| 摘要 |
A piezoelectric actuator, a cavity plate, a base plate, and a supply plate are common in normal specifications, black high-speed focused specifications, and color-image focused specifications, but other plates such as a manifold plate, a damper plate, a spacer plate, and a nozzle plate are produced according to these specifications. A center of a communicating hole which connects a pressure chamber and a nozzle is gradually shifted in a paper feeding direction, and a position at which the nozzle is formed is also shifted in the paper feeding direction. Accordingly, it is possible to decrease the number of manufacturing lines and to reduce the manufacturing cost as compared to those in a conventional method of manufacturing a liquid droplet jetting head.
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