Patent ID: 8991984
Filing Date: 2015-03-31
Classification: B41J,H01L

Abstract:
1. A liquid ejecting head that discharges a liquid through a nozzle aperture, the liquid ejecting head comprising: a nozzle plate that includes the nozzle aperture; a piezoelectric element including a plurality of piezoelectric layers positioned on the nozzle plate, the piezoelectric layers each being made of a complex oxide containing bismuth, iron, barium and titanium and having a perovskite structure; a first electrode located between the piezoelectric layers and the nozzle plate; and a second electrode provided on the piezoelectric layers, wherein an iron content in a portion of the piezoelectric layers extends from the interface between the piezoelectric element and the second electrode to a depth of about 50 nm is higher than an iron content in the remaining portions of the portions of the piezoelectric layers.