Transparent substrate provided with a stack of thin layers, application to thermal insulation and/or solar control glazings
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United States of America Patent
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Jan 6, 2004
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app pub date -
Jul 20, 2001
filing date -
Aug 12, 1993
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Abstract
The invention relates to a transparent substrate, more particularly of glass and having multiple thin layers on which are successively deposited; i) a first dielectric material layer, ii) a first layer having infrared reflection properties, particularly based on metal, iii) a second dielectric material layer, iv) a second layer having infrared reflection properties, particularly based on metal, v) a third dielectric material year, characterized in that the thickness of the first layer having infrared reflection properties corresponding to about 50 to 80%, particularly 55 to 75% and preferably 60 to 70% of that of the second layer having infrared reflection properties.
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