Agc Inc.

Nippon Steel Corporation

Asahi Glass Company, Limited

Yosuke Takeda

Toru Ikeda

Takaaki Murakami

Azusa Takai

Takamichi Shimosaka

Masanobu Isshiki

Yuji Arai

Daisuke Kobayashi

Keiichi Nakamura

Keiichi Kondo

Tomoyuki Kobayashi

Takashige Yoneda

Atsushi Ito

Hiroki Kamitani

Satoshi Kashiwabara

Minoru Tamada

Taro Oe

Takenori Kuramoto

Noriko Kishikawa

Jun Minamidate

Osamu Homma

Makoto Fukawa

The steel material according to the present disclosure consists of, in mass %, C: 0.15 to 0.45%, Si: 0.05 to 1.00%, Mn: 0.05 to less than 0.80%, P: 0.030% or less, S: 0.0100% or less, Al: 0.100% or less, Cr: 0.30 to 1.50%, Mo: 0.25 to 2.00%, Ti: 0.001 to 0.015%, N: 0.0100% or less, O: 0.0050% or less, V: 0 to 0.05%, Nb: 0 to 0.010%, B: 0 to less than 0.0005%, Ca: 0 to 0.0100%, Mg: 0 to 0.0100%, and rare earth metal: 0 to 0.0100%, with the balance being Fe and impurities. In the steel material, the grain size number of prior-austenite grains is less than 7.0, Formula (1) to Formula (4) described in the specification are satisfied, the yield strength is 896 MPa or more, and the absorbed energy at −10° C. is 95 J or more.

Steel material

A transparent substrate with an antiglare film, includes a transparent substrate having first and second main surfaces and an antiglare film formed on the first main surface. The antiglare film includes a low refractive index layer formed on the first main surface and a high refractive index layer formed in the low refractive index layer and having a refractive index different from that of the low refractive index layer. The low refractive index layer has nof 1.4 to 1.8. The high refractive index layer has nat least 0.1 higher than the n. The high refractive index layer has an area ratio of its portion where a surface inclination to the first main surface is 0.5° or less of 15% or less. An average length RSm of elements of a roughness curve of an outermost surface on a first main surface side is 50 μm or less.

Antiglare film having specified surface roughness and surface inclination

To provide an antiglare film-coated substrate that has an excellent antiglare property and reduced haze and through which cloudiness is not easily recognized visually on a black printed layer when the black printed layer is seen therethrough, for example, an antiglare film forming liquid composition for forming the antiglare film, and a method of producing an antiglare film-coated substrate. An antiglare film-coated substrateincludes a transparent substrate; and an antiglare filmprovided on the transparent substrate, in which the antiglare filmcontains silica as its main component and a CF(CH)-group where n is an integer of 1 to 6, and the antiglare filmhas surface roughness curve skewness Rsk of 1.3 or less and has arithmetic mean roughness Ra of 0.01 &#x3bc;m or more.

Antiglare film-coated substrate, antiglare film forming liquid composition, and method of producing antiglare film-coated substrate

To provide a translucent structure having a low haze factor and low sparkle. The translucent structure has an uneven structure at the surface thereof, wherein the uneven structure includes first convex portions, of which the diameters at a height of the bearing height+0.05 &#x3bc;m of the surface shape (a), obtainable by measuring the uneven structure by a laser microscope, are at least 1 &#x3bc;m, and in an image (c) in which a plurality of convex portions are scattered, obtained by filtering the surface shape (a) by image processing software to obtain a smoothing image (b), and subtracting XYZ data of the smoothing image (b) from XYZ data of the surface shape (a), said plurality of convex portions include second convex portions, of which the diameters at a height of 0.01 &#x3bc;m when the bearing height is deemed to be 0, are at least 0.4 &#x3bc;m, the density of the second convex portions is from 0.023 to 7.210 units/&#x3bc;m, and the proportion of the total area in cross-section at a height of 0.01 &#x3bc;m of the second convex portionsis from 0.900 to 90.000%.

Translucent structure

There are provided: a composition for forming a water repellent film that can form a water repellent film not only excellent in water repellency but also excellent in abrasion resistance, particularly in abrasion resistance evaluated under close-to-actual-use conditions where a light resistance test is combined; a water repellent film formed by using the composition for forming a water repellent film; a substrate with a water repellent film including the water repellent film provided on at least part of a substrate; and an article including the substrate with a water repellent film. The composition for forming a water repellent film contains, at a predetermined quantitative ratio of a hydrolyzable silane compound (1) having a perfluoroalkyl group and having no ether bond; and a compound (21) that has a poly(oxyfluoroalkylene) group and a plurality of hydrolyzable silyl groups with a specific structure and that has a number average molecular weight of 3000 or more.

