Importance

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Abstract

The energy saving glass comprises a substantially mutually parallel first surface and second surface, and the glass mass of the energy saving glass contains a solar radiation energy absorbing agent. The solar radiation energy absorbing agent is present in a layer of the glass mass which is close to the first surface, in which layer the concentration of the radiation energy absorbing agent substantially decreases when proceeding from the first surface deeper into the glass mass, such that the absorbing agent is present at the depth of at least 0.1 micrometres and not more than 100 micrometres as measured from the first surface of the glass. In the method, a layer of particulates is grown on the first surface of the glass, which particulates include at least one element or compound of the elements and diffuse and/or dissolve into the surface layer of the glass. At least one element dissolving from the particulates modifies the surface layer of the glass such that the solar radiation energy absorbing layer is formed on the surface, in which layer the concentration of said at least one element substantially decreases from the surface of the glass deeper into the glass, such that the element is present at the depth of at least 0.1 micrometres and not more than 100 micrometres as measured from the surface of the glass.

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First Claim