Patent ID: 8449086

Claim:
An inkjet printhead comprising: a substrate including a surface; a first chamber disposed on the surface of the substrate, the first chamber including: a first curved wall; a second curved wall opposite the first curved wall; a first inlet disposed between the first curved wall and the second curved wall; and a second inlet disposed between the first curved wall and the second curved wall, the second inlet being on an opposite side of the chamber from the first curved wall; a second chamber disposed on the surface of the substrate, the second chamber including: a third curved wall; a fourth curved wall opposite the third curved wall; a third inlet disposed between the third curved wall and the fourth curved wall; and a fourth inlet disposed between the third curved wall and the fourth curved wall, the fourth inlet being on an opposite side of the chamber from the third inlet; a partitioning wall disposed between the first and second chambers, and the partitioning wall includes the second curved wall of the first chamber and the third curved wall of the second chamber.