SUBSTRATE, HAVING SYSTEM OF THIN LAYERS WITH THERMAL PROPERTIES Russian patent published in 2019 - IPC C03C17/36 

FIELD: chemistry.

SUBSTANCE: invention relates to a material, such as glass or window glass. In particular, disclosed is a material containing a transparent substrate coated with a system of thin layers, in series, in the direction from the substrate, alternating three functional metal layers based on silver and four dielectric coatings, designated, counting from the substrate, M1, M2, M3 and M4. Thickness of the first functional layer is less than the thickness of the second functional layer and the thickness of the third functional layer. Dielectric coatings M1 and M2 have optical thicknesses Eo1 and Eo2, respectively, which satisfy the following relationship: Eo2 < 1.1·Eo1.

EFFECT: disclosed invention enables to minimize the solar factor, increase reflection from the outside and ensure suitable light transmission with good insulation and good view.

15 cl, 4 tbl, 1 dwg