Patent ID: 7926921
Filing Date: 2011-04-19
Classification: B41J

Abstract:
1. A liquid transporting apparatus which transports a liquid, comprising: a channel unit having a surface which is electroconductive and a liquid channel which includes a pressure chamber and through which the liquid flows, the pressure chamber being open to the surface; a piezoelectric actuator applying a pressure to the liquid in the pressure chamber and having a piezoelectric layer arranged to face the surface of the channel unit and to cover the pressure chamber, electrodes which are arranged in the piezoelectric layer to face the pressure chamber, and a first isolating film formed of a resin material and arranged between the piezoelectric layer and the surface of the channel unit to face the pressure chamber; and a deterioration detecting mechanism detecting a deterioration of the first isolating film and having a second isolating film which is electroconductive and stacked on a surface, of the first isolating film, on a side of the piezoelectric layer, and which is insulated from both the electrodes and the channel unit.