Liquid transporting apparatus and piezoelectric actuator

A liquid transporting apparatus which transports a liquid, comprising:

• a channel unit having a liquid transporting channel which includes a pressure chamber and through which the liquid is transported;
• and
• a piezoelectric actuator which applies a pressure to the liquid in the pressure chamber, the piezoelectric actuator including:
• a vibration plate covering the pressure chamber;
• a piezoelectric layer disposed on a surface, of the vibration plate, not facing the pressure chamber;
• a drive electrode which is formed on a surface, of the piezoelectric layer, not facing the vibration plate and which faces the pressure chamber;
• a connecting terminal which is formed on the surface, of the piezoelectric layer, not facing the vibration plate to be separated from the drive electrode, and which is connectable to an external wire;
• a connecting portion which is formed on the piezoelectric layer and which connects the drive electrode and the connecting terminal;
• and a first communicating passage and a second communicating passage which are formed in the piezoelectric layer;
• wherein the connecting portion is formed at a position, in a thickness direction of the piezoelectric layer, which is different from a position at which the drive electrode and the connecting terminal are formed;
• the drive electrode and the connecting portion are connected via an electroconductive material which is filled in the first communicating passage;
• and
• the connecting portion and the connecting terminal are connected via an electroconductive material which is filled in the second communicating passage.