Solid marine seismic cable with an array of hydrophones

摘要

In a first embodiment of the present invention, a hydrophone is provided comprising: a rigid tubular substrate; an annular cavity formed around the rigid tubular substrate by affixing a tubular diaphragm around the rigid tubular substrate; a flexible piezoelectric element wrapped around and bonded to the flexible tubular diaphragm; and a molded portion covering the piezoelectric element.