DEVELOPMENT STRUCTURE ANTENNA

摘要

PROBLEM TO BE SOLVED: To use a wider range and to improve the surface precision of an antenna and a reflector. SOLUTION: A plane film 2 in which antenna elements 1 are arranged on one side and which can be folded, a closed film face 3 whose inner face is connected to the outer edge part of the plane film 2, which covers the plane film 2 and which has air-tightness and a gas applying device 4 which is installed on the closed film face 3 and applies gas into the closed film face 1 are provided.