Abstract: A sound insulation device includes: a glass sheet composite including a plurality of glass plates being laminated, and partitioning an interior space and an exterior space; a vibration output unit vibrating the glass sheet composite according to an input signal; an exterior sound detection unit detecting a sound from a noise source or a vibration source and outputting a reference signal according to a detection result, the sound being correlated with a sound wave vibration induced in the glass sheet composite; an interior sound detection unit detecting a sound in the interior space and outputting an error signal according to a detection result; and a control unit including an adaptive filter that generates a cancel signal having a phase opposite to a phase of the reference signal to minimize the error signal, and outputting the cancel signal from the adaptive filter to the vibration output unit.

Abstract: An antenna system for vehicles includes a first antenna attached in a vicinity of a windshield of a vehicle; and a second antenna attached in a vicinity of a rear glass of the vehicle, wherein the first antenna and the second antenna are configured to transmit and receive an electromagnetic wave in a predetermined frequency band F, and wherein defining a region A and a region B with respect to a vehicle center axis extending in a traveling direction of the vehicle, so as to bisect a vehicle width of the vehicle from a viewpoint in a direction normal to a horizontal plane, the first antenna is arranged in the region A, and the second antenna is arranged in the region B.

Abstract: Provided are a cross-linked fluorine-containing copolymer product having both excellent short-term and long-term heat resistance, and a fluorine-containing copolymer composition that can be used to preferably produce such a cross-linked product. A cross-linked fluorine-containing copolymer product comprising an indole ring, and a fluorine-containing copolymer composition comprising: a fluorine-containing copolymer comprising a constituent unit (A) derived from tetrafluoroethylene, a constituent unit (B) derived from at least either of perfluoro (alkyl vinyl ether) and perfluoro (butenyl vinyl ether), and a constituent unit (C) derived from a fluorine-containing compound having a carbon-carbon double bond and a —C(?O)CH2— group; and a compound (D) having a specific structure.

Abstract: An object is to provide a small directional antenna. A radio wave deflection element is formed as a plate-like member including a plurality of stacked dielectric layers, having a principal surface perpendicular to a first direction, and having a longitudinal direction in a second direction perpendicular to the first direction; and a radio wave source is disposed so as to be separated from the radio wave deflection element in the first direction and offset from a center of the radio wave deflection element by a predetermined distance in the first direction, and configured to emit a radio wave to the radio wave deflection element. Dielectric constants of the plurality of dielectric layers decrease in a stepwise manner as a distance from the center of the radio wave deflection element increases in the first direction.

Abstract: To provide a fluorinated copolymer with which a powder coating material excellent in blocking resistance can be obtained, a method for producing the fluorinated copolymer, a composition, a powder coating material, and a coated article. The fluorinated copolymer of the present invention is a fluorinated copolymer having units based on chlorotrifluoroethylene and units based on a vinyl ether, wherein the proportion of components having a molecular weight of 1100 or less, as obtained from an integral molecular weight distribution curve, is 0.6% or less, and the molecular weight distribution is 2.0 to 3.2.

Abstract: An anti-reflective laminate includes: a substrate; and an anti-reflective layer having a four-layer structure including a first refractive index layer, a second refractive index layer, a third refractive index layer, and a fourth refractive index layer. The first refractive index layer has a refractive index of 1.25 to 1.50, the second refractive index layer has a refractive index of 1.50 to 2.40, the third refractive index layer has a refractive index of 2.25 to 2.45, and the fourth refractive index layer has a refractive index of 1.25 to 1.50. The first refractive index layer has a thickness of 40 to 105 nm, the second refractive index layer has a thickness of 60 to 90 nm, the third refractive index layer has a thickness of 80 to 110 nm, and the fourth refractive index layer has a thickness of 70 to 100 nm.

Abstract: An antenna including: a radiating plate having a radiating surface; a ground plate disposed on the radiating plate with a dielectric interposed therebetween; and a parasitic element including: a first parasitic conductor disposed in a first direction with respect to a center of gravity of the radiating plate in a plan view of the radiating plate; a second parasitic conductor disposed in a second direction opposite to the first direction with respect to the center of gravity of the radiating plate in a plan view of the radiating plate; and a third parasitic conductor connecting the first parasitic conductor and the second parasitic conductor, in which the third parasitic conductor includes a portion that passes in a vicinity of the center of gravity of the radiating plate and extends in the first direction and the second direction in a plan view of the radiating plate.

