**Acknowledgements**

Authors would like to thank the Presidents: Wojciech Wajda WASKO SA (innovation technology and research Enterprise) and Michał Mental ENTE Ltd. (the newest electronic factory) for the possibility of work: theoretical, analytical, numerical, and investigation works as well as participation in R & D works financed from the NCBiR grants. The authors of the paper thank Paulina Powroźnik (intensive research), Anna Kaźmierczak-Bałata (morphology), Maciej Setkiewicz (performance sensing layer and technology), Mirosław Magnuski (electronic design of appliance high frequency and patent) Monika Hejczyk—President Foundation—The Academy of Creative Development (statut support for science) for his help in the experimental investigations.

*Numerical Analysis of the Steady State in SAW Sensor Structures with Selected Polymers… DOI: http://dx.doi.org/10.5772/intechopen.109367*
