| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To obtain a balloon which functions as a radio-wave reflecting device. <P>SOLUTION: The surface of a blank for the balloon is aluminum-vapor- deposited to be a lattice shape, a mesh shape or a waterdrop shape or it is covered with a blank capable of reflecting radar waves, the balloon is filled with a gas so as to swell, and the balloon fulfills a function as the radio-wave reflecting device. <P>COPYRIGHT: (C)2003,JPO</p> |
