Abstract: Provided is a flexible wiring board having high durability. The present invention provides a flexible wiring board including a flexible substrate and a conductive film formed on the flexible substrate. The conductive film contains a conductive powder and a curd product of a heat curable resin. The conductive film has pencil hardness of at least 2H, based on a pencil scratch hardness test in accordance with JIS K5600 5-4 (1999). The conductive film has adhesiveness of at least 95/100 by a 100 squares cross-cut test in accordance with JIS K5400 (1990).

Abstract: Provided is a substrate for mounting an LED element in which a stable light-emitting surface is obtained, as well as a light source and an LED display using this substrate, so that the axis at which light is emitted by a chip LED does not vary. The substrate for mounting an LED element (1) comprises a substrate (1a) on which an LED element can be mounted, and a wiring layer (2) for supplying electricity to an LED element (7). The wiring layer (2) for supplying electricity to the LED element (7) is formed on a mirror-finished surface on the entirety of a substrate surface on which the LED element is mounted, except for an insulating space 4 capable of providing insulation between terminals of the LED element.

Abstract: A polishing composition contains polishing particles and a polishing liquid used in polishing processing for smoothing a (0001)Si plane of a SiC single crystal used as an object to be polished, the polishing liquid is an oxidizing polishing liquid, and a relationship between pH of the polishing composition and an off-angle of the (0001)Si plane of the SiC single crystal is located within a range surrounded by four straight lines represented by following equations (1), (2), (3), and (4) in two-dimensional x-y coordinates where the off-angle (°) and the pH of the polishing composition are indicated by x and y, respectively: y=4 (1); y=3 (2); x=0 (3); and x=8 (4).

Abstract: An object of the present invention is to provide a vacuum tube with a structure close to that of an inexpensive and easily available vacuum fluorescent display which easily operates as an analog amplifier. A vacuum tube subject to the present invention comprises: a filament which is tensioned linearly and emits thermoelectrons, an anode arranged parallel to the filament, and a grid arranged between the filament and the anode such that the grid faces the anode. The present invention is characterized in that a distance between the filament and the grid is between 0.2 mm and 0.6 mm, including 0.2 mm and 0.6 mm.

Abstract: The vacuum tube subject to the present invention comprises a filament and two pairs of a grid and an anode. The filament is tensioned linearly and emitting thermoelectrons. Both of the anodes are formed on the same face on a planar substrate. The filament is arranged parallel to the planar substrate at a position facing both of the anodes. Each of the grids is arranged, such that the grid faces the anode in the same pair at a first predetermined distance from the anode and has a second predetermined distance from the filament, between the anode and the filament. The vacuum tube comprises an intermediate filament fixing part fixing the filament at a position corresponding to an intermediate point between the anodes of the two pairs.

Abstract: An anion conductive material consists of a low-regularity layered double hydroxide having ion conductivity enhanced by delamination of a layer structure of a regular layered double hydroxide.

Abstract: A continuous-generation gear grinding method of conducting a gear grinding process such that while a thread-shaped grinding wheel is rotated around an axial center thereof and fed in an axial center direction, a position coming into contact with abrasive grains is constantly changed in the presence of a water-soluble grinding fluid by performing a grinding feed in a direction parallel to an axial center of a gear blank and by serially rotating the gear blank around the axial center, the grinding wheel being a vitrified grinding wheel having abrasive grains bonded by a vitrified bond with pores formed among the abrasive grains, and the abrasive grains having a grain size of F120 to F180.

Abstract: A conductive paste composition for a solar cell contains a conductive powder, a glass frit, and a vehicle. The glass fit includes glass containing SO2 within a range of 0.05 to 5.0 (mol %) in terms of oxide.

Abstract: A vitrified superabrasive grain grinding stone includes superabrasive grains including a CBN abrasive grain as a main abrasive grain and a diamond abrasive grain as an auxiliary abrasive grain bonded together by use of a vitrified bond. The auxiliary abrasive grain has an average grain diameter equal to ½ to 1/10 of that of the main abrasive grain, and the auxiliary abrasive grain has a toughness value of 0.4 to 1 when that of the main abrasive grain is given as 1.