Abstract: Provided are a fluorine-containing compound suitable to produce rubber having both excellent short-term and long-term heat resistance, a fluorine-containing copolymer using such a compound, and a fluorine-containing copolymer composition. A fluorine-containing compound represented by formula (1) below, a fluorine-containing copolymer using such a compound, and a fluorine-containing copolymer composition. In formula (1), R1 to R3 are each independently a hydrogen atom or a fluorine atom; R4 is a hydrogen atom, a fluorine atom, or a C1-8 monovalent organic group free from a carbonyl group; Z is an oxygen atom, a sulfur atom, or —N(R5)— where R5 is a hydrogen atom or a C1-4 monovalent organic group; X is a single bond or a difluoromethylene group; Y1 to Y4 are each independently a fluorine atom or a trifluoromethyl group; and Q is a C1-8 perfluoroalkylene group optionally containing an etheric oxygen atom.

Abstract: Laminated glass for a vehicle includes a vehicle-interior side glass plate, a vehicle-exterior side glass plate, an interlayer film that bonds the vehicle-interior side glass plate and the vehicle-exterior side glass plate, and a structure sealed in the interlayer film. The interlayer film includes a first interlayer film bonded to the vehicle-interior side glass plate, a second interlayer film bonded to the vehicle-exterior side glass plate, and a third interlayer film located between the first interlayer film and the second interlayer film to enclose an outer periphery of the structure. Where a film thickness of the first interlayer film or the second interlayer film, whichever is thinner, is denoted as ti, and a thickness of the structure is denoted as ts, ti/ts?0.4 is satisfied. Where a flexural modulus of the structure is denoted as E1 [MPa], a relationship between ts and E1 satisfies E1×ts3?500.

Abstract: The present invention relates to a heat ray reflecting substrate including: a dielectric substrate; and a heat ray reflecting film formed on at least one main surface of the dielectric substrate, in which the heat-ray reflecting substrate has a radio wave transmitting region in at least a part of the at least one main surface of the dielectric substrate in a plan view, the radio wave transmitting region includes a slit portion where the heat ray reflecting film is not present, and in the radio wave transmitting region, a solar heat gain coefficient (g0) in a region including no slit portion and a solar heat gain coefficient (g1) in a region including the slit portion satisfy the following formula (a): g1<(1?f2)·g0+f2? (a), provided that f2 is a designed aperture rate, and ? is a solar heat gain coefficient of the dielectric substrate.

Abstract: There is provided a vehicle glass that appropriately transmits far-infrared rays and has shock resistance. A vehicle glass (1) includes a glass member (10) in which an opening (19) penetrating the glass member (10) from a surface on a vehicle exterior side to a surface on a vehicle interior side is formed and a transmissive member (20) that is disposed in the opening (19), and has an average internal transmittance of 50% or more for light having a wavelength of 8 ?m to 13 ?m. A ratio Sa/Sb of fracture velocity Sa [km/h] measured on a surface on the vehicle of the transmissive member (20) by a chart stone chipping test and fracture velocity Sb [km/h] measured on the surface on the vehicle exterior side of the glass member (10) is 0.7 or more.

Abstract: A sulfide-based solid electrolyte powder emits photo-luminescence light between a wavelength of 660 nm to 750 nm. A photo-luminescence peak ratio may be 0.2 or more in a Raman spectrum obtained by excitation with light having a wavelength of 532 nm as represented by the following formula: Photo-luminescence peak ratio=integrated intensity of peak in Raman shift region of 4300 cm?1 to 4500 cm?1/integrated intensity of peak in Raman shift region of 400 cm?1 to 450 cm?1.

Abstract: The present invention relates to a chemically strengthened glass satisfying A1 [MPa] of 600 or more, A2 [MPa] of 50 or more, B1 [?m] of 6 or less, B2 [?m] of 10% or more of t [?m], C [MPa] of ?30 or less, and A1/B1 [MPa/?m] of 100 or more when the chemically strengthened glass has a thickness t [?m] and a profile of a stress value [MPa] at a depth×[?m] from a glass surface is approximated by an error least-squares method in a region of 0<x<3t/8 using the following function while defining a compressive stress as positive and a tensile stress as negative: A1erfc(x/B1)+A2erfc(x/B2)+C, in which erfc is a complementary error function, and relations of A1>A2 and B1<B2 are satisfied.

