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- Title
Influence of Flexible and Textile Substrates on Frequency-Selective Surfaces (FSS).
- Authors
Rac-Rumijowska, Olga; Pokryszka, Piotr; Rybicki, Tomasz; Suchorska-Woźniak, Patrycja; Woźniak, Maksymilian; Kaczkowska, Katarzyna; Karbownik, Iwona
- Abstract
Frequency-selective surfaces (FSS) are two-dimensional geometric structures made of conductive materials that selectively transmit or reflect electromagnetic waves. In this paper, flexible FSS made on textile and film substrates is presented and compared to show the effect of the texture associated with the type of substrate on the shielding properties. Three geometries of patterns of squares in the border, inversion of squares in the border, and circles with a border were used, and the patterns were made by the silver paste screen printing technique. Microscopic analysis (SEM and optical) was performed to determine the degree of substrate coverage and the actual geometry of the pattern. The resistance per square of the obtained patterns was about 50 mΩ/□. The shielding properties of FSS were simulated in Comsol Multiphysics 6.2 software and then measured by the antenna method. Selective textile filters were obtained, depending on the pattern used, with one or two modals with a transmission attenuation of about 15 dB. The paper analyzes the effect of the substrate and the screen printing technique used on the shielding properties of the flexible FSS.
- Subjects
FREQUENCY selective surfaces; SCREEN process printing; PRINTMAKING; ELECTROMAGNETIC waves; MICROSCOPY; TECHNICAL textiles
- Publication
Sensors (14248220), 2024, Vol 24, Issue 5, p1704
- ISSN
1424-8220
- Publication type
Article
- DOI
10.3390/s24051704