A glazing can be used as a constituent element of a heating device or of a fireproof door. The glazing includes a transparent substrate coated with a stack of thin layers including at least one silver-based functional metal layer and an upper protective layer based on zirconium titanium oxide.

A transparent substrate with a thin film multilayer coating, and the thin film multilayer coating includes a lower dielectric layer, a lower metal protective layer, a metal functional layer having an infrared reflecting function, an upper metal protective layer, and an upper dielectric layer, which are sequentially laminated on the transparent substrate, wherein the lower metal protective layer is thicker than the upper metal protective layer, and the thickness of the upper metal protective layer is 0.3 nm to 0.7 nm.

A material includes a glass sheet coated on at least part of one of its faces with a stack of thin layers, the stack being coated on at least part of its surface with an enamel layer including zinc and less than 5% by weight of bismuth oxide, the stack further including, in contact with the enamel layer, a layer, called contact layer, which is based on an oxide, the physical thickness of the contact layer being at least 5 nm.

A glass frit for forming a black enamel coating includes Si at 6.5 mol % to 6.9 mol %, B at 9.0 mol % to 9.3 mol %, Bi at 13.0 mol % to 13.4 mol %, Zn at 6.0 mol % to 6.3 mol %, and Al at 1.5 mol % to 2.0 mol %, and Co, Ni, and Fe, wherein a total amount of Co, Ni, and Fe is 2.9 mol % to 3.5 mol % of the glass frit in a molar ratio.

A process for obtaining a material including a substrate coated on one of its sides with a coating including a functional layer, includes depositing the functional layer on the substrate, then depositing an absorbent layer on top of the functional layer, then performing a heat treatment by radiation, the radiation having at least one treatment wavelength between 200 and 2500 nm, the absorbent layer being in contact with air during the heat treatment, wherein the ab sorb ent layer ab sorbs at least 80% of the radiation used during the heat treatment and transmits less than 10% thereof.

Provided is a transparent substrate with a multilayer thin film coating. The multilayer thin film coating includes a lower dielectric layer, a lower protective layer, a metal functional layer having an infrared reflection function, an upper protective layer, and an upper dielectric layer, which are sequentially laminated from the transparent substrate, the lower dielectric layer includes at least one barrier layer and at least one impurity collection layer, and the thickness of the metal function layer is 12 nm or more.

Provided is a transparent substrate with a multilayer thin film coating, in which the multilayer thin film coating includes a lower dielectric layer, a lower protective layer, a metal functional layer having an infrared reflection function, an upper protective layer, and an upper dielectric layer, which are sequentially laminated on the transparent substrate, the thickness of the metal function layer is 12 nm or more, and the thickness of the lower protective layer is larger than that of the upper protective layer and the thickness of the lower protective layer is 2 nm or more.

A cooking apparatus capable of satisfying a heat reflection function while securing a transmittance by applying a variable layer to a glass sheet forming a door includes a cooking chamber, and a door configured to open and close the cooking chamber and provided with a plurality of glass sheets, the door including a variable layer provided on at least one of the plurality of glass sheets and a visible light transmittance variable depending on a temperature.

A heating device equipped with a chamber defining a cavity, includes a door or wall incorporating a triple glazing including three transparent substrates defining, from the interior to the exterior of the cavity, faces numbered 1 to 6 respectively, at least the faces 1 and 2 of the first substrate and 3 and/or 4 of the second substrate being covered with heat-reflecting coatings, wherein the mean spacing e1 between the first substrate and the second substrate and the mean spacing e2 between the second substrate and the third substrate is different, the ratio between the largest spacing and the smallest spacing being greater than 1.1, and e1 and e2 being between 2 and 20 mm.

A cover panel for a fitout article or article of equipment for a kitchen or laboratory is provided. The cover panel includes a glass or glass ceramic substrate and a coating on one side of the substrate. The substrate and the coating together have a light transmittance of 1% to 70%. The coating has a colour locus in the CIELAB colour space within the range of coordinates L* of 20 to 65, a* of −6 to 6 and b* of −6 to 6. The colour locus of the D65 standard illuminant light, after passing through the substrate and the coating, is within a white region W1 determined in the chromaticity diagram CIExyY-2° by the following coordinates: TABLE-US-00001 White region W1 x Y 0.27 0.21 0.22 0.25 0.32 0.37 0.45 0.45 0.47 0.34 0.36 0.29.