Abstract: The present invention relates to an alkali-free glass substrate, having a strain point of 680° C. or higher, a Young's modulus of 78 GPa or greater, an UV transmittance at a wavelength of 300 nm of from 40% to 85% in terms of 0.5 mm thickness, an in-plane distribution of the UV transmittance at a wavelength of 300 nm in a G6-sized substrate of 1% or less in terms of 0.5 mm thickness, an average cooling rate around the glass transition point obtained according to a rate cooling method of 400° C./min or lower, and an in-plane distribution of the average cooling rate of 40° C./min or less.

Abstract: There is provided a glass for chemical strengthening having a black color tone and excelling in characteristics preferred for the purposes of housing or decoration of an electronic device, that is, defoaming quality, strength, and light transmittance characteristics. A glass for chemical strengthening contains, in mole percentage based on following oxides, 55% to 80% of SiO2, 0.25% to 16% of Al2O3, 0% to 12% of B2O3, 5% to 20% of Na2O, 0% to 15% of K2O, 0% to 15% of MgO, 0% to 15% of CaO, 0% to 25% of ?RO (where R represents Mg, Ca, Sr, Ba, or Zn), and 0.1% to 7% of a coloring component (at least one metal oxide selected from the group consisting of oxides of Co, Mn, Fe, Ni, Cu, Cr, V, and Bi).

Abstract: A sintered formed body containing a glass in which undesired coloring in a blackish color, incomplete sintering, a lack of strength, and formation of bubbles are suppressed, and an article provided with the same are provided. Provided are a sintered formed body and an article provided with the same, the sintered formed body consisting of a sintered body containing a glass, and having a thick part with a thickness of 60 ?m or more, in which a carbon content from a position of a surface of the thick part to a position at a depth of at least 30 ?m from the surface of the thick part is 0.7 to 15 mass ppm.

Abstract: To provide a process for producing a fluorinated polymer having a cyclic structure at a relatively low cost, by efficiently recovering, from a mixture containing a fluorinated polymer obtained by polymerizing a perfluoromonomer having a cyclic structure and an unreacted perfluoromonomer having a cyclic structure, the unreacted perfluoromonomer having a cyclic structure. A monomer component containing a perfluoromonomer having a specific cyclic structure is polymerized in the presence of a polymerization initiator at a predetermined polymerization temperature to obtain a mixture containing a fluorinated polymer and an unreacted cyclic structure monomer, and the perfluoromonomer having a cyclic structure is recovered from the mixture at a temperature of at most the maximum ultimate temperature of the polymerization temperature+12° C. and at most the 10 hour half-life temperature of the polymerization initiator+12° C. under a pressure of less than the atmospheric pressure.

Abstract: A carrier substrate to be used, when manufacturing a member for an electronic device on a surface of a substrate, by being bonded to the substrate, includes at least a first glass substrate. The first glass substrate has a compaction described below of 80 ppm or less. Compaction is a shrinkage in a case of subjecting the first glass substrate to a temperature raising from a room temperature at 100° C./hour and to a heat treatment at 600° C. for 80 minutes, and then to a cooling to the room temperature at 100° C./hour.

Abstract: A composition for a heat cycle system having favorable lubricating properties is provided. A heat cycle system employing the composition is also provided. The composition contains a working fluid for heat cycle, which has a low global warming potential and can replace R410A. The working fluid contains an unsaturated fluorinated hydrocarbon compound having a specific structure and a refrigerant oil having a breakdown voltage of at least 25 kV, a hydroxy value of at most 0.1 mgKOH/g, and a minimum temperature on the high temperature side of the phase separation temperature from the working fluid of at least 35° C. and a maximum temperature on the low temperature side of at most ?60° C.

