Patent ID: 9050801
Filing Date: 2015-06-09
Classification: B41J,Y10T

Abstract:
1. A liquid ejecting head, comprising: a channel unit having a plurality of pressure chambers respectively communicating with a plurality of nozzles opened to a nozzle formation surface, a plurality of reservoirs for supplying liquid to at least one of the plurality of pressure chambers, and a plurality of compliance units formed by partitioning at least a part of the surface of each reservoir opposite to the nozzle formation surface by a film member; and a head case joined to a surface of the channel unit opposite to the nozzle formation surface, wherein a concave chamber formed by depressing a part of a surface thereof, which is joined to the channel unit, in a side opposite to the reservoir and a single atmosphere opening passage whose one end communicates with the concave chamber and the other end is opened to the atmosphere are formed at the head case, wherein the single atmosphere opening passage is connected to the atmosphere through a serpentine channel, and wherein the concave chamber is formed in series over the plurality of compliance units.