Patent ID: 6883903
Filing Date: 2005-04-26
Classification: B41J,H01L,Y10T

Abstract:
1. A flextensional transducer, comprising: a substrate having a first side and a second side opposite the first side, the substrate having a trench formed in the first side thereof and including a mask layer formed within the trench and a fill material disposed within the trench over the mask layer; a flexible membrane provided on the first side of the substrate over the fill material and the mask layer, the flexible membrane having an orifice defined therein; and an actuator fanned on the flexible membrane and adapted to deflect the flexible membrane, wherein the substrate is adapted to have an opening formed therethrough between the first side and the second side through the mask layer arid the fill material, wherein a dimension of the opening at the second side is adapted to be less than a dimension of the opening at the first side.