Low emissivity coating with low solar heat gain coefficient, enhanced chemical and mechanical properties and method of making the same
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United States of America Patent
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Jun 30, 2015
Grant Date -
Jun 9, 2011
app pub date -
Feb 2, 2011
filing date -
Nov 23, 2007
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Abstract
The invention provides low-emissivity stacks being characterized by a low solar heat gain coefficient (SHGC), enhanced aesthetics, mechanical and chemical durability, and a tolerance for tempering or heat strengthening. The invention moreover provides low-emissivity coatings comprising, in order outward from the substrate a first dielectric layer; a first nucleation layer; a first Ag layer; a first barrier layer; a second dielectric layer; a second nucleation layer; a second Ag layer; a second barrier layer; a third dielectric layer; and optionally, a topcoat layer, and methods for depositing such coatings on substrates.
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