Implementation of Novel 3D Printed Perturb Microwave Laminate with Circular Mesh Grid Substrate for Circularly Polarized Patch Antenna
| Authors | Monalisa Pal1,2, Soumendra Pain1,2, 3 , Umesh Shrikrishna Patkar1,2, Tapas Mondal3 |
| Affiliations |
1Intelligent Systems Engineering Group, CSIR-Central Mechanical Engineering Research Institute, 713209 Durgapur, West Bengal, India 2Academy of Scientific and Innovative Research (AcSIR), 201002 Ghaziabad, UP, India 3Electronics and Communication Engineering Department, Dr. B. C. Roy Engineering College, 713206 Durgapur, West Bengal, India |
| Е-mail | tapas2k@gmail.com |
| Issue | Volume 18, Year 2026, Number 5 |
| Dates | Received 18 April 2026; revised manuscript received 23 October 2026; published online 28 October 2026 |
| Citation | Monalisa Pal, Soumendra Pain, Umesh Shrikrishna Patkar, et al., J. Nano- Electron. Phys. 18 No 5, 05002 (2026) |
| DOI | https://doi.org/10.21272/jnep.18(5).05002 |
| PACS Number(s) | 84.40.Ba |
| Keywords | Microwave laminate, 3D printed material, Circularly polarized antenna, Circular patch antenna. |
| Annotation |
This paper presents the design and implementation of a novel 3D printed microwave laminate consisting of identical circular slots in mesh grid fashion to incorporate the volume fraction of air influencing the effective permittivity and as a result suitable for antenna fabrication. Along with identical circular slots, four perturbations are introduced with rectangular shaped polymer partially filling them. This type of asymmetric structure in the substrate layer that leads to the splitting of the degenerate modes of the planar antenna, thus emitting circularly polarized electromagnetic waves. This dielectric substrate was manufactured by 3D printing using an opaque, impact-resistant engineering thermoplastic and both sides coated with thin copper layer. The proposed antenna was implemented with double stack substrate layer to accommodate the hat shaped feeding structure as well as ground in the bottom and circular radiating patch in the top layer which exhibits axial ratio beamwidth of 177. Consumer Wi-Fi hotspots & smart home systems, intelligent transport systems and roadside units, and GPS tracking are probable application areas of the proposed low- profile antenna. |
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