Patent ID: 7264338

Claim:
A recording head comprising: a plurality of nozzles for ejecting a fluid; a plurality of pressure-applied chambers arranged in a predetermined direction and each communicating with a corresponding one of the nozzles; and a common chamber having a plurality of wall surfaces and configured to supply the fluid to the pressure-applied chambers, wherein at least one of the wall surfaces of the common chamber, along the predetermined direction, has a pressure absorbing surface with rigidity lower than those of other wall surfaces and configured to absorb a pressure change, wherein said pressure absorbing surface is formed by a pressure absorbing member having a non-uniform thickness, and wherein the pressure absorbing surface is divided into a central portion and two end portions on both sides of the central portion along the predetermined direction, and an average thickness of the pressure absorbing member at the central portion is larger than an average thickness of the pressure absorbing member at the end portions.