Window for acoustic wave form and method for making

Details Window for acoustic wave form and method for making Window for acoustic wave form and method for making

G - Physics

10

K

154/104, 181/18,

G10K 15/00 (2006.01) B63B 49/00 (2006.01) B63G 8/39 (2006.01) G01S 7/52 (2006.01)

Patent

CA 2017976

A laminate acoustic window for sonar systems having a pair of septa sandwiching a core therebetween, the core being made of a low shear high elongation to break material, the septa being formed of a relatively low density, high modulus material. The windows of the invention are characterized by unusual freedom from attenuation loss over a wide frequency range. The windows are further substantially self damping and avoid thereby a generation of significant quantities of deleterious noise due to self generated vibration and transmitted vibration.

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