| 摘要 |
<p>A composite ballistic article comprising at least one hard rigid layer (1, 2), at least one fibrous layer (3) and a void layer (4) between said rigid layer and fibrous layer, wherein the relative weight percents of said hard rigid layer and said fibrous layer, and the relative positioning of said layers are such that said article exhibits a mass efficiency equal to or greater than about 2.5.</p> |
