| 摘要 |
An ink ejecting apparatus is composed of a piezoelectric ceramics plate, a cover plate, and a nozzle plate. The piezoelectric ceramics plate is provided with a plurality of grooves. The cover plate is composed of a front plate and a rear plate. The rear plate is provided with a plurality of ink inlet holes and a manifold. The cover plate is bonded to the piezoelectric ceramics plate to define a plurality of ink chambers communicating with the manifold through the ink inlet holes and a plurality of air chambers that do not communicate with the manifold.
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