A glass article is provided (and methods of making the same) that includes: a glass substrate comprising a thickness and a first primary surface; and a porosity-graded layer that extends from the first primary surface of the substrate to a first depth within the substrate. The first depth is from about 250 nm to about 3000 nm. The porosity-graded layer comprises a plurality of pores having an average pore size from about 5 nm to 100 nm. The article comprises a single-side average reflectance of less than 9% at an incident angle of 60 degrees across a spectrum from 350 nm to 2000 nm. Further, the porosity-graded layer comprises a surface porosity at the first primary surface and a bulk porosity at the first depth, the surface porosity greater than the bulk porosity.

An article comprises a body having a coating. The coating comprising a mixture of a first oxide and a second oxide. The coating includes a glaze on a surface of the coating, the glaze comprising a eutectic system having a super-lattice of a first fluoride and a second fluoride.

The invention concerns a method for producing an optical article suitable for edging comprising an antifouling layer on which there is deposited a temporary overlayer for assisting with edging, comprising: depositing, on an optical substrate, an organic antifouling layer comprising at least a fluorinated polymer compound comprising hydrolysable functions; and depositing, on the antifouling layer, an overlayer for assisting with edging, of mineral nature, comprising one or more metal fluorides and/or one or more metal oxides or hydroxides;

method characterised in that it further comprises a step of accelerated grafting of the antifouling layer chosen from:

(a) a treatment of the deposited antifouling layer in a humid atmosphere of the deposited antifouling layer and

(b) a catalytic treatment in the acidic or basic vapour phase of the deposited antifouling layer.

An optical thin film provided on a base substrate, includes a layer whose main component is ytterbium oxide, and a layer whose main component is magnesium fluoride. The layer whose main component is magnesium fluoride disposed on the layer whose main component is ytterbium oxide. The layer whose main component is magnesium fluoride is positioned opposite from the base substrate with respect to the layer whose main component is ytterbium oxide.

The present invention aims to provide a vehicular exterior member that is excellent in strength and cost, and sufficiently ensures a viewing field of sharpness of a thermal image obtained by a far-infrared camera. A vehicular exterior member that includes a light blocking region and is configured to be attached to a vehicle equipped with a far-infrared camera. The vehicular exterior member further includes, in the light blocking region, a far-infrared ray transmitting region having an opening and a far-infrared ray transmitting member disposed in the opening. An average transmittance of far-infrared rays having a wavelength ranging from 8 to 13 μm of the far-infrared ray transmitting member is equal to or larger than 25%. A length of the longest straight line in straight lines connecting any desired two points on a surface on a vehicle exterior side of the far-infrared ray transmitting member is equal to or smaller than 80 mm. A diameter of the largest circle in circles formed in a projected shape obtained by projecting the far-infrared ray transmitting member in an optical axis direction of the far-infrared camera is equal to or larger than 12 mm. An average thickness of the far-infrared ray transmitting member is equal to or larger than 1.5 mm.

An optical lens with an antireflective film includes: a lens substrate; and an antireflective film disposed on the lens substrate. The antireflective film is formed of layers each having a physical thickness of 140 nm or less. In order from an air side, the antireflective film has: a first layer formed as an MgF.sub.2 layer, a second layer, a fourth layer, a sixth layer, an eighth layer, and a tenth layer each having a refractive index of 2.0 or more and 2.3 or less, and a third layer, a fifth layer, a seventh layer, and a ninth layer each formed as an SiO.sub.2 layer.

An optical lens with an antireflective film includes: a lens substrate; and an antireflective film disposed on the lens substrate. The antireflective film is formed of layers each having a physical thickness of 140 nm or less. In order from an air side, the antireflective film has: a first layer formed as an MgF.sub.2 layer, a second layer, a fourth layer, a sixth layer, an eighth layer, and a tenth layer each having a refractive index of 2.0 or more and 2.3 or less, and a third layer, a fifth layer, a seventh layer, and a ninth layer each formed as an SiO.sub.2 layer.

This optical thin film is provided on a substrate, the optical thin film having a silicon oxide layer containing an oxide of silicon (Si), and a water repellent layer is contains a fluoride and is provided on the silicon oxide layer, the hardness of the silicon oxide layer measured by nanoindentation being 9 GPa or greater, and the arithmetic mean roughness of the water repellent layer measured by AFM being 0.7 nm or greater.

A medical glass container, a coat is formed on at least a part of an inner wall of the glass container, wherein the coat is a diamond-like carbon film that does not contain silicon.

The invention concerns a method for producing an optical article suitable for edging comprising an antifouling layer on which there is deposited a temporary overlayer for assisting with edging, comprising: depositing, on an optical substrate, an organic antifouling layer comprising at least a fluorinated polymer compound comprising hydrolysable functions; and depositing, on the antifouling layer, an overlayer for assisting with edging, of mineral nature, comprising one or more metal fluorides and/or one or more metal oxides or hydroxides; method characterised in that it further comprises a step of accelerated grafting of the antifouling layer chosen from: (a) a treatment of the deposited antifouling layer in a humid atmosphere of the deposited antifouling layer and (b) a catalytic treatment in the acidic or basic vapour phase of the deposited antifouling layer.