Abstract: Provided is a substrate for mounting an LED element in which a stable light-emitting surface is obtained, as well as a light source and an LED display using this substrate, so that the axis at which light is emitted by a chip LED does not vary. The substrate for mounting an LED element (1) comprises a substrate (1a) on which an LED element can be mounted, and a wiring layer (2) for supplying electricity to an LED element (7). The wiring layer (2) for supplying electricity to the LED element (7) is formed on a mirror-finished surface on the entirety of a substrate surface on which the LED element is mounted, except for an insulating space 4 capable of providing insulation between terminals of the LED element.

Abstract: To provide a paste composition capable of forming a silver electrode having a high bond strength and a low contact resistance, and to provide a solar cell endowed with a high conversion efficiency and excellent reliability, the solar cell including an electrode formed using such a paste composition, a silver electrode-forming paste composition includes a silver powder, a glass component and an organic medium, and the glass component includes tellurium-loaded glass frit which is glass frit having a tellurium compound supported on surfaces thereof. This silver electrode-forming paste composition can be produced by a method which includes the steps of: preparing tellurium-loaded glass frit sintering the mixture in the temperature range of (Tm?35°) C. to (Tm+20°) C.; and dispersing the glass component and the silver powder in an organic medium using the tellurium-loaded glass frit as at least part of the glass component.

Abstract: A vacuum fluorescent display apparatus comprising a filament cathode (10) and an anode (7); the filament cathode being arranged in a vacuum container, and used for releasing low-energy electrons; the anode having a phosphor (8) adhering thereto, and being struck by the low-energy electrons and thereby caused to emit light; wherein a structural body (9) is provided to a region in which the low-energy electrons released by the cathode can be controlled; the structural body having an electrically conductive or semi-conductive metal oxide formed at a portion that is bombarded by low-energy electrons.

Abstract: A ceramic porous body has an alumina porous body made up by binding aggregate alumina particles to each other, the aggregate alumina particles being bound to each other by a compound including gadolinium silicate, lanthanum silicate or yttrium silicate synthesized from a silicate mineral and at least one rare-earth oxide selected from Gd2O3, La2O3, and Y2O3, and an inorganic porous film formed on the alumina porous body.

Abstract: A sintering composition and calcined object which are precursors for a sintered zirconia. The burned surface of the sintered zirconia gives an X-ray diffraction pattern in which the ratio of the height of the peak present around the location where a [200] peak assigned to the cubic system is to appear to the height of the peak present around the location where a [200] peak assigned to the tetragonal system is to appear is 0.4 or more, and a region located at a depth of 100 ?m or more from the burned surface gives an X-ray diffraction pattern in which the ratio of the height of the peak present around the location where a [200] peak assigned to the cubic system is to appear to the height of the peak present around the location where a [200] peak assigned to the tetragonal system is to appear is 0.3 or less.

Abstract: A vitrified superabrasive grain grinding stone includes superabrasive grains including a CBN abrasive grain as a main abrasive grain and a diamond abrasive grain as an auxiliary abrasive grain bonded together by use of a vitrified bond. The auxiliary abrasive grain has an average grain diameter equal to ½ to 1/10 of that of the main abrasive grain, and the auxiliary abrasive grain has a toughness value of 0.4 to 1 when that of the main abrasive grain is given as 1.

Abstract: It is provided a paste composition for a solar battery electrode, that includes electrically conductive powder, glass frit, and a vehicle, wherein the glass frit is made of glass that comprises, as amounts converted into those of oxides as ratios, Li2O within a range from 0.6 to 18 [mol %], PbO within a range from 20 to 65 [mol %], B2O3 within a range from 1 to 18 [mol %], and SiO2 within a range from 20 to 65 [mol %].

Abstract: A conductive paste composition for a solar cell includes a conductive powder, a glass frit, and a vehicle, the glass frit consisting of glass containing 0.6 to 18.0 (mol %) Li2O, at least one of 0.1 to 6.0 (mol %) P2O5 and 0.1 to 4.0 (mol %) Sb2O5, 20 to 62 (mol %) PbO, 1 to 18 (mol %) B2O3, 18 to 65 (mol %) SiO2, 0 to 6 (mol %) Al2O3, 0 to 6 (mol %) TiO2, and 0 to 30 (mol %) ZnO in oxide conversion, the glass having a ratio of Pb/Si (mol ratio) within a range of 0.5 to 1.7.