Airborne antenna material

  • 16-Jul-2009 12:55 EDT

RT/duroid 5880LZ laminate materials from Rogers tout the lowest Dk for a copper-clad laminate available in the market, providing improved antenna efficiency. It is a lightweight, PTFE-based composite, optimized with a filler that provides very low density (1.37 g/cm3) and a low coefficient of thermal expansion in the z axis. The material is well suited for fabricating high-frequency circuits with plated through holes and allows higher vehicle payloads. With a thermal coefficient of dielectric constant of 22 ppm/°C, the material enables consistent circuit performance and stable dielectric constant vs. temperature.
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