this invention provides a piezoelectric film, a piezoelectric film element, and a liquid delivery head and a liquid delivery apparatus using the piezoelectric film element.
本发明提供了一种压电膜、一种压电膜元件、一种使用该压电膜元件的液体排出头和一种液体排出装置。
in order to control the movement of the placement delivery head assembly, it is usual to adopt computer numerical control( cnc).