METHOD OF DETERMINING THICKNESS OF DIELECTRIC COATING Russian patent published in 2009 - IPC G01N22/00

Abstract RU 2369862 C1

FIELD: physics.

SUBSTANCE: method of determining thickness of dielectric coating deposited on a metal substrate involves exciting surface electromagnetic waves in the dielectric coating and reception of these waves after their propagation in the dielectric coating. According to the invention, the HE₁₁ mode of surface electromagnetic waves is allowed to exist in the dielectric coating during excitation and during reception, attenuation of this mode is recorded and when complete attenuation is achieved, thickness of the coating is determined using a proposed formula.

EFFECT: invention simplifies the process of measuring thickness of dielectric coating.

1 dwg

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RU 2 369 862 C1

Authors

Akhobadze Guram Nikolaevich

Dates

2009-10-10—Published

2008-06-06—Filed