Method for manufacturing panes with high transmissivity in the visible range of the spectrum and with high reflectivity for thermal radiation
First Claim
1. Method for manufacturing panes of high transmissivity in the visible range of the spectrum and with a high reflectivity for thermal radiation, comprising:
- coating transparent substrates by cathode sputtering, to forma first layer of a material selected from the oxide group consisting of ZnO, SnO2, In2 O3, TiO2, ZrO2, Ta2 O5, SiO2, Al3 O3 and mixtures thereof and the nitride selected from the group consisting of AlN, Si3 N4 and mixtures thereof and oxynitride selected from the group consisting of aluminum oxynitride, titanium oxynitride, zirconium oxynitride and silicon oxynitride and mixtures thereof, with a thickness of 20 nm to 60 nm,a second layer of a metal selected from the group consisting of Ag, Cu and mixtures thereof, with a thickness of 5 to 30 nm,a third layer of a metal selected from the group consisting of Pd, Pt and mixtures thereof, with a thickness of 0.2 to 5 nm,a fourth layer of a material selected from the group consisting of a metal Ti, Cr and a mixture and suboxides thereof, in a thickness of 0.5 to 5 nm, anda fifth layer of a material that is the same as the first layer.
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Accused Products
Abstract
Method for the manufacture of panes with high transmissivity in the visible spectral range and with a high reflectivity for thermal radiation. The panes are coated by cathode sputtering. To the substrates S there is applied a first coating of a material of the oxide group ZnO, SnO2, In2 O3, TiO2, ZrO2, TaO5, SiO2, Al3 O3, or mixtures thereof, or of one of the nitrides AlN, Si3 N4 or their mixtures, or of aluminum oxynitride, titanium oxynitride, zirconium oxynitride or silicon oxynitride or their mixtures, in a thickness of 20 to 60 nm. A second layer 2 follows, of one of the metals Ag, Cu or mixtures thereof, in a thickness of 5 to 30 nm, a third layer 3 of one of the metals Pd or Pt or their mixtures, in a thickness of 0.2 to 5 nm, preferably 0.5 nm, and a fourth layer 4 which, as a metallic or suboxidic (less than stoichiometric) layer of one of the metals Ti, Cr or mixture thereof, or of an alloy with at least 15% of one of the metals, in a thickness of 0.5 to 5 nm, preferably 1.5 nm. Lastly, a fifth layer 5 is applied, of a metal that is the same as that of the first layer 1.
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Citations
7 Claims
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1. Method for manufacturing panes of high transmissivity in the visible range of the spectrum and with a high reflectivity for thermal radiation, comprising:
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coating transparent substrates by cathode sputtering, to form a first layer of a material selected from the oxide group consisting of ZnO, SnO2, In2 O3, TiO2, ZrO2, Ta2 O5, SiO2, Al3 O3 and mixtures thereof and the nitride selected from the group consisting of AlN, Si3 N4 and mixtures thereof and oxynitride selected from the group consisting of aluminum oxynitride, titanium oxynitride, zirconium oxynitride and silicon oxynitride and mixtures thereof, with a thickness of 20 nm to 60 nm, a second layer of a metal selected from the group consisting of Ag, Cu and mixtures thereof, with a thickness of 5 to 30 nm, a third layer of a metal selected from the group consisting of Pd, Pt and mixtures thereof, with a thickness of 0.2 to 5 nm, a fourth layer of a material selected from the group consisting of a metal Ti, Cr and a mixture and suboxides thereof, in a thickness of 0.5 to 5 nm, and a fifth layer of a material that is the same as the first layer. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification