Abstract: The purposes of the present invention are: to provide an epoxy resin composition having excellent impregnation into reinforcing fibers, excellent shapability under low-temperature conditions after thickening, and excellent heat resistance after curing; to provide a molding material for a fiber-reinforced composite material, said molding material having excellent shapability during handling and excellent fluidity during press molding; and to provide a fiber-reinforced composite material having excellent heat resistance and bending strength. To achieve the abovementioned purposes, the present invention provides an epoxy resin composition containing all of the following components (A)-(D), wherein: the content of the component (A), in terms of 100 mass % of the total mass of the epoxy resin composition, is 30-95 mass %; and the ratio Wc/Wd of the content We of the component (C) to the content Wd of the component (D) is 0.01-10.

Abstract: The present invention aims to provide: an epoxy resin composition in which the effect of adding an additive can be efficiently obtained even at a high temperature; a molding material which achieves a reduced unevenness in physical properties after curing while allowing the additive to exert its effect; and a fiber-reinforced composite material which has excellent mechanical properties while allowing the additive to exert its effect. To achieve the above-mentioned object, the epoxy resin composition according to the present invention is an epoxy resin composition including the following components (A) to (E): component (A): an epoxy resin having a viscosity at 25° C. of from 0.1 to 1,000 Pa·s and having two or more epoxy groups within one molecule; component (B): an additive having a viscosity at 25° C. of from 0.

Abstract: The purpose of the present invention is to provide: an epoxy resin composition having both excellent dispersibility of a solid curing agent and excellent impregnation of reinforcing fibers; a molding material for the fiber-reinforced composite material that has excellent dispersibility of the solid curing agent in the post-thickened resin; and a fiber-reinforced composite material that has excellent appearance quality and mechanical characteristics and little unevenness in physical properties. In order to achieve the aforementioned purpose, this epoxy resin composition has the following configuration. The epoxy resin composition includes all components (A)-(C). The degree of dispersion of component (B) in component (A) is 0.1-0.8, the viscosity at 25° C. is 0.1-100 Pa·s, and the glass transition temperature of an epoxy resin cured product at any hardness between 85%-95% is at least 110° C.

Abstract: A resin composition includes at least a polyamide (A) and a modified cyclodextrin (B), wherein the polyamide (A) is blended in an amount of 80 parts by weight or more and 99.9 parts by weight or less and the modified cyclodextrin (B) is blended in an amount of 0.1 parts by weight or more and 20 parts by weight or less with respect to 100 parts by weight in total of the polyamide (A) and the modified cyclodextrin (B).

Abstract: Disclosed is a resin composition including a thermoplastic resin (A) and a polyrotaxane (B) whose cyclic molecule is modified with a graft chain having a reactive functional group at the end, which are mixed together, the resin composition containing a fibrous filler (C) in the amount of 1 to 200 parts by weight relative to 100 parts by weight of the total amount of the thermoplastic resin (A) and the polyrotaxane (B). To provide a resin composition capable of affording a molded article having excellent balance between rigidity and toughness.

Abstract: Disclosed is a resin composition including a thermoplastic resin (A) and a polyrotaxane (B) whose cyclic molecule is modified with a graft chain having a reactive functional group at the end, which are mixed together, the resin composition containing a fibrous filler (C) in the amount of 1 to 200 parts by weight relative to 100 parts by weight of the total amount of the thermoplastic resin (A) and the polyrotaxane (B). To provide a resin composition capable of affording a molded article having excellent balance between rigidity and toughness.

Abstract: A thin-film compound photovoltaic cell includes a cell body including a photovoltaic cell stack including a plurality of compound semiconductor layers, first and second electrodes that are formed on a first surface of the photovoltaic cell stack, the first surface being on a light receiving side of the photovoltaic cell stack, and a third electrode that is formed on a surface of the photovoltaic cell stack that is opposite to the light receiving side; and a resin film formed on the cell body, the resin film being formed on the side opposite to the light receiving side. The photovoltaic cell stack includes a cell layer including a PN junction layer and a contact layer that is formed on part of a surface of the cell layer which surface is opposite to a light-receiving surface of the cell layer. The third electrode is formed on the contact layer.

