Patent ID: 7815284

Claim:
A liquid drop ejecting head comprising: a cavity section including: a plurality of nozzles which are arranged in a row extending in a first direction and eject liquid drops; a common liquid chamber which distributes liquid to the nozzles; and a supply path which communicates with the common liquid chamber and supplies liquid from a liquid supply source to the common liquid chamber, wherein the cavity section is formed by laminating a plurality of plates including at least first and second manifold plates adjacent to each other in a laminating direction, each of the first and second manifold plates including an opening, wherein the openings of the first and second manifold plates overlap with each other when viewed in the laminating direction, wherein at least one of the openings includes: a first opening which extends in the first direction and serves as the common liquid chamber; a second opening which is adjacent to the first opening and serves as the supply path; and a partitioning portion disposed between the first opening and the second opening.