Abstract: The present invention provides a solar battery including a solar cell (100); a wiring substrate (200) having a wire (109, 110) to be electrically connected to an electrode (106, 107) provided in the solar cell (100); and an adhesive agent for adhering the solar cell (100) and the wiring substrate (200) to each other. The present invention also provides a method for manufacturing the solar battery, a method for manufacturing a solar cell module using the solar battery, and the solar cell module.

Abstract: An object of the present invention is to provide an adhesive composition that is substantially odorless and has an extremely good color and excellent adhesive properties or tack at low temperatures of about 5° C. and in which deterioration over time caused by heat or light is suppressed. The present invention relates to an adhesive composition comprising a liquid rosin ester compound, the liquid rosin ester compound being obtained by reacting a rosin compound with a C1-10 monohydric alcohol compound and having a Gardner color of 1 or less, a glass transition temperature of ?20° C. or less, a degree of esterification of 93 wt % or more, and a ratio (Y?/Y) of the total area of peaks in 16- to 22-min retention time region (Y?) to the total area of all the peaks (Y) measured by gas chromatography under the following conditions of 200 ppm or less.

Abstract: Provided is a resin acid ester-based tackifier having a good compatibility with a synthetic rubber elastomer, being capable of reducing the melt viscosity of the elastomer, and being capable of imparting excellent adhesive properties and/or pressure-sensitive adhesive properties to the elastomer.

Abstract: An object of the present invention is to provide an adhesive composition that is substantially odorless and has an extremely good color and excellent adhesive properties or tack at low temperatures of about 5° C. and in which deterioration over time caused by heat or light is suppressed. The present invention relates to an adhesive composition comprising a liquid rosin ester compound, the liquid rosin ester compound being obtained by reacting a rosin compound with a C1-10 monohydric alcohol compound and having a Gardner color of 1 or less, a glass transition temperature of ?20° C. or less, a degree of esterification of 93 wt % or more, and a ratio (Y?/Y) of the total area of peaks in 16- to 22-min retention time region (Y?) to the total area of all the peaks (Y) measured by gas chromatography under the following conditions of 200 ppm or less.

Abstract: The present invention provides a solar battery including a solar cell (100); a wiring substrate (200) having a wire (109, 110) to be electrically connected to an electrode (106, 107) provided in the solar cell (100); and an adhesive agent for adhering the solar cell (100) and the wiring substrate (200) to each other. The present invention also provides a method for manufacturing the solar battery, a method for manufacturing a solar cell module using the solar battery, and the solar cell module.

Abstract: The present invention provides a solar battery including a solar cell; a wiring substrate having a wire to be electrically connected to an electrode provided in the solar cell; and an adhesive agent for adhering the solar cell and the wiring substrate to each other. The present invention also provides a method for manufacturing the solar battery, a method for manufacturing a solar cell module using the solar battery, and the solar cell module.

Abstract: Provided are a semiconductor device in which abrasive grain marks are formed in a surface of a semiconductor substrate, a dopant diffusion region has a portion extending in a direction which forms an angle included in a range of ?5° to +5° with a direction in which the abrasive grain marks extend, and the dopant diffusion region is formed by diffusing a dopant from a doping paste placed on one surface of the semiconductor substrate; and a method for manufacturing the semiconductor device.

Abstract: A semiconductor device and a method for manufacturing the semiconductor device are provided. A semiconductor substrate has a surface on which an abrasion trace is formed, and a dopant diffusion region includes a portion extending in the direction at an angle within the range of ?5° to +5° with respect to the direction in which the abrasion trace extends.

Abstract: Provided is a solar battery module wherein solar battery cells are electrically connected to each other by using a wiring board having a predetermined wiring pattern formed on a resin base material. A method for manufacturing such solar battery module is also provided. In the wiring board of the solar battery module, a direction wherein a design margin is small is permitted to be a direction wherein the thermal contraction ratio of the resin base material is small, by the shape of an electrode pattern on the solar battery cell and that of the wiring pattern on the wiring board. At the time of manufacturing such solar battery module, temperature in a heat treatment step is set at 100° C. or higher but not higher than 180° C.

Abstract: Provided is a solar battery module wherein solar battery cells are electrically connected to each other by using a wiring board having a predetermined wiring pattern formed on a resin base material. A method for manufacturing such solar battery module is also provided. In the wiring board of the solar battery module, a direction wherein a design margin is small is permitted to be a direction wherein the thermal contraction ratio of the resin base material is small, by the shape of an electrode pattern on the solar battery cell and that of the wiring pattern on the wiring board. At the time of manufacturing such solar battery module, temperature in a heat treatment step is set at 100° C. or higher but not higher than 180° C.