Abstract: A heat-absorbing glass plate containing iron, tin, selenium, cobalt and sulfur, where the mass ratio of divalent iron as calculated as Fe2O3 to total iron as calculated as Fe2O3 is at least 55%, the ratio Tv/Te of the visible light transmittance Tv (by illuminant A, 2° visual field) as defined in JIS R3106 (1998) calculated as 4 mm thickness of the glass plate to the solar transmittance Te as defined in JIS R3106 (1998) calculated as 4 mm thickness of the glass plate, is at least 1.5, the visible light transmittance Tv (by illuminant A, 2° visual field) is at most 65% as defined in JIS R3106 (1998) calculated as 4 mm thickness of the glass plate, and the excitation purity Pe is at most 7% as defined in JIS Z8701 (1999) calculated as 4 mm thickness of the glass plate.

Abstract: A composition for a heat cycle system and a heat cycle system employing the composition are provided. The composition has favorable lubricating properties and contains a working fluid for heat cycle and a refrigerant oil. The working fluid contains an unsaturated fluorinated hydrocarbon compound having a specific structure. The working fluid has a low global warming potential and can replace R410A. The refrigerant oil has a breakdown voltage of at least 25 kV, a hydroxyl value of at most 0.1 mgKOH/g, and an aniline point of at least ?100° C. and at most 0° C.

Abstract: To provide a flame retardant non-aqueous electrolyte solution for secondary batteries, with which a lithium ion secondary battery which is less likely to undergo thermal runaway and which is excellent in the high temperature storage properties can be obtained; and a lithium ion secondary battery using the non-aqueous electrolyte solution for secondary batteries. A non-aqueous electrolyte solution for secondary batteries, comprising an electrolyte salt and a liquid composition, which contains either one or both of monofluorophosphate anions and difluorophosphate anions derived from at least part of the electrolyte salt, wherein at least a lithium salt is contained as one type of the electrolyte salt, and the liquid composition comprises at least one fluorine-containing solvent (?) selected from the group consisting of a fluorine-containing ether compound, a fluorine-containing chain carboxylic acid ester compound and a fluorine-containing chain carbonate compound, and a cyclic carboxylic acid ester compound.

Abstract: A vehicle antenna includes a coplanar wave guide including a planar dielectric body, a signal conductor arranged on the dielectric body, and a pair of ground conductors that hold both sides of the signal conductor via slots; a ground plane provided on an opposite side of the dielectric body from the signal conductor and the ground conductors; and an inverted-F antenna including a power feeding unit coupled to the signal conductor, a shorting unit coupled to one of the ground conductors, and a radiation unit coupled to an end portion of the power feeding unit and coupled to an end portion of the shorting unit, the radiation unit extending in a prescribed extension direction. The radiation unit is positioned on the ground plane side with respect to the dielectric body.

Abstract: A video projecting structure includes a substrate having a visible light transmittance greater than or equal to 5% and less than or equal to 90%, a reflectivity greater than or equal to 5% and less than or equal to 90%, and a front haze less than or equal to 30.

Abstract: To provide a tempered glass sheet having a thickness of from 1.8 to less than 2.5 mm, which is capable of satisfying the fragmentation quality and impact strength quality required for windowpanes for automobiles. A tempered glass sheet having a first surface, a second surface opposed to the first surface and a side surface connecting the first and second surfaces, and having a thickness of from 1.8 to less than 2.5 mm, wherein at the first surface, the average value of the surface compressive stress is within a range of from 100 to 160 MPa, and the average value of the surface strength is within a range of from 220 to 400 MPa.

Abstract: There is provided a functional glass article having high abrasion resistance. The functional glass article comprising: a glass substrate having a first face and a second face on a back face of the first face; and a plurality of particles arranged on the first face and made of a material having a Mohs hardness of 7 or higher, each of the plurality of particles having a particle diameter of 1 nm or more and 300 nm or less, and the plurality of particles including a particle located partly inside the glass substrate, the first face with the plurality of particles having a higher Martens hardness by 150 N/mm2 or more than a Martens hardness of the second face.

