Patent ID: 9358784
Filing Date: 2016-06-07
CPC Classification: B41J,Y10T

Claim Text:
1. A liquid ejecting head comprising: a nozzle opening that is formed on one face of a silicon substrate, and ejects liquid; a first concave portion that is provided on the other face of the silicon substrate, and configures a pressure generating chamber which communicates with the nozzle opening; a second concave portion that is provided on one face of the silicon substrate, and configures a flow path which communicates with the first concave portion and supplies the liquid; a vibration plate that seals the first concave portion, and generates pressure within the pressure generating chamber, on the other face of the silicon substrate; and a sealing plate that seals the second concave portion, and configures a portion of a wall face of the flow path, on one face of the silicon substrate, wherein the first concave portion and the second concave portion overlap each other in an in-plane direction when seen in a direction which is orthogonal to the face of the silicon substrate, a stepped concave portion which accommodates the sealing plate, and of which a depth is larger than a thickness of the sealing plate, is provided on one face of the silicon substrate, and the second concave portion is placed on an inside of the stepped concave portion.