Patent ID: 6561034
Filing Date: 2003-05-13
Classification: G01H,G01N,G10K

Abstract:
An ultrasonic sparse imaging array comprising:a substrate of acoustically absorptive material; a multiplicity of holes extending through said substrate; a multiplicity of adhesive sheets, each fixed to a first side of said substrate and disposed over a first end of one of said holes, each of said sheets comprising a positive electrode; a generally plano-convex shaped transducer element disposed on each of said sheets; plating fixed to the first side of said substrate and covering each of said transducer elements and comprising a negative electrode; a conductive pin disposed in each of said holes, said pins each being provided with an annular protrusion which closes a second end of said holes; a conductive epoxy filling each of said holes between the pin disc and the sheet; and a power source in electrical communication with said plating.