A bubble-jet type inkjet printhead, a manufacturing method thereof and a method of ejecting ink, wherein, in the printhead, a manifold supplying ink, a hemispherical ink chamber, and an ink channel for connecting the manifold with the ink chamber are integrally formed on the substrate. A nozzle plate...http://www.google.com/patents/US6499832?utm_source=gb-gplus-sharePatent US6499832 - Bubble-jet type ink-jet printhead capable of preventing a backflow of ink
