摘要 |
An acoustic tile (20) for masking the acoustic signature of a surface or submarine vessel and including an inner skin (22) for securing the tile to the hull (10) of the vessel, an outer water-impervious skin (26), and a core (24) sandwiched between the inner (22) and outer (26) skins, the core (24) being made of an expanded honeycomb structure being affixed to said inner and outer skins by thermo-compression bonding. |