Glazing comprising a protective coating
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United States of America Patent
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Oct 27, 2020
Grant Date -
Feb 1, 2018
app pub date -
Feb 23, 2016
filing date -
Feb 24, 2015
priority date (Note) -
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Abstract
A material includes a transparent substrate coated with a stack of thin layers including at least one silver-based functional layer, wherein the stack includes a protective coating deposited on top of at least one portion of the functional layer, the protective coating including: a lower protective layer having a thickness of between 1 and 10 nm, a central protective layer based on carbon graphite located on top of the lower protective layer, and an upper protective layer having a thickness of between 1 and 10 nm located on top of the central protective layer.
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