A glass substrate with a silica film according to the present invention includes a glass substrate and a silica film formed using a silica film-forming composition, in which the composition includes at least one kind selected from the group consisting of a hydrolyzable compound, a hydrolyzate thereof, and a hydrolysis condensation compound thereof, and at least one kind selected from the group consisting of a silica particle and a zirconia particle, the hydrolyzable compound consisting of a tetraalkoxysilane, a compound (compound I) represented by formula I: (R.sub.3-p(L).sub.pSi-Q-Si(L).sub.pR.sub.3-p), optionally a fluoroalkylsilane having a hydrolysable group, and optionally a zirconium compound having a hydrolyzable group, and the contents of the tetraalkoxysilane, the compound I, and the at least one kind selected from the group consisting of a silica particle and a zirconia particle in terms of SiO.sub.2/ZrO.sub.2 fall within specified ranges, respectively.

A glazing includes at least one transparent substrate comprising a first major surface and an opposing second major surface, wherein said first major surface is coated with an electrically conductive layer and the electrically conductive layer is absent in one or more regions of the first major surface. At least a portion of the one or more regions of the first major surface, and/or corresponding regions of the opposing second major surface, bears a low-emissivity material, and the one or more regions permit the passage of electromagnetic radiation through the glazing.

A preparation method for a high-refractive index hydrogenated silicon film, a high-refractive index hydrogenated silicon film, a light filtering lamination and a light filtering piece. The method includes: (a) by magnetic controlled Si target sputtering, Si deposits on a base body, forming a silicon film, which (b) forms an oxygenic hydrogenated silicon film in environment of active hydrogen and active oxygen, the amount of active oxygen accounts for 4%-99% of the total amount of active hydrogen and active oxygen, or, a nitric hydrogenated silicon film in environment of active hydrogen and active nitrogen, the amount of active nitrogen accounts for 5%-20% of the total amount of active hydrogen and active nitrogen. Sputtering and reactions are separately conducted, Si first deposits on the base body by magnetic controlled Si target sputtering, and then plasmas of active hydrogen and active oxygen/nitrogen react with silicon for oxygenic or nitric SiH.

Provided is a chalcogenide glass material having excellent weather resistance and being suitable as an optical element for an infrared sensor. The chalcogenide glass material contains, in terms of % by mole, 20 to 99% Te and has an antireflection film formed thereon.

A coated article includes a substrate and a coating over at least a portion of the substrate. The coating includes a first dielectric layer over at least a portion of the substrate; a first metallic layer over at least a portion of the first dielectric layer; a second dielectric layer over at least a portion of the first metallic layer; and an overcoat over at least a portion of the second dielectric layer. A light absorbing layer is between second dielectric layer and the overcoat or is part of the overcoat. The light absorbing layer includes Ge, GeO.sub.x, Hf, HfO.sub.x, HfO.sub.2, NbN.sub.x, NbN.sub.xO.sub.y, Si.sub.aAl.sub.b, Si.sub.aAl.sub.bO.sub.x, Si.sub.aCo.sub.b, Si.sub.aCo.sub.bO.sub.x, Si.sub.aCo.sub.bCu.sub.c, Si.sub.aCo.sub.bCu.sub.cO.sub.x, Si.sub.aCr.sub.b, Si.sub.aCr.sub.bO.sub.x, Si.sub.aNi.sub.b, SiNiO.sub.x, SiO.sub.x, SnN.sub.x, SnO.sub.x, SnO.sub.xN.sub.y, TiN.sub.x, Ti.sub.aNb.sub.bN.sub.x, Ti.sub.aNb.sub.bO.sub.x, Ti.sub.aNb.sub.bO.sub.xN.sub.y, TiO.sub.xN.sub.y, WO.sub.x, WO.sub.2, ZnO:Co, ZnO:Fe, ZnO:Mn, ZnO:Ni, ZnO:V, ZnO:Cr, Zn.sub.aSn.sub.b, Zn.sub.aSn.sub.bO.sub.x, or any combination thereof.

The present document discloses a glazing in the form of a window glass or vehicle glass which comprises a transparent substrate, and a coating. The coating comprises, in order outward from the transparent substrate, an optional diffusion barrier layer, a first anti-reflective layer, an optional first seed layer, a first functional metal layer, at least one optional first blocker layer, a second anti-reflective layer, an optional second seed layer, a second functional metal layer, at least one optional second blocker layer, a third anti-reflective layer, and an optional top layer, wherein at least one of the first functional metal layer and the second functional metal layer comprises a Ag alloy consisting essentially of Ag with an alloying agent selected from a group consisting of Li, C, Na, Mg, Si, K, Ca, Sc, Ti, V, Cr, Mn, Fe, Ni, Cu, Zn, Ge, Sr, Y, Zr, Nb, Mo, Rh, Pd, In, Sn, Sb, Hf, Ta, W, Pt or Au.

The object is to provide a mask blank substrate, a mask blank, and a transfer mask which can achieve easy correction of a wavefront by a wavefront correction function of an exposure apparatus. The further object is to provide methods for manufacturing them.

A virtual surface shape, which is an optically effective flat reference surface shape defined by a Zernike polynomial, is determined, wherein the Zernike polynomial is composed of only terms in which the order of variables related to a radius is second or lower order and includes one or more terms in which the order of the variables related to a radius is second-order; and the mask blank substrate, in which difference data (PV value) between the maximum value and the minimum value of difference shape between a virtual surface shape and a composite surface shape obtained by composing respective surface shapes of two main surfaces is 25 nm or less, is selected.

The present application provides a preparation method of a hydrogenated composite film and an optical filter, and relates to the field of optical film filter technologies. The preparation method includes: introducing inert gas and hydrogen into a reaction chamber, and bombarding at least two materials in the reaction chamber and the introduced hydrogen using plasma formed by the inert gas, such that the at least two materials are sputtered onto a substrate and react with hydrogen ions generated by the hydrogen to form a hydrogenated composite film layer. The hydrogenated composite film layer includes at least two materials which are co-sputtered onto the same substrate using the sputtering technology to obtain a required material performance, so as to obtain the hydrogenated composite film layer with a refractive index greater than 3.5 and an extinction coefficient less than 0.005 under a wavelength of 700 nm to 1800 nm.

The present invention relates to a glass member including a glass and a reflection sheet, in which the glass includes: a first surface; a second surface opposite to the first surface; at least one first end surface that is provided between the first surface and the second surface; and at least one second end surface that is provided between the first surface and the second surface and is different from the first end surface, the glass has an effective optical path length of 5 cm to 200 cm, the glass has an average internal transmittance of at least 80% in a visible light region over the effective optical path length, the second end surface has a surface roughness Ra of not higher than 0.8 μm, and the reflection sheet is disposed on the second end surface, and relates to a glass for use in the glass member.

Certain example embodiments relate to vending machines with large area transparent touch electrode (LATTE) technology, and/or associated methods. By using the low-E Ag-based coatings described herein, it is possible to create new vending machine user interfaces that are more interesting and interactive than conventional interfaces. Touch-based user interfaces may be useful in vending, attract, and game-playing modes into which example vending machines may be placed and under which they may be operated.