FIELD: electrical engineering.
SUBSTANCE: invention relates to the field of electrical engineering, in particular to methods for determining the complex dielectric and magnetic permeability, as well as the thickness of ferrite materials and coatings, and can be used to control their quality. The effect is achieved due to the fact that the method for microwave measurement of electromagnetic parameters of dielectric and magnetodielectric coatings on a metal includes excitation in the coating under study of two E-type surface electromagnetic waves and one H-type surface electromagnetic wave, measuring their attenuation coefficients in the normal plane relative to their direction propagation, creation of a constant magnetic field of transverse ferromagnetic resonance and determination of the complex dielectric and magnetic permeability of the coating, as well as its thickness by solving a system of equations, for which surface electromagnetic waves of the E-type are additionally excited, sequentially, at K-frequencies, and surface electromagnetic waves H- type, sequentially, at L-frequencies and create in the coating a constant magnetic field directed in the plane of the coating, perpendicular to the direction of propagation of surface electromagnetic waves.
EFFECT: improving the accuracy and reliability of determining the complex permittivity, the component of the complex magnetic permeability tensor, as well as the thickness of ferrite materials and coatings.
1 cl, 1 dwg, 1 ex