Abstract: A solar cell includes a rear surface electrode layer a semiconductor layer formed on a surface of rear surface electrode layer a front surface electrode layer formed on a surface of semiconductor layer and a support layer on a surface of rear surface electrode layer at a side opposite the side where semiconductor layer is formed. Semiconductor layer includes at least one p-n junction. A plurality of through holes are provided, which through holes are cavities connecting support layer openings provided on a surface of support layer at a side opposite the side where rear surface electrode layer is formed with semiconductor layer openings provided on a surface of semiconductor layer at a side opposite the side where rear surface electrode layer is formed. Front surface electrode layer is formed in a region where semiconductor layer openings are not provided. A method of manufacturing the solar cell is also disclosed.

Abstract: A polylactic acid stereocomplex has a crystal melting peak temperature of 215° C. or more, wherein the crystal melting peak is a single peak and has a peak half width of 12° C. or less, and a crystal melting enthalpy of 60 J/g or more as measured by differential scanning calorimetry. The polylactic acid stereocomplex has a high melting point, good heat resistance, and a high level of mechanical properties and chemical resistance. The method for producing a polylactic acid stereocomplex includes chaotic mixing of 30 to 70 parts by weight of (A) poly-L-lactic acid and 30 to 70 parts by weight of (B) poly-D-lactic acid based on 100 parts by weight of the total of (A) poly-L-lactic acid and (B) poly-D-lactic acid.

Abstract: A compound semiconductor solar battery including a first compound semiconductor photoelectric conversion cell (40a), a second compound semiconductor photoelectric conversion cell (40b) provided on the first compound semiconductor photoelectric conversion cell (40a), and a compound semiconductor buffer layer (41) provided between the first compound semiconductor photoelectric conversion cell (40a) and the second compound semiconductor photoelectric conversion cell (40b), the first compound semiconductor photoelectric conversion cell (40a) and the compound semiconductor buffer layer (41) being provided adjacent to each other, and a ratio of a difference in lattice constant between the first compound semiconductor photoelectric conversion cell (40a) and a compound semiconductor layer (30) provided in a position closest to the first compound semiconductor photoelectric conversion cell (40a) among compound semiconductor layers constituting the compound semiconductor buffer layer (41) being not less than 0.

Abstract: A polylactic acid stereocomplex has a crystal melting peak temperature of 215° C. or more, wherein the crystal melting peak is a single peak and has a peak half width of 12° C. or less, and a crystal melting enthalpy of 60 J/g or more as measured by differential scanning calorimetry. The polylactic acid stereocomplex has a high melting point, good heat resistance, and a high level of mechanical properties and chemical resistance. The method for producing a polylactic acid stereocomplex includes chaotic mixing of 30 to 70 parts by weight of (A) poly-L-lactic acid and 30 to 70 parts by weight of (B) poly-D-lactic acid based on 100 parts by weight of the total of (A) poly-L-lactic acid and (B) poly-D-lactic acid.

Abstract: A compound semiconductor solar battery including a first compound semiconductor photoelectric conversion cell, a second compound semiconductor photoelectric conversion cell provided on the first compound semiconductor photoelectric conversion cell, and a compound semiconductor buffer layer provided between the first compound semiconductor photoelectric conversion cell and the second compound semiconductor photoelectric conversion cell, the first compound semiconductor photoelectric conversion cell and the compound semiconductor buffer layer being provided adjacent to each other, and a ratio of a difference in lattice constant between the first compound semiconductor photoelectric conversion cell and a compound semiconductor layer provided in a position closest to the first compound semiconductor photoelectric conversion cell among compound semiconductor layers constituting the compound semiconductor buffer layer being not less than 0.15% and not more than 0.

Abstract: A solar cell includes a rear surface electrode layer a semiconductor layer formed on a surface of rear surface electrode layer a front surface electrode layer formed on a surface of semiconductor layer and a support layer on a surface of rear surface electrode layer at a side opposite the side where semiconductor layer is formed. Semiconductor layer includes at least one p-n junction. A plurality of through holes are provided, which through holes are cavities connecting support layer openings provided on a surface of support layer at a side opposite the side where rear surface electrode layer is formed with semiconductor layer openings provided on a surface of semiconductor layer at a side opposite the side where rear surface electrode layer is formed. Front surface electrode layer is formed in a region where semiconductor layer openings are not provided. A method of manufacturing the solar cell is also disclosed.

