Highly Flexible and Conformal Stacked Antenna Using Uneven-spaced Corrugated Mesh Patterns

Abstract

Multilayer flexible and conformal antennas are demonstrated using semi-elliptical-shaped corrugated mesh patterns using copper-clad polyimide film. The antenna consists of corrugated strips with varying corrugation sizes that are joined together to form an uneven-spaced mesh pattern. Two layers of mesh patterns are stacked to provide increased bandwidth. The antenna can easily be conformed to surfaces along the horizontal, vertical, and diagonal directions. An L-band antenna is optimized and tested for the flat case as well as conformed to cylinders with a radius of 200 mm, 160 mm, 80 mm, 40 mm, and 20 mm.