Patent ID: 8147033

Claim:
An inkjet printhead comprising: a) a plurality of arrays of nozzles, each array being disposed along an array direction, and neighboring arrays being displaced from one another along an array separation direction, wherein each of the arrays has a corresponding ink inlet; b) a mounting substrate including: i) a first face including a plurality of first openings that are fluidly connected to and proximate to corresponding ink inlets of the arrays of drop ejectors; and ii) a second face opposed to the first face, the second face including a plurality of second openings, each second opening being fluidly connected to a first opening of the first face, wherein a displacement between adjacent second openings on the second face has a component c 1 that is parallel to the array direction and a component c 2 that is parallel to the array separation direction; c) a plurality of ink chambers, each of the plurality of ink chambers containing liquid ink and each having a corresponding ink outlet and a corresponding inlet port, the ink outlets each being fluidly connected to corresponding second openings in the second face of the mounting substrate; d) a first outer wall disposed proximate to the plurality of inlet ports; and e) a second outer wall disposed opposite the first outer wall and distal to the plurality of inlet ports, each ink chamber having a portion located proximate to the first outer wall, wherein an outer chamber of the plurality of ink chambers has a portion located proximate to the second outer wall, and wherein an inner chamber of the plurality of ink chambers has no portion located proximate to the second outer wall.