrode contains an underlying layer provided on the surface of the piezoelectric body and a surface layer section provided on a surface of this underlying layer , wherein : the underlying layer is provided using the metallic brazing material and a metallic material of adverse wettability ; and a portion of the surface layer section is removed in a manner that the exciting electrode and the drawing electrode are separated .