摘要 |
<p>A transparent glass substrate ( 1, 1', 1 '') coated with one or more thin layers ( 6, 16, 28 ) is disclosed, wherein the thin layer most distant from the glass substrate is a composition comprising silicon nitride, carbonitride, oxynitride or oxycarbonitride, said thin layer most distant from the glass substrate being covered by a second layer ( 7, 17 ) which protects against high-temperature corrosion.</p> |