Abstract: The invention relates to microelectronics, more particularly, to methods of manufacturing solid-state devices and integrated circuits utilizing microwave plasma enhancement under conditions of electron cyclotron resonance (ECR), as well as to use of plasma treatment technology in manufacturing of different semiconductor structures. Also proposed are semiconductor device and integrated circuit and methods for their manufacturing. Technical result consists in improvement of reproducibility parameters of semiconductor structures and devices processed, enhancement of devices parameters, elimination of possibility of defects formation in different regions, and speeding-up of the treatment process.