Abstract: Provided is a vehicle antenna system that is able to efficiently receive circularly polarized signals from the zenith direction. A vehicle antenna system (100) is provided with window glass (30) for a vehicle (20) and an antenna element (40) that is able to receive signals of a predetermined frequency band. The antenna element (40) is provided on a first principal plane of a dielectric substrate (43), and includes a radiating conductor (41) that is able to receive circularly polarized signals of a first frequency, and a grounding conductor (44) positioned opposite the radiating conductor (41) via the dielectric substrate (43). The normal direction of the first principal plane is less than or equal to 45° relative to the vertical direction, and the radiating conductor (41) is positioned away from the inner surface of the window glass (30) via the dielectric layer (60) in the direction of the vehicle interior.

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: The present invention relates to a composite substrate for graphene film production, the composite substrate including: a substrate having a thermal expansion coefficient of 2.0×10?6 (K?1) or less; an oxide film; and a metal film containing Cu or Ni, in this order, in which a prescribed diffraction peak is observed by XRD measurement for the metal film by a ?-2? method, and in a chart obtained by the XRD measurement, a diffraction peak derived other than the prescribed diffraction peak is not observed, or an intensity of diffraction peak other than the prescribed diffraction peak is 1/10 or less of an intensity of the prescribed diffraction peak.

Abstract: A composition that includes: a first perfluoropolymer having a glass transition temperature of 10° C. or lower; and a second fluoropolymer that contains a tetrafluoroethylene-based constituent unit and a perfluoro (alkyl vinyl ether)-based constituent unit, and is different from the first perfluoropolymer, the content of the perfluoro (alkyl vinyl ether)-based constituent unit, with respect to the total content of all the constituent units of the first perfluoropolymer and the second fluoropolymer, being from 0.1 to 10.0 mol %.

Abstract: The present invention relates to a method for producing a glass article, containing melting a glass raw material containing silica sand A and silica sand B by using a cold-top melting method, in which a volume-based median diameter of the silica sand A is larger than that of the silica sand B, a content of the silica sand B with respect to a total content of the silica sand A and the silica sand B is adjusted in a range of 1 mass % to 99 mass %, and the silica sand A and the silica sand B satisfy the requirements 1 and 2 described in the specification.

Abstract: The present invention provides a method for producing a fluorine-containing compound by introducing a fluorine atom into a wide variety of oxygen-containing compounds having a ketone group, an aldehyde group, a hydroxy group, or the like using SF5? stabilized by forming a salt with a glyme-coordinated alkali metal ion as a deoxofluorinating agent under relatively mild conditions. The present invention pertains to a method for producing a fluorine-containing compound, the method in which a fluorine-containing compound is produced by the deoxofluorination of an oxygen-containing compound having an aldehyde group, a ketone group, a carboxy group, or a hydroxy group in one or more solvents selected from the group consisting of DMPU, G4, DMA, HMPA, and MeCN using a deoxofluorinating agent represented by a general formula (E1) [in the formula, M represents Cs+, K+, or Rb+; G4 represents a tetraethylene glycol dimethyl ether; and n represents an integer of 1 to 4].

Abstract: A glass ceramic has a visible-light transmittance of 85% or more in terms of a thickness of 0.7 mm, and a haze value of 1.0% or less in terms of a thickness of 0.7 mm, and has a composition including, in mass % on an oxide basis: 45-70% of SiO2; 1-15% of Al2O3; and 10-25% of Li2O.

Abstract: A composition that contains a first perfluoropolymer having a glass transition temperature of 10° C. or lower, and a second fluoropolymer that contains tetrafluoroethylene and a constitutional unit ascribed to a compound represented by Formula (1) below, and is different from the first perfluoropolymer, the content of a perfluoro (alkyl vinyl ether)-based constitutional unit, with respect to the total content of all the constitutional units of the first perfluoropolymer and the second fluoropolymer, is 0.05 to 5.0 mol %: CF2?CF—CF2—O—Rf . . . (1), in Formula (1), Rf represents a perfluoroalkyl group having 1 to 10 carbon atoms, and optionally having an etheric oxygen atom between carbon atoms in the perfluoroalkyl group.

Abstract: A method for producing a sulfide solid electrolyte includes: supplying a sulfide solid electrolyte raw material to a tank of a heating furnace; and heating and melting the sulfide solid electrolyte raw material in a gas atmosphere containing a sulfur element. The method includes: obtaining a melt by the heating and melting; and setting a temperature on a bottom side of the melt to be higher than a temperature on a liquid surface side of the melt in the tank.

Abstract: To provide a polishing method in which the generation of polishing scratches can be sufficiently suppressed while a sufficiently high polishing rate or selection ratio of an insulating film is maintained. A polishing method including bringing a surface to be polished into contact with a polishing pad while supplying a polishing agent to perform polishing through relative motion thereof, in which the polishing agent contains an abrasive particle and water, the polishing pad has a polishing layer containing a polyurethane resin, the polyurethane resin includes a constitution unit derived from MDI, a content of the MDI is 30 mass % 10 or more based on a total mass of the polishing layer, the polishing layer has a shore A hardness of 90 degrees or less, the polishing layer has a water absorption coefficient of 5% or more, and the surface to be polished includes an insulating film.

Abstract: There is provided a simple configuration capable of feeding power to a conductor present between a pair of dielectric plates. A feeding structure including a first dielectric plate; a second dielectric plate that faces the first dielectric plate; an interlayer that is disposed between the first dielectric plate and the second dielectric plate; a conductor that is disposed between the first dielectric plate and the second dielectric plate; a feeding portion that is disposed on a side opposite of the interlayer from the first dielectric plate and that sandwiches at least one of a portion of the interlayer and a portion of the second dielectric plate between the conductor and the feeding portion; and a first transmission line that is connected to the feeding portion, wherein the feeding portion electromagnetically couples to the conductor with a gap smaller than a thickness of the first dielectric plate.

