Glazing provided with stacked thin layers which reflect infrared rays and/or solar radiation
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United States of America Patent
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Sep 1, 2009
Grant Date -
Nov 16, 2006
app pub date -
Jun 25, 2004
filing date -
Jun 26, 2003
priority date (Note) -
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Abstract
The invention relates to a glazing assembly comprising at least one transparent substrate, especially made of glass, provided with a thin-film multilayer comprising, in the following order starting from the substrate, at least: (a) a first dielectric layer comprising a barrier layer acting as a barrier to the diffusion of oxygen and chosen from silicon nitrides; (b) a lower stabilizing layer made of a metal or metal alloy X; (c) a functional layer having reflection properties in the infrared and/or in the solar radiation, especially a metal layer; (d) an upper metal blocking layer made of a metal or metal alloy Y; (e) a second dielectric layer comprising a barrier layer acting as a barrier to the diffusion of oxygen and chosen from silicon nitrides; and (f) optionally, a protective oxide layer; in which multilayer the metal or alloy X of the lower stabilizing layer is different from the metal or alloy Y of the upper blocking layer.
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