TH100480A - Butter-coated glass that reflects IR, is heat-transmittable, durable, and manufactured using the same method. - Google Patents

Abstract

A sputtered coating system consisting of a non-nitrided and non-oxidizing nickel or nickel alloy layer sandwiched between two layers of Si3N4 of the required thickness and used for architectural and automotive glass substrates. It exhibits a triangular E value sufficient to ensure product compatibility between heated and unheated products with the same coating.

Claims (14)

b) Subsequently, the coated glass material is subjected to a selection of heating methods, including bending, tempering, thermosolidification, and combinations thereof. After such heating, the resulting material exhibits a glass side reflectivity (Triangle EH) not exceeding approximately 2.0, a film side reflectivity (Triangle EH) not exceeding approximately 5.0, and the following characteristics both before and after heating: TY, approximately 1% - 80%; RGY, approximately 4% - 55%; RfY, approximately 4% - 65%; En, approximately 0.1-0.75; Eh, approximately 0.1-0.75; Rs, approximately 20 - 500 t/sq. 15. Methods of heating the coated glass material according to claim No. 14, in which the sputtering coating includes the application of layer (a) with a thickness of approximately 30-50 angstroms, the application of layer (b) with a thickness of approximately 50-100 angstroms, and the application of layer (c) at a thickness of approximately 300-400 angstroms and the glass material has the following characteristics both before and after heating: TY, less than approximately 70%, RGY, approximately 5% - 45%, RfY, approximately 5% - 45%, visible light ah approximately 0+2, bh approximately -4+4, En, approximately 0.2-0.75, Eh, approximately 0.2-0.75, Rs, approximately 20 - 300 t/sq and the said glass material both before and after heating is resistant to chemicals. 16. Method according to claim No. 15, in which such layer (b) is provided with a thickness of approximately 75 angstroms and the glass material both before and after heating has TY approximately 50%, visible light trigEH less than approximately 1.0, and glass reflection. Less than approximately 0.5 17. A method according to claim 15 in which such layer (b) is provided with a thickness of approximately 140 angstroms and the glass material both before and after heating has a TY of approximately 30%, visible transmittance trigEH less than approximately 3.0. 18. A method of producing a heated sputtered coated glass material that is compatible with an unheated sputtered coated glass material to have at least the same glass face characteristics. The procedure includes a) sputtering on at least each side of both glass systems of the layer according to claim 1; b) heating at least one of such sputtered coated glass materials to a selection of groups of bending, tempering, thermohardening and such combinations, in which at least one of such materials after heating exhibits a glass face reflectance trigEH not exceeding approximately 2.0 compared to the unheated material; the resulting heated sputtered coated material has the same glass face characteristics as the unheated sputtered coated material. 19. The method under claim 18, in which the glass material, both before and after heating, exhibits the following characteristics: TY, less than approximately 70%; RGY, approximately 5% - 45%; RfY, approximately 5% - 45%; Visible color ah, approximately 0+2; bh, approximately -4+4; En, approximately 0.2-0.75; Eh, approximately 0.2-0.75; Rs, approximately 20 - 300 tm/sq.m; and in which the heated material, after heating, exhibits the following characteristics when compared to the unheated material: Film reflection, triangle EH, not exceeding approximately 5.0; Visible reflection, triangle EH, not exceeding approximately 5.0. 20. The method under claim 18, in which the glass material, both before and after heating, exhibits the following characteristics when compared to the unheated material: Before and after heating, the glass material has the following characteristics: TY, approximately 50%; RGY, approximately 13%; RfY, approximately 10% - 11%; glass reflection: Triangle EH less than approximately 1.5; film reflection: Triangle EH less than approximately 4.0; visible transmittance: Triangle EH less than approximately 4.0; and the coated glass material is durable and chemically resistant. 21. Method according to claim 18, where the glass material, both before and after heating, has the following characteristics: TY, approximately 30%; RGY, approximately 20 - 21%; RfY, approximately 16%; glass reflection: Triangle EH less than approximately 2.0; film reflection: Triangle EH less than approximately 4.0; visible transmittance: Triangle EH less than approximately 3.0; and the coated glass material is durable and chemically resistant. (Clause 21, 6 pages, 1 figure) 1. Glass material, including a glass substrate with a sputtered layering system on it, consisting of, from the glass substrate outwards: a) an undercoat layer composed of silicon nitride, b) a pure metal layer including nickel or nickel alloy, and c) an overcoat layer composed of silicon nitride. Each of these layers is of sufficient thickness such that when the glass substrate is approximately 1.5 mm - 13 mm thick and the aforementioned layering system is applied to it, the heated glass material with these layers exhibits a triangular reflectance EH not exceeding approximately. 