Composition for forming water repellent film, water repellent film, substrate with water repellent film, and article

A method for evaluating a base material includes deforming a base material. The base material includes a bent portion, and includes a first main surface, a second main surface, and an end surface to change a curvature of the bent portion. The method further includes evaluating a surface state of the first main surface of the base material.

Base material evaluation method and curved glass evaluation device

The present invention relates to a translucent structure having a surface unevenness shape which has: an area ratio of surface flat regions in which an angle formed with a flat surface is in a range of 0&#xb0; to 0.5&#xb0; of in a range of 0% to 5.8%; a projection density of in a range of 0.0001/&#x3bc;mto 0.05/&#x3bc;m; a projection area ratio of in a range of 5.5% to 50%; a skewness Ssk which represents the degree of non-symmetry of in a range of &#x2212;0.5 to 1.1; a load area factor Smr1 at a boundary between a projected mountain portion and a core portion of in a range of 0% to 14.5%; and an arithmetic average surface roughness Sa of in a range of 0.06 &#x3bc;m to 0.143 &#x3bc;m.

A transparent substrate with a light-shielding layer, including: a transparent substrate including a first main surface and a second main surface; an infrared ray-transmitting layer that is disposed so as to be in contact with the first main surface of the transparent substrate, transmits an infrared ray, and shields a visible light; and a light-shielding layer that is disposed on the infrared ray-transmitting layer, includes an opening that exposes a part of the infrared ray-transmitting layer, and shields the visible light and the infrared ray, in which the light-shielding layer includes an end portion that projects from an end portion of the infrared ray-transmitting layer, that is closest to an outer circumference of the transparent substrate, and is in contact with an end face of the infrared ray-transmitting layer and the transparent substrate.

Transparent substrate with light-shielding layer, and vehicle interior member and display device using the same

A translucent structure includes a translucent substrate and an antireflection layer provided on a visible side of the translucent substrate so that reflectivity of the translucent structure based on an SCI method is 3% or less. A visible-side outermost surface of the translucent structure includes a concave and convex structure as follows. The concave and convex structure includes a first convex portion and a second convex portion. The first convex portion has a diameter exceeding 10 &#x3bc;m and 185 &#x3bc;m or less in a specific section, and a specific maximum height is 0.2 to 8 &#x3bc;m. The second convex portion has a diameter exceeding 1 &#x3bc;m in a specific section, the number thereof is 0.0001 to 1.2 per 1 &#x3bc;m, and a specific average height thereof is 0.1 to 8 &#x3bc;m.

Translucent structure, method for manufacturing same, and article

The present invention relates to a plate with a printed layer containing: a bent plate with a bent portion, including a first main surface, a second main surface and an end surface, and a printed layer formed on the first main surface, in which the printed layer has an average value (average OD value) of optical density (OD values) in visible light in a plane being 4 or more.

Plate with printed layer, manufacturing method thereof, and display device

There is provided a transparent substrate with an antifouling film that, when used as a cover member with an antifouling film of an electrostatic in-cell touch panel-type liquid crystal device, can reduce the whitening of a liquid crystal screen while fully maintaining an antifouling property and touch sensitivity. The transparent substrate with an antifouling film includes: a transparent substrate; and an antifouling film provided as an outermost layer on one main surface of the transparent substrate, wherein a surface shape of the antifouling film is a rugged shape whose arithmetic mean roughness Ra is 0.01 &#x3bc;m or more, and surface resistivity measured on the surface of the antifouling film is 1.0&#xd7;10to 1.0&#xd7;10&#x3a9;/.

Transparent substrate with antifouling film and capacitance in-cell touch panel-type liquid crystal display device

The translucent structure of the present invention has a haze of higher than 10% and at most 70% and has a concavo-convex structure on its surface. The concavo-convex structure has first convex portions having a diameter of larger than 10 &#x3bc;m in a cross section at a height of 0.05 &#x3bc;m+the bearing height of a surface shape, and second convex portions having a diameter of larger than 1 &#x3bc;m in a cross section at a height of 0.5 &#x3bc;m+the bearing height. The average diameter of the first convex portions is larger than 10 &#x3bc;m and at most 185 &#x3bc;m in a cross section at a height of 0.05 &#x3bc;m+the bearing height. The maximum height of the first convex portions is from 0.2 to 8 &#x3bc;m. The number of the second convex portions is from 0.0004 to 1.2 per 1 um.

Growing community of inventors

Tokyo, Japan

Yosuke Takeda