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SABIC launches compounds with improved signal gain for automotive GNSS antennas

Photo: SABIC

Photo: SABIC

SABIC, a global leader in the chemical industry, has introduced two new LNP Thermocomp compounds that offer the potential to improve signal gain performance compared to ceramics in second-generation automotive GNSS antennas.

The new compounds, LNP Thermocomp ZKC0CXXD and LNP Thermocomp ZKC0DXXD, help enable the design and molding of antenna substrates with more complex pattern markings that add effective surface area, a critical factor in enhancing signal capture.

For customers that use ceramics, switching to the LNP Thermocomp compounds can help lower system costs by avoiding secondary operations, as well as improving antenna performance. Designers and engineers who find current materials inadequate for developing novel, high-resolution GNSS antennas can help address new requirements with the SABIC products, the company said.

“As GNSS antenna technology advances to its second generation with higher resolution, SABIC continues to enhance the scope and capabilities of our LNP specialty compounds portfolio to meet new performance requirements,” said Joshua Chiaw, director of business management, LNP, SABIC. “Our new LNP Thermocomp compounds can help antenna manufacturers achieve superior signal gain compared to ceramic substrates. They also provide flexibility to produce smaller parts with the same performance as ceramic, or equal-size parts with better performance. This remarkable combination of improved signal capture and design freedom, plus system cost advantages, can help propel innovation in GNSS technology — a keystone of occupant safety today and autonomous driving in the future.”

The LNP Thermocomp compounds, which offer a high dielectric constant (Dk) for miniaturization and a low dissipation factor (Df) to facilitate signal acquisition, can be tailored to meet the electrical requirements of individual applications. They feature electroplating capability, good thermal resistance for reliability, and the design freedom and production efficiency of thermoplastics. Both are well-suited for shark fin-style and new conformal antenna designs.

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