A substrate is coated on one face with a thin-films stack having reflection properties in the infrared and/or in solar radiation including at least one metallic functional layer, based on silver or on a metal alloy containing silver, and at least two antireflection coatings. The coatings each include at least one dielectric layer. The functional layer is positioned between the two antireflection coatings. The stack also includes a terminal layer which is the layer of the stack which is furthest from the face. The terminal layer is a metallic layer consisting of zinc and tin, made of Sn.sub.xZn.sub.y with a ratio of 0.1≦x/y≦2.4 and having a physical thickness of between 0.5 nm and 5.0 nm excluding these values, or even between 0.6 nm and 2.7 nm excluding these values.

A material includes a glass sheet coated on at least part of one of its faces with a stack of thin layers, the stack being coated on at least part of its surface with an enamel layer including zinc and less than 5% by weight of bismuth oxide, the stack further including, in contact with the enamel layer, a layer, called contact layer, which is based on an oxide, the physical thickness of the contact layer being at least 5 nm.

The present invention relates to a transparent substrate comprising a multiple layer coating stack and the use of same in the manufacture of a double glazing unit, wherein the multiple layer coating stack comprises, n functional metal layer, m; and n plus 1 (n+1) dielectric layer, d, wherein the dielectric layers are positioned before and after each functional metal layer, and wherein n is the total number of functional metal layer in the stack counted from the substrate and is greater than or equal to 3; and wherein each dielectric layer comprises one or more layers, characterized in that the geometrical layer thickness of each functional metal layer in the coating stack Gm, is greater than the geometrical layer thickness of each functional metal layer appearing before it in the multiple layer coating stack, that is, Gmi+1>Gm.sub.i wherein i is the position of the functional metal layer in the coating stack counted from the substrate, and wherein for each dielectric layer d located before and after each functional metal layer m, the optical layer thickness of each dielectric layer (opln) is greater than or equal to the optical layer thickness of the dielectric layer (opln−1) positioned before it in the coating stack with the proviso that: twice the optical layer thickness of the first dielectric layer (opl.sub.1) in the coating stack, is less than the optical layer thickness of the second dielectric layer (opl.sub.2) in the coating stack, that is, (2×opl.sub.1)<opl.sub.2; and twice the optical layer thickness of the last dielectric layer (opl.sub.n+1) in the coating stack, is greater than the thickness of the optical layer thickness of the penultimate dielectric layer (opl.sub.n), that is, (opl.sub.n)<(opl.sub.n+1)×2.

Provided is a radiative cooling device that provides coloration of the radiative surface while maximally avoiding reduction in its radiative cooling performance due to absorption of solar light. An infrared radiative layer for radiating infrared light from a radiative surface and a light reflective layer disposed on the side opposite to the presence side of the radiative surface of the infrared radiative layer are provided in a mutually stacked state. The light reflective layer is arranged such that a first metal layer made of silver or silver alloy and having a thickness equal to or greater than 10 nm and equal to or less than 100 nm, a transparent dielectric layer and a second metal layer reflecting light transmitted through the first metal layer and the transparent dielectric layer are stacked in this order on the side closer to the infrared radiative layer. The transparent dielectric layer has a thickness that causes a resonance wavelength of the light reflective layer to be a wavelength included in wavelengths equal to or greater than 400 nm and equal to or less than 800 nm.

The invention relates to a technique of manufacturing a coated substrate (102) such as glass (104) carrying a conductive layer (112) such as a metal layer to be tempered after deposition. A system (100) for manufacturing the coated substrate (102) may comprise a sputtering configuration (120) adapted for depositing the conductive layer (112) on the substrate (104). A pulse laser (132) is adapted for irradiating the conductive layer (112) with laser pulses (136). The pulse laser (132) is adapted for laser pulses (136) with a pulse duration below one microsecond.

A substrate is coated on one face with a thin-films stack having reflection properties in the infrared and/or in solar radiation including a single metallic functional layer, based on silver or on a metal alloy containing silver, and two antireflection coatings. The coatings each include at least one dielectric layer. The functional layer is positioned between the two antireflection coatings. At least one of the antireflection coatings includes an intermediate layer including zinc oxide Zn.sub.1O.sub.1+x with 0.05<x<0.3 and having a physical thickness of between 0.5 nm and 20 nm, or between 2.5 nm and 10 nm.

A low-E coating supported by a glass substrate, the coating from the glass substrate outwardly including at least the following layers: a dielectric layer of or including silicon nitride; a high index layer having a refractive index of at least 2.1; another dielectric layer of or including silicon nitride; a layer comprising zinc oxide; an infrared (IR) reflecting layer, wherein the coating includes only one IR reflecting layer; and an overcoat including (i) a layer comprising tin oxide and (ii) a layer comprising silicon nitride located over and contacting the layer comprising tin oxide. An IG unit including the coating may have a visible transmission of at least 70%.

Certain example embodiments relate to ultra-fast laser treatment of silver-inclusive (low-emissivity) low-E coatings, coated articles including such coatings, and/or associated methods. The low-E coating is formed on a substrate (e.g., borosilicate or soda lime silica glass), with the low-E coating including at least one sputter-deposited silver-based layer, and with each said silver-based layer being sandwiched between one or more dielectric layers. The low-E coating is exposed to laser pulses having a duration of no more than 10.sup.−12 seconds, a wavelength of 355-500 nm, and an energy density of more than 30 kW/cm.sup.2. The exposing is performed so as to avoid increasing temperature of the low-E coating to more than 300 degrees C. while also reducing (a) grain boundaries with respect to, and vacancies in, each said silver-based layer, (b) each said silver-based layer's refractive index, and (c) emissivity of the low-E coating compared to its as-deposited form.

An insulating glass (IG) window unit including first and second glass substrates that are spaced apart from each other. At least one of the glass substrate has a triple silver low-emissivity (low-E) coating on one major side thereof, and a dielectric coating for improving angular stability on the other major side thereof

The presently claimed invention relates to a low-e coating (20) applied onto a glass (10), in order to provide neutrality at first sight from inside and outside of automotive and architectural glasses.