Abstract: Provided is a glass that is used in a phosphor-containing wavelength conversion material and from which can be produced a wavelength conversion member less degraded in characteristics of a phosphor owing to firing during production of the wavelength conversion member and having excellent weather resistance. The glass is for use in a wavelength conversion material and contains, in terms of % by mass, 30 to 75% SiO2, 1 to 30% B2O3, over 4 to 20% Al2O3, 0.1 to 10% Li2O, 0 to below 9% Na2O+K2O, and 0 to 10% MgO+CaO+SrO+BaO+ZnO.

Abstract: Provided is a manufacturing method for a glass article, including: a pre-heating step (S1) of heating a transfer pipe (7); and a transfer step (S4) of causing molten glass to flow through the transfer pipe (7) after the pre-heating step (S1). The transfer pipe (7) includes a main body portion (8) having a tubular shape and a flange portion (9a, 9b) formed on an end portion of the main body portion (8). The main body portion (8) is retained by a refractory (10). In the pre-heating step (S1), the main body portion (8) is heated while the flange portion (9a, 9b) is movably supported so that the flange portion (9a, 9b) is moved in accordance with extension of the main body portion (8).

Abstract: A method of manufacturing a glass film includes a forming step of forming a band-shaped glass film by pulling down a glass ribbon flowing down from a forming trough while sandwiching the glass ribbon from both front and back sides through use of roller pairs and a conveyance direction changing step of changing a conveyance direction of the glass film from the vertical direction to the horizontal direction by conveying the glass film along a conveyance path having an arc shape while supporting the glass film from a back surface side with a roller conveyor so that a front surface of the glass film after having passed through the conveyance path faces upward. A first roller to be brought into abutment against the glass film from the front surface side is arranged between a roller pair arranged in a lowermost stage and the roller conveyor.

Abstract: A glass filler powder includes a bubble therein, a volume fraction of the bubble being from 0.2% to 2%.

Abstract: There is provided a tempered glass having an extremely small thickness, high strength, and high safety as compared to the related art. A plate-shaped or sheet-shaped tempered glass includes: a compression stress layer on a surface thereof; and a tensile stress layer on an inner side in a thickness direction of the glass with respect to the compression stress layer, and includes at least partially a thin portion having a thickness t1 and being bendable, the thickness t1 is 105 ?m or less, a depth DOC of the compression stress layer is 9.0 ?m or less, and CS/DOC?95 is satisfied.

Abstract: A crystallized glass contains: from 58 to 70% of SiO2, from 15 to 30% of Al2O3, from 2 to 10% of Li2O, from 0 to 10% of Na2O, from 0 to 10% of K2O, from 0 to 15% of Na2O+K2O, from 0 to 15% of MgO+CaO+SiO+BaO+ZnO, from 0.1 to 6% of SnO2, from 0.5 to 6% of ZrO2, from 0 to 4% of TiO2, and from 0 to 6% of P2O5 in mass %, in which the crystallized glass has a degree of crystallinity of 1 to 95%, and an average visible light transmittance of 50% or greater at a thickness of 0.8 mm and a wavelength of 380 to 780 nm, and a compression stress layer is formed on a surface.

Abstract: A glass composition according to an embodiment of the present invention includes, in mol %, from 1 to 20% of B2O3, from 30 to 80% of TeO2, and from 5 to 30% of MoO3 as glass composition.

Abstract: The glass substrate has a substrate thickness of from 0.10 mm to 0.50 mm and has two or more through holes, a taper angle of the through holes being from 0° to 13°, and a shortest distance among center-to-center distances between the through holes being 200 ?m or less.

Abstract: Provided is a small-diameter chalcogenide glass material having excellent weather resistance and mechanical strength and being suitable as an optical element for an infrared sensor. The chalcogenide glass material has an unpolished side surface, a pillar shape with a diameter of 15 mm or less, and a composition of, in terms of % by mole, 40 to 90% S+Se+Te and an inside of the glass material is free of stria with a length of 500 ?m or more.

Abstract: A glass article contains: in mol %, more than 0% to 70% of La2O3, 0% to 80% of B2O3, 0% to 40% of SiO2, 0% to 80% of B2O3+Al2O3+SiO2, 0% to 85% of Gd2O3+Ga2O3+Y2O3+Yb2O3+ZrO2+TiO2+Nb2O5+Ta2O5+WO3, 0% to 15% of MgO+CaO+SrO+BaO, 0% to 35% of ZnO, and more than 0% to 5% of CuO.