Abstract: A glass contains ytterbium and has a transmittance of 30% or less for light having a wavelength of 940 nm in terms of a thickness of 0.4 mm. The glass may have a transmittance of 78% or more for light having a wavelength of 850 nm in terms of a thickness of 0.4 mm.

Abstract: An optical filter includes: a dielectric multilayer film 1; a substrate comprising a near-infrared ray absorbing glass and a resin film; and a dielectric multilayer film 2 in this order. The resin film comprises a near-infrared ray absorbing dye and a resin, the near-infrared ray absorbing glass is a fluorophosphate glass containing P, Cu, and F, and the optical filter satisfies all of the spectral characteristics (i-1) to (i-3), (i-5), and (i-13).

Abstract: The present invention provides a fluorine-containing polymer that is capable of forming a coating film having excellent liquid repellency and liquid slippability. Specifically provided is a fluorine-containing polymer containing a Unit A having a fluorine-containing aliphatic ring structure that constitutes the main chain, and a Unit B based on a fluorine-containing monomer b that has at least one type of hetero atom selected from the group consisting of an oxygen atom and a sulfur atom, and does not have a fluorine-containing aliphatic ring structure constituting the main chain, wherein the residual rate of polymerizable carbon-carbon double bonds is not more than 0.5 mol %.

Abstract: The object of the present invention is to provide a fluorinated ether composition with which a surface layer capable of imparting excellent water/oil repellency to the surface of a substrate and being excellent in abrasion resistance and weather resistance of the water/oil repellency, can be formed, and a coating liquid containing the fluorinated ether composition. The present invention further provides an article having a surface layer formed of the fluorinated ether composition, and a method for producing it. A fluorinated ether composition containing a specific fluorinated ether compound (1) having a poly(oxyfluoroalkylene) chain and having two silyl groups each having a hydrolyzable group bonded, at one terminal of the chain via an amide bond, and a specific fluorinated ether compound (2) having a poly(oxyfluoroalkylene) chain and having two silyl groups having a hydrolyzable group bonded, at both terminals of the chain via an amid bond.

Abstract: To provide a polymer electrolyte membrane which can be applied to a polymer electrolyte water electrolyzer, and is capable of producing a polymer electrolyte water electrolyzer having a low electrolytic voltage and excellent in hydrogen gas recovery efficiency, as well as a membrane electrode assembly and a polymer electrolyte water electrolyzer obtainable by using it. The polymer electrolyte membrane of the present invention contains a polymer electrolyte, of which the hydrogen gas permeation coefficient under the conditions of a temperature of 80° C. and a relative humidity of 10%, is at most 2.4×10?9 cm3·cm/(s·cm2·cmHg), wherein the membrane resistance value under the conditions of a temperature of 80° C. and a relative humidity of 50%, is from 50 to 150 m?·cm2.

Abstract: The present invention relates to an alkali borosilicate glass, in which a content of total iron in terms of Fe2O3 is 0.03% or more in mol % in terms of oxides, a ratio of three-coordinated boron to a total amount of the three-coordinated boron and four-coordinated boron is 61% or less, the alkali borosilicate glass is substantially free of Se and CoO, when a thickness of the alkali borosilicate glass is converted into 2.0 mm, a solar transmittance Te specified in ISO-9050:2003 is 90% or less, a dominant wavelength Dw measured using a standard C light source specified in JIS Z 8701:1999 is 520 nm or more and 574 nm or less, and an excitation purity Pe measured using the standard C light source specified in JIS Z 8701:1999 is 4.0% or less.

Abstract: An optical filter includes a glass substrate having a first main surface and a second main surface opposite each other and including phosphoric acid glass, a first antireflective layer disposed directly or indirectly on the first main surface of the glass substrate, and a resin layer, containing dye, disposed as one or more layers directly or indirectly on the second main surface of the glass substrate, wherein the glass substrate includes a predetermined range of amount of oxides, wherein the dye has a maximum absorption wavelength in the resin layer at a wavelength range of 690 to 800 nm, wherein thickness of the resin layer is 10 ?m or less, wherein the optical filter has all spectral characteristics specified in (a-1) to (a-6), and wherein a Haze value of the optical filter is 2% or less.