RF SPIN Patented 3D-Printed Antenna Lenses
The newly patented technology improves signal gain in horn antennas without increasing aperture size.
Updated on Oct. 12, 2026 in Semiconductors
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RF SPIN secured US Patent No. 12,665,315 on June 23, 2026, for a 3D-printed lens technology designed for ridged horn antennas. The structures are integrated into existing models to sharpen RF beam focus.
Why it matters
This innovation enables measurement systems to attain higher signal levels without the mechanical trade-offs of traditional, larger horn apertures. By using additive manufacturing, the design addresses performance constraints in compact antenna configurations.
The DRH18-EC model achieves an average gain improvement of 6.5 dB across its 1 to 18 GHz operating band. This comes at the cost of a 10-40% increase in antenna length and an added mass of 25 g to 610 g, depending on the specific model.
The players
RF SPIN
A developer of specialized microwave antennas and measurement hardware components.
The details
The system utilizes 3D-printed lenses made of ASA engineering polymer—a high-durability plastic resistant to UV degradation—mounted at the aperture of the horn. By modifying the phase distribution of electromagnetic waves, the lens focuses radio frequency energy into a narrower, more directed beam. The modification supports continuous-wave input powers of up to 150 W.
Timeline
June 23, 2026: US Patent No. 12,665,315 was officially granted.
October 12, 2026: This technology was reviewed in a retrospective report.
The Tech Race
This development marks a departure from traditional horn antenna design by using external additive manufacturing to overcome aperture-based gain constraints. The lens-equipped architecture positions RF SPIN against firms relying on conventional, larger metallic horns to achieve comparable signal directivity.
Engineers and labs utilizing the DRH18-EC model can now achieve higher gain without requiring the floor space or mounting hardware typically needed for larger antennas. This shift primarily affects radio frequency measurement workflows that require high signal sensitivity within compact test environments.
The takeaway
The move toward 3D-printed lens attachments highlights a trend in RF engineering to augment existing hardware performance through additive manufacturing rather than replacing core antenna architecture. Watch for future performance benchmarks on higher-frequency models within the 500 MHz to 44 GHz portfolio.
Further reading
For broader technical context on signal processing and hardware components, explore the Semiconductors section.
Source note: This article includes information reported by Everythingrf.
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