Abstract: A glass sheet of the present invention has a content of Li2O+Na2O+K2O of from 0 mol % to less than 1.0 mol % and a content of B2O3 of from 0 mol % to less than 2.0 mol % in a glass composition, has a ?-OH value of less than 0.20/mm, and has a thermal shrinkage ratio of 20 ppm or less when increased in temperature from normal temperature at a rate of 5° C./min, kept at a temperature of 500° C. for 1 hour, and decreased in temperature at a rate of 5° C./min.

Abstract: Provided is a method for manufacturing a glass fiber strand in which a glass fiber strand is formed by bundling a plurality of glass fiber filaments comprising molten glass drawn out from a nozzle, wherein said method for manufacturing a glass fiber strand is capable of detecting breakage of the glass fiber filaments in a more reliable manner. This method comprises: an image capturing step for generating a plurality of items of image data by continuously capturing images of a plurality of glass fiber filaments f; an image processing step for extracting, from the image data, a high luminance object having a luminance of a prescribed value or more; and a breakage detection step for detecting that a glass fiber filament f has broken on the basis of the results of the image processing in the image processing step.

Abstract: Devised are a supporting substrate capable of contributing to an increase in density of a semiconductor package and a laminate using the supporting substrate. A supporting glass substrate of the present invention includes a polished surface on a surface thereof and has a total thickness variation of less than 2.0 ?m.

Abstract: In a manufacturing method of a glass roll, a transport device transports a glass film coupled to lead films via coupling portions. The transport device separates the lead films and/or the coupling portions from a heating roller when the lead films and/or the coupling portions pass by the heating roller.

Abstract: This invention has an object to enhance the whole adhesiveness of a bonding material to a glass member and a bonding target member. A method for manufacturing a bonded body (10) includes: a placing step of placing a laminate (11) on plural urging members (32) in a storage part (24) of a jig main body (20) so that its first surface (11a) faces the plural urging members and placing a pressing transparent member (28) on a second surface (11b) of the laminate; after the placing step, a pressing step of pressing the second surface of the laminate via the pressing transparent member, thereby causing the first surface of the laminate to be pressed by urging forces of the plural urging members; and a bonding part forming step of forming a bonding part from the bonding material while pressing the laminate by the pressing step, thereby yielding a bonded body.

Abstract: A laminate according to an embodiment of the present invention includes at least one glass sheet and at least one resin layer, a relative dielectric constant of the glass sheet at 25° C. and a frequency of 2.45 GHz being 5 or less, and a dielectric loss tangent of the glass sheet at 25° C. and a frequency of 2.45 GHz being 0.003 or less.

Abstract: Provided is a glass roll (1), including: a winding core (2); a film body (F), which is taken up into a roll shape by the winding core (2), and includes a glass film (3) and a scattering prevention film (7) having a smaller width than the glass film (3); and flanges (8) which are mounted to the winding core (2), and which are arranged on both sides of the film body (F) in a width direction. The film body (F) includes a detachable displacement prevention film (6) on a termination end portion side of the glass film (3) in a take-up direction. The displacement prevention film (6) includes a wide portion (6a) having a lager width than the glass film (3).

Abstract: Provided are a sodium ion-conductive crystal-containing solid electrolyte sheet capable of giving excellent battery characteristics even when reduced in thickness, and an all-solid-state battery using the same. The solid electrolyte sheet contains at least one type of sodium ion-conductive crystal selected from ??-alumina and NASICON crystal and has a thickness of 500 ?m or less and a flatness of 200 ?m or less.

Abstract: A stirrer includes a shaft, and a plurality of stirring blades mounted on the shaft along a longitudinal direction of the shaft. The stirrer is configured to stir molten glass in a stirring vessel by causing the plurality of stirring blades to turn about the shaft in association with rotation of the shaft. The plurality of stirring blades (blade bodies) each have a through opening and a distal end portion extending along the longitudinal direction of the shaft. The plurality of stirring blades are mounted on the shaft so that, when the plurality of stirring blades turn about the shaft, the stirring blades that are closer to one end side of the shaft are delayed in phase around the shaft with respect to the stirring blades on another end side of the shaft.

Abstract: Provided is a magneto-optic element that enables easy size reduction of an optical isolator. A magneto-optic element is formed of two or more magnetic members joined together.