Patent ID: 9248649
Filing Date: 2016-02-02
CPC Classification: B41J

Claim Text:
1. A liquid ejecting head which ejects liquid from nozzle holes by changing a pressure in a pressure chamber, the head comprising: a flow path member which is made of ceramics, and in which the pressure chamber is formed; and a piezoelectric element which includes at least a first piezoelectric layer which is made of ceramics, wherein the first piezoelectric layer of the piezoelectric element is bonded directly to the flow path member such that the first piezoelectric layer forms one of the surfaces of the pressure chamber, wherein a bonding layer made of ceramics which is bonded to the flow path member is formed on a side facing the pressure chamber of the first piezoelectric layer, wherein a coating film is formed on a part of the bonding layer and an inner wall of the pressure chamber.