Abstract: The object of the present invention is to provide a soldering-flux-oriented novel base resin that enhances the fluidity of a soldering flux and both the visco-stability and adhesion of a solder paste, while improving the color tone and anti-crack property of the flux residue. The present invention is directed to a base resin for a soldering flux, the base resin comprising a rosin (A) containing at least 15 wt % of a pimarane-type resin acid (a-1), at least 1 wt % of a labdane-type resin acid (a-2), and at least 50 wt % of an abietane-type resin acid that has no conjugated double bond (a-3).

Abstract: Provided is a resin acid ester-based tackifier having a good compatibility with a synthetic rubber elastomer, being capable of reducing the melt viscosity of the elastomer, and being capable of imparting excellent adhesive properties and/or pressure-sensitive adhesive properties to the elastomer. The tackifier is composed of an ester composition characterized by (i) the ester composition comprising 70% by weight or more of a resin acid ester represented by the general formula (1): and (ii) the S?NMR/SNMR ratio of the ester composition being at least 6% in the 1H-NMR spectrum of the ester composition, wherein S?NMR is the total integral value of the proton signal(s) appearing in the region of 6 to 8 ppm and SNMR is the total integral value of all the proton signals appearing over the entire range of the 1H-NMR spectrum.

Abstract: Provided are a semiconductor device in which abrasive grain marks are formed in a surface of a semiconductor substrate, a dopant diffusion region has a portion extending in a direction which forms an angle included in a range of ?5° to +5° with a direction in which the abrasive grain marks extend, and the dopant diffusion region is formed by diffusing a dopant from a doping paste placed on one surface of the semiconductor substrate; and a method for manufacturing the semiconductor device.

Abstract: A solar cell includes a substrate, and a plurality of strip-shaped p type impurity diffusion regions and a plurality of strip-shaped n type impurity diffusion regions in one surface of the substrate adjacently. The p type impurity diffusion region has an area ratio of not less than 60%, an area ratio larger than 80%, in particular, to the surface of the substrate.

Abstract: A semiconductor device and a method for manufacturing the semiconductor device are provided.

Abstract: Disclosed is a method of fabricating a semiconductor device, including the steps of forming a diffusion preventing mask on a surface of a semiconductor substrate, applying a dopant diffusing agent containing a dopant of a first conductivity type or a second conductivity type onto the surface of the semiconductor substrate at a spacing from the diffusion preventing mask, and forming a dopant diffusion layer by diffusing the dopant from the dopant diffusing agent into the semiconductor substrate.

Abstract: A method for producing a back electrode type solar cell including the steps of forming a light-receiving surface diffusion layer and an anti-reflection film by applying, to a light-receiving surface of a silicon substrate, a solution containing a compound containing an impurity identical in conductivity type to the silicon substrate, a titanium alkoxide, and an alcohol, followed by heat treatment, and forming a light-receiving surface passivation film on the light-receiving surface of the silicon substrate by heat treatment; a back electrode type solar cell including a light-receiving surface diffusion layer, and an anti-reflection film on the light-receiving surface diffusion layer, made of titanium oxide containing an impurity identical in conductivity type to a silicon substrate; and a back electrode type solar cell module including the back electrode type solar cells.

Abstract: The present invention provides a method for manufacturing a solar cell, including: diffusing p type impurity into at least a portion of a first surface, which is one surface of a silicon substrate, to form a high concentration p type impurity diffusion layer; and etching one of the first surface of the silicon substrate and a second surface of the silicon substrate opposite to the first surface, using as a mask at least one of the high concentration p type impurity diffusion layer and a film formed on the high concentration p type impurity diffusion layer upon forming the high concentration p type impurity diffusion layer.

Abstract: The present invention aims to provide a back electrode-type solar cell having improved conversion efficiency and reliability, and a method of manufacturing the back electrode-type solar cell having a reduced number of steps of forming an electrode and using a conductive paste. The back electrode-type solar cell of the present invention includes on one surface of a semiconductor substrate of a first conductivity type, a first doped region identical in conductivity type to the first conductivity type and a second doped region of a second conductivity type different from the first conductivity type, and a first electrode formed on the first doped region and a second electrode formed on the second doped region. Each of the first electrode and the second electrode is a fired electrode, and at least the first electrode of the first electrode and the second electrode includes a conductive coating layer on a surface thereof.

Abstract: Disclosed is a method of fabricating a semiconductor device, including the steps of forming a diffusion preventing mask on a surface of a semiconductor substrate, applying a dopant diffusing agent containing a dopant of a first conductivity type or a second conductivity type onto the surface of the semiconductor substrate at a spacing from the diffusion preventing mask, and forming a dopant diffusion layer by diffusing the dopant from the dopant diffusing agent into the semiconductor substrate.