Abstract: The present invention relates to a glass substrate provided with a stack of thin coating layers formed by a first layer of anti-reflective dielectric material, with a refractive index of 1.65 to 2.65, located above the glass substrate. At least one structure of two layers formed by a first layer of an anti-reflective transparent dielectric material with a refractive index of 1.32 to 1.55, located in the bottom position, and a second layer of a metal functional layer with reflective properties in the infrared range, located in the top position, said structure being located above the first layer of anti-reflective dielectric material. A second layer of absorbent material forming an anti-corrosion barrier for protecting the metal functional layer against oxidation and corrosion. A third layer of an anti-reflective material, said layer being selected from a metal oxide with a refractive index of 1.32 to 1.55, a metal oxide with a refractive index of 1.65 to 1.

Abstract: A Green thermo-absorbent glass which includes a basic composition of lime glass, which consists essentially, by weight, of: 0.86 to 0.91% of total iron expressed as Fe.sub.2 O.sub.3 ; 23.5 to 26% of Fe.sup.-2 and 0.202 to 0.237% of FeO, expressed as Fe.sub.2 O.sub.3 ; a critical amount of 0.15 to 0.18% of SO.sub.3 which does not affects the refining properties and ability of the SO.sub.3 to eliminate bubbles, and in the absence of CeO.sub.2 ; the green glass having a visible light transmission greater than 70%, an ultra-violet radiation transmission greater than 38% and less than 40%, an infra-red radiation transmission greater than 21% and less than 26.5%. and a total solar transmission greater than 41 and less than 47%, without affecting the refining properties and ability of the SO.sub.3 to eliminate bubbles.