2. Glass materials as per claim number 1, for which the system class involves no money at all. 3. Glass materials as per claim 1, where layer (a) has a thickness of approximately 5-70 angstroms, layer (b) has a thickness of approximately 30-150 angstroms, and layer (c) has a thickness of approximately 200-500 angstroms. 4. Glass material as per claim 3, which, when heated, exhibits a triangular film reflectivity EH not exceeding approximately 5.0, a triangular visible transmittance EH not exceeding approximately 5.0, and the following characteristics both before and after heating: TY, approximately 1% - 80%; RGY, approximately 4% - 55%; RfY, approximately 4% - 65%; En, approximately 0.1-0.75; Eh, approximately 0.1-0.75; Rs, approximately 20 - 500 t³/sq.m. 5. The glass material under claim paragraph 3, where layer (a) has a thickness of approximately 3-50 angstroms, layer (b) has a thickness of approximately 50-100 angstroms, layer (c) has a thickness of approximately 300-400 angstroms, and the glass material has the following characteristics both before and after heating: TY, approximately 70%; RGY, approximately 5% - 45%; RfY, approximately 5% - 45%; Visible color ah, approximately 0+2; bh, approximately -4+4; En, approximately 0.2-0.75; Eh, approximately 0.2-0.75; Rs, approximately 20 - 300 t/sq.m. 6. Glass material as per claim 5, which is durable and resistant to chemicals and layer (b) contains no nitro whatsoever. 7. The glass material according to claim 5, such heating is tempering and layer (b) contains no oxides whatsoever. 8. The glass material according to claim 1, which layer (a) has a thickness of approximately 40 angstroms, layer (b) has a thickness of approximately 75 angstroms and consists of non-nitrided and non-oxidizing nichroma in a weight ratio of approximately 80:20 nickel to chromium, and layer (c) has a thickness of approximately 350 angstroms, and which the glass material, both before and after tempering, exhibits the following characteristics: TY, approximately 50%; RGY, approximately 13%; RfY, approximately 10% - 11%; glass reflection; triangle EH less than approximately 1.5; film reflection; triangle EH less than approximately 4.0; visible transmittance; triangle EH less than approximately 4.0. 9. Glass material according to claim number 8, in which the glass reflection (Triangle EH) is less than approximately 0.5, the film reflection (Triangle EH) is less than approximately 2.0, the visible transmittance (Triangle EH) is less than approximately 1.0, and such glass material is durable and chemically resistant. 10. The glass material according to claim 1, which layer (a) has a thickness of approximately 40 angstroms, layer (b) has a thickness of approximately 140 angstroms and consists of non-nitrided and non-oxidizing nichrome in a weight ratio of approximately 80:20 nickel to chromium, and layer (c) has a thickness of approximately 350 angstroms, and which the glass material has the following characteristics both before and after tempering, showing the following characteristics: TY, approximately 30%; RGY, approximately 20% - 21%; RfY, approximately 16%; glass reflection; triangle EH less than approximately 2.0; film reflection; triangle EH less than approximately 4.0; visible transmittance; triangle EH less than approximately 3.0, and which the glass material is durable and chemically resistant. 11. The glass material according to claims 5, 8 and 10, which is of silicon nitride, contains up to approximately 6% by weight of aluminum. The layering system contains no silver and consists of the aforementioned layers (a), (b) and (c), and the layering system is durable and resistant to chemicals. 12. Methods of heating the coated glass material consisting of a) sputtering coating on the glass material in layers according to claim I, and b) subsequent heating of the coated glass material by selection of groups consisting of bending, tempering, thermosolidification and such combinations, after which the resulting material exhibits a glass reflectivity triangle EH not exceeding approximately 2.0. 13. The method of heating the coated glass material under Patent 12, which includes tempering the glass by exposing it to an ambient temperature exceeding approximately 1200 degrees Fahrenheit and quenching it for a period of time to further temper it. 14. Methods of heating the coated glass material consisting of a) sputtering coating on the glass material, layering system according to Patent 3 and