Patent ID: 9630419
Date: 2017-04-25
CPC Classifications: B41J

Claim:
1. An ejection chip comprising: a substrate that includes one or more fluid channels and one or more fluid ports each in communication with at least one of the one or more fluid channels; a flow feature layer disposed over the substrate, the flow feature layer include one or more flow features each in communication with at least one of the one or more fluid ports; a nozzle plate disposed over the flow feature layer, the nozzle plate including one or more nozzles each in communication with at least one of the one or more flow features so that one or more fluid paths are defined by the one or more fluid channels, the one or more fluid ports, the one or more flow features, and the one or more nozzles; and one or more valves directly secured at opposite ends of the one or more fluid ports and that selectively impede flow of fluid through the one or more fluid paths.