| 摘要 |
The same water-repellent process is provided on a nozzle forming part and the outer circumferential part of a nozzle formation member. A first water-repellent layer is formed through a first water-repellent process on the surface of a nozzle forming part (which forms nozzles on a surface of a nozzle plate, and a second water-repellent layer is formed through a second water-repellent process different from the first water-repellent process on the surface of the outer circumferential part (outer portion of surface) of the nozzle plate. |
