MUMBAI, India, July 30 -- Intellectual Property India has published a patent application (202641088056 A) filed by B. M. S College Of Engineering on July 19, 2026, for A Method To Design An Ultra-Light Weight Monolithic, Wideband, High Pattern Integrity Antenna.
Inventors include Karthikeya G. S; and K. P. Lakshmi.
The application for the patent was published on July 24, 2026, under issue no. 30/2026.
Abstract: ABSTRACT A METHOD TO DESIGN AN ULTRA-LIGHT WEIGHT MONOLITHIC, WIDEBAND, HIGH PATTERN INTEGRITY ANTENNA An ultra-light weight, monolithic, wideband, high pattern integrity antenna is disclosed. The antenna comprises a grid-based cavity base plate that enhances boresight gain while minimizing weight, supported by corner pillars that elevate a radiating plate without perturbing the far-field pattern. The radiating plate carries a coplanar waveguide feed line exciting a pair of elliptical slots, and a connector interface region with designated holes enabling solder-less, clip-on connection to a standard RF connector. The structure is a single monolithic metallic part, preferably AlSi10Mg, made by metal additive manufacturing, with wall thickness maintained at about 1.5 mm. The antenna achieves a -10 dB impedance bandwidth from 1.87 to 4.14 GHz (75.5% fractional bandwidth), beamwidth of 64 to 74 degrees in both principal planes, peak boresight gain of about 7.5 dBi, 1-dB gain bandwidth of 68.15%, front-to-back ratio exceeding 8 dB, and radiation efficiency above 90%, suited to base stations and radar. FIG. 1
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