HEAT-RESISTANT HIGHLY SELECTIVE ENERGY-SAVING BLUE COATING ON GLASS AND METHOD OF ITS PRODUCTION Russian patent published in 2019 - IPC C03C17/36 

FIELD: manufacturing technology.

SUBSTANCE: invention relates to energy-saving coatings. Coating comprises: first layer adjacent to surface of glass substrate and containing sub-stoichiometric nitride of aluminum-alloyed silicon Si-Al-N; a first contact layer containing oxide of tin-alloyed zinc Zn-Sn-O; a first catalytic layer containing oxide of aluminum-alloyed zinc Zn-Al-O; first silver Ag layer reflecting infrared radiation; a first barrier layer comprising a sub-stoichiometric oxide of nichrome Ni-Cr-O; a first covering layer containing oxide of aluminum-alloyed zinc Zn-Al-O; intermediate layer containing sub-stoichiometric nitride of aluminum Al-N; second contact layer containing oxide of tin-alloyed zinc Zn-Sn-O; a second catalyst layer containing oxide of aluminum-alloyed zinc Zn-Al-O; second layer of silver Ag; a second barrier layer comprising a sub-stoichiometric oxide of nichrome Ni-Cr-O; absorbing layer containing sub-stoichiometric nitride of tungsten WN; a second cover layer comprising sub-stoichiometric nitride of aluminum Al-N; protective layer acting as anti-propagation cracks and containing oxide of tin-alloyed zinc Zn-Sn-O.

EFFECT: providing stability with respect to prolonged effects of high temperatures, which is expressed by maintaining the minimum value of the glass substrate turbidity level based on the effect, sun-proof properties with respect to excessive thermal solar action with simultaneous maintenance of a satisfactory visible light transmission level, properties of energy efficiency in terms of reducing radiative heat losses during cold weather, and blue color reflection of the surface of the glass substrate on the side opposite to the side on which the thin-film energy-efficient optical coating is applied, achieved in a wide range of viewing angles.

4 cl, 6 dwg