Development of an original technology for manufacturing of RF antennas on flexible substrates

Andrey V. Starodubov; Alexey A. Serdobintsev; Victor V. Galushka; Ilya O. Kozhevnikov; Peter V. Ryabukho; Galina A. Korshunova; Sergey Yu. Gorodkov; Anton M. Pavlov

doi:10.1117/12.2525130

3 June 2019 Development of an original technology for manufacturing of RF antennas on flexible substrates

Andrey V. Starodubov, Alexey A. Serdobintsev, Victor V. Galushka, Ilya O. Kozhevnikov, Peter V. Ryabukho, Galina A. Korshunova, Sergey Yu. Gorodkov, Anton M. Pavlov

Author Affiliations +

Proceedings Volume 11066, Saratov Fall Meeting 2018: Laser Physics, Photonic Technologies, and Molecular Modeling; 110660B (2019) https://doi.org/10.1117/12.2525130
Event: International Symposium on Optics and Biophotonics VI: Saratov Fall Meeting 2018, 2018, Saratov, Russian Federation

Abstract

We have propose an original approach for fabrication of flexible antennas for biomedical-related applications. The technology is based on magnetron sputtering and laser ablation methods. The magnetron sputtering method is used to deposit a thin layer of metal (copper) on a flexible substrate (polyimide film). Then laser ablation is utilized to remove excess copper thus forming an antenna pattern on the metal layer. ISM band flexible design with microstrip feeding structure was chosen for testing this technique. Results of numerical simulation are presented. A number of test flexible antennas were fabricated by our original approach. Similar flexible antennas were also fabricated via photolithography process. A comparison of the experimental results of return loss (S11) measurements of antennas with different fabrication approach was carried out. The obtained experimental data is in a good agreement with the numerical modeling results. Proposed technology has significant advantages in cost, speed, and flexibility over photolithography processes commonly utilized for such applications.

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Andrey V. Starodubov, Alexey A. Serdobintsev, Victor V. Galushka, Ilya O. Kozhevnikov, Peter V. Ryabukho, Galina A. Korshunova, Sergey Yu. Gorodkov, and Anton M. Pavlov "Development of an original technology for manufacturing of RF antennas on flexible substrates", Proc. SPIE 11066, Saratov Fall Meeting 2018: Laser Physics, Photonic Technologies, and Molecular Modeling, 110660B (3 June 2019); https://doi.org/10.1117/12.2525130

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