| 摘要 |
A thermal inkjet printhead that includes a substrate, a chamber layer stacked on the substrate, an ink chamber formed in the chamber layer, a heater to heat ink filled in the ink chamber to generate bubbles, and a nozzle layer stacked on the chamber layer, and including a nozzle formed in the nozzle layer, wherein a ratio of the volume of ink ejected through the nozzle with respect to the sum of the volumes of the ink chamber and the nozzle is in the range of approximately 40 to 60%. |
