| 摘要 |
A liquid jet printing head having a printing liquid injection port, and an element for generating energy for effecting the injection of the liquid via the injection port, characterized in that a surface formed in the injection port is provided with a layer of a water repellent material consisting of inorganic particles dispersed in a desired manner in a water repellent resin. A liquid jet printing apparatus using this printing head. When this printing head is used, a liquid jet printing head capable of injecting ink stably at all times and producing prints of a high quality can be provided. <IMAGE> |