Abstract: There is provided a tempered glass plate, wherein a thickness of the tempered glass plate is less than or equal to 2.7 mm, wherein on a surface of the tempered glass plate, a plurality of stress marks are formed, wherein a distance between closest stress marks of the plurality of stress marks is less than or equal to 20 mm, wherein the surface of the tempered glass plate includes a first virtual circle that is formed by connecting points that are separated from a center of one of the plurality of stress marks by 2.5 mm, wherein the tempered glass plate includes a non elastic-wave region that is not affected by an elastic-wave generated during fracturing, and wherein, in the non elastic-wave region, an average number of cracks that exist in the first virtual circle is greater than or equal to 3.4.

Abstract: To provide a transmission-type transparent screen which is excellent in the see-through property for a scene on the other side of the transparent screen as viewed from an observer in a state where no image-forming light is projected from a projector and which is excellent in visibility of an image displayed on the transparent screen as viewed from the observer in a state where image-forming light is projected from the projector, as well as an image display system and an image display method, employing the transparent screen. A transmission-type transparent screen 1 which has a first surface A and a second surface B on the opposite side thereof and which has a light scattering layer 34 comprising a transparent resin 32 and a light scattering material 33, wherein the light scattering layer 34 further contains a light absorbing material, the haze is from 3 to 30%, the total light transmittance is from 15 to 95%, and the diffuse reflectance is from 0.1 to 2.4%.

Abstract: A method for manufacturing a float glass includes a step of melting a glass raw material, a step of forming the glass melted in the melting step into a glass ribbon while floating the glass on a molten metal, and a step of annealing the glass ribbon. In the forming step, a gas or a liquid containing a molecule having a fluorine atom present therein is blown to the glass ribbon having a viscosity of from 1.0×104 to 2.5×1010 Pa·s.

Abstract: 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 substrate 1 includes a transparent substrate 2; and an antiglare film 3 provided on the transparent substrate 2, in which the antiglare film 3 contains silica as its main component and a CF3(CH2)n-group where n is an integer of 1 to 6, and the antiglare film 3 has surface roughness curve skewness Rsk of 1.3 or less and has arithmetic mean roughness Ra of 0.01 ?m or more.

Abstract: A white glass includes, in terms of mole percentage on the basis of oxides, from 50% to 74% of SiO2, from 0 to 8% of B2O3, from 1% to 8% of Al2O3, from 0 to 18% of MgO, from 0 to 7% of CaO, from 0 to 10% of SrO, from 0 to 12% of BaO, from 0 to 5% of ZrO2, from 5% to 15% of Na2O and from 2% to 10% of P2O5. In the white glass, a total content of CaO, SrO and BaO is from 1% to 22%, a total content RO of MgO, CaO, SrO and BaO is from 5% to 25% and a ratio CaO/RO of a content of CaO to the RO is 0.7 or less.

Abstract: An optical device includes a base material including a surface on which multiple concaves are formed. The concaves include respective curved surfaces. The concaves are formed so that the bottoms of the concaves are at two or more different positions in a depth direction. In the optical device, 2/7?|(n1?n2)×?d|/??10 holds, where n1 is the refractive index of the base material, n2 is the refractive index of a medium around the concaves, ? is the wavelength of a beam flux that enters the base material, and ?d is a range of the positions of the bottoms in the depth direction.

Abstract: There is provide an optical filter suppressed in incidence angle dependence and having high visible light transmittance. The optical filter includes: an absorption layer containing a first near-infrared absorbent (DA) having a maximum absorption wavelength ?(DA_Tmin) in wavelengths of 685 to 715 nm and a second near-infrared absorbent (DB) having a maximum absorption wavelength ?(DB_Tmin) in wavelengths of 705 to 725 nm or wavelengths of more than 725 nm and 900 nm or less on a side of a wavelength longer than the maximum absorption wavelength ?(DA_Tmin), and satisfying specific light absorption characteristics; and a reflection layer including a dielectric multilayer film satisfying specific reflection characteristics in wavelengths of 700 to 1150 nm, wherein a transmittance of the reflection layer in a boundary region of visible light and near-infrared light and a transmittance of the absorption layer have a specific relation.