Abstract: An optical filter includes: a glass; a dielectric multilayer film 1 and a dielectric multilayer film 2; a barrier film 1; a barrier film 2; and a light-absorbing layer, in which the glass is a phosphate glass or a fluorophosphate glass, the light-absorbing layer includes a near-infrared ray absorbing dye, in a case where the glass is the phosphate glass, the barrier film 1 and the barrier film 2 each independently include one or more selected from TiO2, Nb2O5, Ta2O5, and HfO2, in a case where the glass is the fluorophosphate glass, the barrier film 1 and the barrier film 2 each independently include one or more selected from TiO2, Al2O3, Nb2O5, Ta2O5, and HfO2, and the optical filter satisfies all of spectral characteristics (i-1) to (i-3) and (i-6).

Abstract: A film for a battery exterior body has a thickness of 10 ?m or greater, including a heat-meltable tetrafluoroethylene-type polymer having 50 or more carbonyl group-containing groups per 106 carbon atoms in its main chain and a fluorine content of from 60% by mass to 75% by mass.

Abstract: Provided is a display device including: a bottom member; a display layer provided on or above the bottom member; a side wall member provided around the display layer; and a cover member including a glass, provided on or above the display layer and the side wall member, and having a thickness of 0.3 mm or more and 0.7 mm or less, in which when a direction from the bottom member toward the cover member in a thickness direction of the cover member is defined as a first direction, the cover member has a first main surface on a first direction side, a second main surface opposite to the first main surface, and an end surface connecting the first main surface and the second main surface, and a parameter T is less than 0.

Abstract: An optical filter includes: a phosphate glass; a dielectric multilayer film 1 and a dielectric multilayer film 2 provided on both surface sides of the phosphate glass; a barrier film 1 provided between the phosphate glass and the dielectric multilayer film 1; a barrier film 2 provided between the phosphate glass and the dielectric multilayer film 2; and a light-absorbing layer provided on or above the dielectric multilayer film 2, in which the phosphate glass has near-infrared ray absorbing properties, is substantially free from fluorine atoms, and has a thickness of 0.3 mm or less, the light-absorbing layer includes a near-infrared ray absorbing dye, the barrier film 1 and the barrier film 2 each independently include one or more selected from TiO2, Nb2O5, Ta2O5, and HfO2, and the optical filter satisfies all of spectral characteristics (i-1) to (i-5).

Abstract: The present invention relates to an alkali-free glass having a strain point of 700° C. or higher and 740° C. or lower, a density of 2.6 g/cm3 or lower, a Young's modulus of 90 GPa or higher and 100 GPa or lower, an average coefficient of thermal expansion at 50° C. to 350° C. of 30×10?7/K or higher and 39×10?7/K or lower, a temperature T2 at which a glass viscosity reaches 102 dPa·s of 1590° C. or higher and 1690° C. or lower, a temperature T4 at which the glass viscosity reaches 104 dPa·s of 1350° C. or lower, a glass surface devitrification temperature (Tc) of lower than (T4+80)° C., and a specific elastic modulus of 36 MN·m/kg or higher, and including a prescribed glass composition.

Abstract: To provide a composition which is excellent in solubility of various organic substances, presents no adverse effects on the global environment and is excellent in stability. A composition comprising a monochlorotrifluoropropene and at least one stabilizer selected from the group consisting of a carboxylic acid, a carboxylic acid salt and a carboxylic acid ion, characterized in that the content of the stabilizer to the total content of the monochlorotrifluoropropene and the stabilizer is from 0.1 to 500 mass ppm.

Abstract: A working medium for a heat cycle includes trifluoroethylene, a low boiling point compound having a lower boiling point than the boiling point of the trifluoroethylene, and high boiling point compounds having higher boiling points than the boiling point of the trifluoroethylene. In the working medium, the low boiling point compound is at least one selected from the group consisting of carbon dioxide, R116, and R41, and the high boiling point compounds are at least two selected from the group consisting of HFC-32, HFO-1234yf, HFO-1234ze (E), HFO-1243zf, PFC-14, HFC-134, HFC-143a, HFC-227ea, cyclopropane, isobutene, isobutane, dimethyl ether, and ammonia. An application of the working medium is provided.

Abstract: A method for producing a sulfide solid electrolyte includes: charging sulfide solid electrolyte raw materials into a heated furnace and performing mixing to obtain a mixture of sulfide solid electrolyte raw materials, or charging a mixture of sulfide solid electrolyte raw materials into a heated furnace; and heating and melting the mixture of sulfide solid electrolyte raw materials, and cooling and solidifying resulting melt to obtain a sulfide solid electrolyte. The mixture of sulfide solid electrolyte raw materials includes Li2S and P2S5, and A?50 ?m and B?50 ?m are satisfied, where A is a volume-based average particle diameter of the Li2S as measured by using a laser diffraction particle size distribution measurement method, and B is a volume-based average particle diameter of the P2S5 as measured by using the laser diffraction particle size distribution measurement method.

Abstract: A mixture of sulfide solid electrolyte raw materials includes Li2S and P2S5, and A<B is satisfied, where A is a volume-based average particle diameter of the Li2S as measured by using a laser diffraction particle size distribution measurement method, and B is a volume-based average particle diameter of the P2S5 as measured by using the laser diffraction particle size distribution measurement method.