Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...
Patent
1997-02-07
2000-02-01
Thibodeau, Paul
Stock material or miscellaneous articles
All metal or with adjacent metals
Composite; i.e., plural, adjacent, spatially distinct metal...
428632, 428673, 428436, 428432, 428433, 428469, B32B 1706, C03C 2702
Patent
active
060200774
ABSTRACT:
The invention relates to a transparent substrate, in particular glass substrate, provided with a thin-film stack including at least one metal film with properties in the infrared, in particular a low-emissivity one, arranged between two coatings which each include at least one anti-reflection film based on dielectric material, and at least one protective film based on a sacrificial metal or a partially or fully oxidized sacrificial metal or a sacrificial metal alloy placed between the said metal film and one of the said coatings. According to the invention, the film placed directly below and/or above the said metal film contains at least one of the noble metals Pd, Au, Ir, Pt and Rh. The low-level addition of one or more of these metals to the others, namely the film placed below and/or above the metal film, leads to an increase in the chemical stability and the hardness of the thin-film stack.
REFERENCES:
patent: 5110662 (1992-05-01), Depauw et al.
patent: 5279722 (1994-01-01), Szczyrbowski et al.
patent: 5296302 (1994-03-01), O'Shaughnessy et al.
patent: 5376455 (1994-12-01), Hartig et al.
Ditzel Gerhard
Haussler Wulf
Kaiser Wilfried
Schicht Heinz
Schindler Herbert
Rickman Holly C.
Saint-Gobain Vitrage
Thibodeau Paul
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