Patent ID: 9656468
Date: 2017-05-23
CPC Classifications: B41J

Claim:
1. A liquid ejecting head, comprising: a plurality of nozzles which eject liquid; a plurality of pressure chambers, a pressure chamber of the plurality of pressure chambers being in communication with a nozzle of the plurality of nozzles; and a plurality of liquid supply paths, a liquid supply path of the plurality of liquid supply paths being in communication with and supply the liquid to the pressure chamber of the plurality of pressure chambers, a communication opening is provided between the nozzle of the plurality of nozzles and the pressure chamber of the plurality of pressure chambers, wherein a shortest formation pitch between each of the nozzles in a row of nozzles arranged in a perpendicular direction to a moving direction of head relative to a recording medium is equal to or less than 1/300 inches, and wherein a capacity of a flow path from an opening of the liquid supply path to the nozzle in the pressure chamber is equal to or higher than 4400 pl, the capacity of the flow path includes the capacity of the communication opening and the capacity of the pressure chamber extending from an inlet to the pressure chamber to an outlet from the pressure chamber to the communication opening, the capacity of the communication opening being greater than the capacity of the pressure chamber.