TOUGHENABLE COATED SUBSTRATE

• Main Author: OLDFIELD, John William
• Format: Patent
• Language: English; French; German
• Published: 08.06.2022
• Subjects: CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS; CHEMISTRY; GLASS; JOINING GLASS TO GLASS OR OTHER MATERIALS; METALLURGY; MINERAL OR SLAG WOOL; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS; SURFACE TREATMENT OF GLASS

The present invention relates to a toughenable coated float glass substrate, a method of preparing same and the use thereof, said float glass substrate comprising a first surface and a second surface, wherein at least a first surface of the coated glass substrate is coated with one or more layers applied by physical vapour deposition (PVD); and wherein said one or more layers applied by physical vapour deposition (PVD) includes at least one functional metal layer; and at least one absorbing layer based on Ti, V, Cr, Fe, or W, Ni Nb, and alloys thereof and nitrides; and wherein the second surface further comprises at least one protective layer applied in direct contact with the second surface of the glass substrate before deposition of the one or more layers applied by physical vapour deposition (PVD), and wherein the coated float glass substrate exhibits a transmission colour value according to the CIE colour space of less than or equal to 3 and a glass side reflection of less than or equal to -4.