A glass-based preform for a mirror of a heads-up display (HUD) system, including a glass-based substrate having a first major surface, a second major surface opposite to the first major surface, and a minor surface connecting the first and second major surfaces; a first chamfer at an edge of the first major surface, the first chamfer having a first end at an intersection of the first chamfer and the first major surface and having a second end at an intersection of the first chamfer and the minor surface; and a second chamfer at an edge of the second major surface, the second chamfer having a first end at an intersection of the second chamfer and the second major surface and having a second end at an intersection of the second chamfer and the minor surface. The first chamfer has a different size or shape from the second chamfer.

The present document discloses a glazing in the form of a window glass or vehicle glass which comprises a transparent glass substrate, and a coating, which comprises at least one functional metal Ag alloy coating layer. The alloy coating layer consists essentially of Ag with an alloying agent selected from a group consisting of Mg, Al, Si, Ca, Ti, V, Cr, Mn, Fe, Ni, Cu, Zn, Ge, Zr, Nb, Mo, In, Sn, Hf, Ta or W. An alloying agent concentration is 0.15-1.35 at. %, preferably 0.20-1.00 at. % or 0.25-0.80 at. % of the Ag alloy coating layer, the rest being Ag, and the Ag alloy coating layer has a thickness of 5-20 nm, preferably 8-15 nm or more preferably 8-12 nm.

The present document discloses a glazing in the form of a window glass or vehicle glass which comprises a transparent glass substrate, and a coating, which comprises at least one functional metal Ag alloy coating layer. The alloy coating layer consists essentially of Ag with an alloying agent selected from a group consisting of Mg, Al, Si, Ca, Ti, V, Cr, Mn, Fe, Ni, Cu, Zn, Ge, Zr, Nb, Mo, In, Sn, Hf, Ta or W. An alloying agent concentration is 0.15-1.35 at. %, preferably 0.20-1.00 at. % or 0.25-0.80 at. % of the Ag alloy coating layer, the rest being Ag, and the Ag alloy coating layer has a thickness of 5-20 nm, preferably 8-15 nm or more preferably 8-12 nm.

Method for making an eyeglass lens coated by means of physical vapor deposition PVD, such method comprising a step of arranging a lens blank, provided with a first centering reference, a step of arranging a support body, provided with a first shaped and through opening oriented with respect to a second centering reference thereof, and a step of arranging a centering template. The present method then comprises an assembly step of the lens blank with the support body and of the support body with the centering template. Subsequently, the present method comprises a step of coating the lens blank by means of physical vapor deposition PVD, and finally comprises a cutting step in which the lens blank is cut along a cutting profile shaped in eyeglass lens form and oriented with respect to the first centering reference.

A glass carrier-attached copper foil is provided that can achieve a desired circuit mounting board that reduces separation of a copper layer at the cut edge even if the copper foil is downsized to dimensions enabling mount of a circuit, and has an intended circuit pattern with a fine pitch. The glass carrier-attached copper foil includes a glass carrier, a release layer, and a copper layer with a thickness of 0.1 to 3.0 μm. The glass carrier has, at least on its surface having the copper layer thereon, a plurality of flat regions each having a maximum height Rz of less than 1.0 μm as measured in accordance with JIS B 0601-2001 and a rough region having a maximum height Rz of 1.0 to 30.0 μm as measured in accordance with JIS B 0601-2001. The rough region has a pattern of lines that define the flat regions.

A glass carrier-attached copper foil is provided that can achieve a desired circuit mounting board that reduces separation of a copper layer at the cut edge even if the copper foil is downsized to dimensions enabling mount of a circuit, and has an intended circuit pattern with a fine pitch. The glass carrier-attached copper foil includes a glass carrier, a release layer, and a copper layer with a thickness of 0.1 to 3.0 μm. The glass carrier has, at least on its surface having the copper layer thereon, a plurality of flat regions each having a maximum height Rz of less than 1.0 μm as measured in accordance with JIS B 0601-2001 and a rough region having a maximum height Rz of 1.0 to 30.0 μm as measured in accordance with JIS B 0601-2001. The rough region has a pattern of lines that define the flat regions.

A laminate including a glass plate and a coating layer, wherein the coating layer includes one or more components selected from the group consisting of silicon nitride, titanium oxide, alumina, niobium oxide, zirconia, indium tin oxide, silicon oxide, magnesium fluoride, and calcium fluoride, wherein a ratio (dc/dg) of a thickness dc of the coating layer to a thickness dg of the glass plate is in a range of 0.05×10.sup.−3 to 1.2×10.sup.−3, and wherein a radius of curvature r1 of the laminate with negating of self-weight deflection is 10 m to 150 m.

The present disclosure relates to a metasurface structural body or the like having a structure for achieving desired optical characteristics. The metasurface structural body includes a base member having a first surface and a second surface opposing each other, and a plurality of antennas as a plurality of fine structures arranged along the first surface. The base member has a base portion and an adjacent portion. The antennas each has a first refractive index and an antenna end surface constituting a part of the first surface. The adjacent portion is provided such that a part thereof is positioned between the antennas, the adjacent portion having a second refractive index different from the first refractive index and an adjacent-portion end surface constituting a remaining part of the first surface. The antenna end surfaces and the adjacent-portion end surface form a flat surface as the first surface.

The present disclosure relates to a metasurface structural body or the like having a structure for achieving desired optical characteristics. The metasurface structural body includes a base member having a first surface and a second surface opposing each other, and a plurality of antennas as a plurality of fine structures arranged along the first surface. The base member has a base portion and an adjacent portion. The antennas each has a first refractive index and an antenna end surface constituting a part of the first surface. The adjacent portion is provided such that a part thereof is positioned between the antennas, the adjacent portion having a second refractive index different from the first refractive index and an adjacent-portion end surface constituting a remaining part of the first surface. The antenna end surfaces and the adjacent-portion end surface form a flat surface as the first surface.

A method of depositing a copper film on a major surface of a glass sheet includes determining a desired range of a property of the copper film, correlating a thermal history of the glass sheet to the desired range of the property of the copper film, and depositing the copper film on the major surface of the glass sheet, wherein the property of the copper film deposited on the glass sheet is within the desired range. Correlating the thermal history of the glass sheet to the desired range of the property of the copper film can include heat treating glass sheet prior to depositing the copper film on the glass sheet.