Coated article with low-E coating having zinc stannate based layer between IR reflecting layers for reduced mottling and corresponding method
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United States of America Patent
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Oct 17, 2017
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N/A
app pub date -
Apr 15, 2013
filing date -
May 22, 2009
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Abstract
A coated article is provided which may be heat treated (e.g., thermally tempered) and/or heat bent in certain example instances. In certain example embodiments, a zinc stannate based layer is provided between a tin oxide based layer and a silicon nitride based layer, and this has been found to significantly reduce undesirable mottling damage upon heat treatment/bending. This results in significantly improved bendability of the coated article in applications such as vehicle windshields and the like.
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