A fluid dispenser comprises a fluid chamber having two actuators coupled thereto. One of the actuators damps a fluid response of the other. The fluid chamber may comprises a cylindrical capillary, and the actuators may comprise spaced cylindrical piezoelectric elements. ...http://www.google.ca/patents/US20010055814?utm_source=gb-gplus-sharePatent US20010055814 - Fluid dispenser and dispensing methods
