| 摘要 |
<p>An ink jet apparatus includes a plurality of ink chambers each having a front end and a rear end, a manifold provided to introduce ink into each ink chamber with a front side surface on a side near the front end of each ink chamber, and a nozzle provided at the front end of each ink chamber. Ink is jetted from the nozzle by applying pressure to the ink contained in each ink chamber. Each of the ink chambers has a depth and the cover has a thickness, the depth times the thickness being 0.2mm2 or more so as to suppress deformation of the cover.</p> |
