| 摘要 |
<p>An ink jet print head using an electrostatic field and being capable of printing characters and letters with a high precision includes an ink chamber (1) for keeping therein ink (3) including charged toner particles, an ejection opening (2) for establishing connection between the ink chamber (1) and an external space, an ejection electrode (4) arranged to be slightly projected from the ejection opening (2), a cataphoresis electrode (5) disposed on a side opposing to the ejection opening (2) of the ink chamber (1), an opposing electrode (6) arranged to oppose the ejection electrode (4) with a recording media (7) therebetween, a cataphoresis voltage source (9) for applying a predetermined voltage to the cataphoresis electrode (5), and an ejection voltage source (8) for applying a predetermined pulse voltage to the ejection electrode (4). The ejection electrode (4) is coated with a hydropholic insulating resin (12). <IMAGE></p> |
