HEAT-RESISTANT HIGHLY SELECTIVE ENERGY-SAVING SILVER COATING ON GLASS AND METHOD OF ITS PRODUCTION Russian patent published in 2020 - IPC C03C17/34 C03C17/36 

FIELD: technological processes.

SUBSTANCE: invention relates to energy-saving coatings, in particular to energy-saving coatings on glass, having properties of thermal stability and high selectivity, and a method for production thereof. Disclosed is a heat-resistant highly selective energy-saving coating of silvery color on glass, consisting of separate directly contacting layers. Coating includes the following adhering layers in the order from the glass substrate to the outside: the first layer contains sub-stoichiometric nitride of aluminum-doped silicon Si-Al-N, the next layer contains tin-doped zinc oxide Zn-Sn-O, followed by a layer containing aluminum-doped zinc oxide Zn-Al-O, the next layer contains silver Ag, followed by a layer containing sub-stoichiometric nichrome oxide Ni-Cr-O, next layer contains aluminum-doped zinc oxide Zn-Al-O, followed by intermediate layer containing sub-stoichiometric aluminum nitride Al-N, the next layer contains tin-doped zinc oxide Zn-Sn-O, followed by a layer containing aluminum-doped zinc oxide Zn-Al-O, the next layer contains silver Ag, followed by a layer containing sub-stoichiometric nichrome oxide Ni-Cr-O, the next layer contains sub-stoichiometric tungsten nitride W-N, followed by a layer containing sub-stoichiometric aluminum nitride Al-N, the next layer containing tin-doped zinc oxide Zn-Sn-O.

EFFECT: technical result of the present invention is aimed at providing a combination of qualities of thermal stability, high selectivity and pronounced silver color of the energy-saving coating on glass substrates, expressed in an aggregate combination of a set of properties: resistance to prolonged effects of high temperatures, sun-proof properties with respect to thermal solar action with simultaneous maintenance of a satisfactory visible light transmission level, properties of energy efficiency by reduction of radiative heat losses during cold time and silver color of reflection from side of glass substrate, opposite to side, on which coating is applied, achieved in wide range of viewing angles.

4 cl, 6 dwg