| 摘要 |
An ejection nozzle arrangement having a substrate, a fluid port in the substrate, a chamber on the substrate so as to have the fluid port therein, a roof on the chamber having an ejection port, and an arm extending through an opening in the chamber into the chamber for causing ejection of fluid within the chamber from the ejection port. The arm is suspended within the opening so that the arm is spaced from both the substrate and the chamber within the opening.
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