Abstract: On a surface of a GaAs substrate, layers to be a top cell are formed by epitaxial growth. On the top cell, layers to be a bottom cell are formed. Thereafter, on a surface of the bottom cell, a back surface electrode is formed. Thereafter, a glass plate is adhered to the back surface electrode by wax. Then, the GaAs substrate supported by the glass plate is dipped in an alkali solution, whereby the GaAs substrate is removed. Thereafter, a surface electrode is formed on the top cell. Finally the glass plate is separated from the back surface electrode. In this manner, a compound solar battery that improves efficiency of conversion to electric energy can be obtained.

Abstract: A compound semiconductor device epitaxial growth substrate, wherein a semiconductor substrate, a substrate protective layer made of a material that is different from the material of the substrate, a middle layer for making separation of the semiconductor substrate and a compound semiconductor device layer possible, and a compound semiconductor device layer that is formed through epitaxial growth are layered in this order; and a semiconductor device which uses the compound semiconductor device layer that is gained by separating the semiconductor substrate, the substrate protective layer and the middle layer from this compound semiconductor device epitaxial growth substrate; as well as manufacturing methods for these.

Abstract: Disclosed is a method of manufacturing a photoelectric conversion element including a substrate and a stacked body configured of a plurality of compound semiconductor layers of different compositions sequentially stacked on the substrate, and having at least one pn junction in the stacked body. This method includes the steps of forming the stacked body configured of the plurality of compound semiconductor layers of different compositions sequentially stacked on the substrate; forming a protective film on the stacked body; forming a groove by removing at least a portion of the stacked body by at least one method selected from the group consisting of a mechanical removing method, dry etching and laser scribing; etching a side wall of the groove using an etching solution after forming the protective film and the groove; and cutting a portion corresponding to the groove for separation into a plurality of photoelectric conversion elements.

Abstract: In a solar cell, a body portion that includes at least one PN junction portion that is formed by laminating a P layer and an N layer in the front to back direction is formed. End faces of the PN junction portion form part of side faces of the body portion, and a surface electrode is formed on a surface of the body portion and a back surface electrode is formed on a back surface of the body portion. The surface electrode includes a terminal attachment portion to which a surface electrode connecting lead wire through which an electromotive force is extracted is bonded by wire-bonding or spot-welding. An anti-reflection film is formed on a surface of the surface electrode that includes the terminal attachment portion and the surface of the body portion other than a portion where the surface electrode is formed.

Abstract: On a surface of a GaAs substrate, layers to be a top cell are formed by epitaxial growth. On the top cell, layers to be a bottom cell are formed. Thereafter, on a surface of the bottom cell, a back surface electrode is formed. Thereafter, a glass plate is adhered to the back surface electrode by wax. Then, the GaAs substrate supported by the glass plate is dipped in an alkali solution, whereby the GaAs substrate is removed. Thereafter, a surface electrode is formed on the top cell. Finally the glass plate is separated from the back surface electrode. In this manner, a compound solar battery that improves efficiency of conversion to electric energy can be obtained.

Abstract: A compound semiconductor device epitaxial growth substrate, wherein a semiconductor substrate, a substrate protective layer made of a material that is different from the material of the substrate, a middle layer for making separation of the semiconductor substrate and a compound semiconductor device layer possible, and a compound semiconductor device layer that is formed through epitaxial growth are layered in this order; and a semiconductor device which uses the compound semiconductor device layer that is gained by separating the semiconductor substrate, the substrate protective layer and the middle layer from this compound semiconductor device epitaxial growth substrate; as well as manufacturing methods for these.

Abstract: A solar cell includes a first compound semiconductor stacked body with an n-type compound semiconductor layer and a p-type compound semiconductor layer in contact with each other, the first compound semiconductor stacked body has a first electrode of a first polarity and a second electrode of a second polarity, and surfaces of the first electrode and the second electrode are exposed to the same side. A solar cell string using the solar cells and a method of manufacturing the solar cell string are further provided.