Abstract: The invention provides a material for forming a passivation film for a semiconductor substrate. The material includes a polymer compound having an anionic group or a cationic group.

Abstract: The present invention provides a paste composition for an electrode, the paste composition including phosphorus-tin-containing copper alloy particles, glass particles, a solvent and a resin. The present invention also provides a photovoltaic cell element having an electrode formed from the paste composition, and a photovoltaic cell.

Abstract: The present invention provides a paste composition for an electrode, the paste composition comprising phosphorus-containing copper alloy particles, tin-containing particles, glass particles, a solvent and a resin. The present invention also provides a photovoltaic cell element having an electrode formed from the paste composition, and a photovoltaic cell.

Abstract: A paste composition for an electrode, the paste composition comprising: phosphorous-containing copper alloy particles in which the content of phosphorous is from 6% by mass to 8% by mass; glass particles; a solvent; and a resin.

Abstract: The composition for forming an n-type diffusion layer in accordance with the present invention contains a donor element-containing glass powder and a dispersion medium. An n-type diffusion layer and a photovoltaic cell having an n-type diffusion layer are prepared by applying the composition for forming an n-type diffusion layer, followed by a thermal diffusion treatment.

Abstract: The composition for forming an n-type diffusion layer in accordance with the present invention contains a donor element-containing glass powder and a dispersion medium. An n-type diffusion layer and a photovoltaic cell having an n-type diffusion layer are prepared by applying the composition for forming an n-type diffusion layer, followed by a thermal diffusion treatment.

Abstract: The method for producing a photovoltaic cell includes applying, on a partial region of one surface side of a semiconductor substrate, a first n-type diffusion layer forming composition including an n-type impurity-containing glass powder and a dispersion medium; applying, on at least a region other than the partial region on the surface of the semiconductor substrate, a second n-type diffusion layer forming composition which includes an n-type impurity-containing glass powder and a dispersion medium and in which a concentration of the n-type impurity is lower than that of the first n-type diffusion layer forming composition, where the first n-type diffusion layer forming composition is applied; heat-treating the semiconductor substrate on which the first n-type diffusion layer forming composition and the second n-type diffusion layer forming composition are applied to form an n-type diffusion layer; and forming an electrode on the partial region.

Abstract: The method for producing a photovoltaic cell includes applying, on a partial region of one surface side of a semiconductor substrate, a first p-type diffusion layer forming composition including a p-type impurity-containing glass powder and a dispersion medium; applying, on at least a region other than the partial region on the surface of the semiconductor substrate, a second p-type diffusion layer forming composition which includes a p-type impurity-containing glass powder and a dispersion medium and in which a concentration of the p-type impurity is lower than that of the first p-type diffusion layer forming composition, where the first p-type diffusion layer forming composition is applied; heat-treating the semiconductor substrate on which the first p-type diffusion layer forming composition and the second p-type diffusion layer forming composition are applied to form a p-type diffusion layer; and forming an electrode on the partial region.

Abstract: The method for producing a photovoltaic cell includes applying an n-type diffusion layer forming composition including an n-type impurity-containing glass powder and a dispersion medium onto a first region on one surface side of a semiconductor substrate; applying a p-type diffusion layer forming composition including a p-type impurity-containing glass powder and a dispersion medium onto a second region other than the first region on the surface of the semiconductor substrate where the first region is provided; a thermal diffusion process in which an n-type diffusion layer and a p-type diffusion layer are formed by heat-treating the semiconductor substrate onto which the n-type diffusion layer forming composition and the p-type diffusion layer forming composition are applied; and forming an electrode on each of the first region where the n-type diffusion layer is formed and the second region where the p-type diffusion layer is formed, respectively.

Abstract: The paste composition for an electrode are constituted with copper-containing particles having a peak temperature of an exothermic peak showing a maximum area in the simultaneous ThermoGravimetry/Differential Thermal Analysis of 280° C. or higher, glass particles, a solvent, and a resin. Further, the photovoltaic cell has an electrode formed by using the paste composition for a photovoltaic cell electrode.

Abstract: A photosensitive resin composition comprising (a) a compound obtained by reacting a polybasic acid anhydride with the phenolic hydroxyl groups of a novolac-type phenol resin, and (b) a 1,2-quinonediazide compound. The photosensitive resin composition, which comprises component (b) composed of a 1,2-quinonediazide compound in combination with a component (a) obtained by reacting a polybasic acid anhydride with the phenolic hydroxyl groups of a novolac-type phenol resin, exhibits sufficiently high photosensitivity, image contrast, resolution and adhesiveness.

Abstract: In a method for producing a photovoltaic cell, the improvement comprising: 1) coating a portion of a semiconductor substrate with a layer of a composition comprising acceptor element-containing glass particles and a dispersion medium, and 2) heating the coated semiconductor substrate to a temperature sufficient to cause acceptor element diffusion from the glass particles into the semiconductor substrate so as to form an p-type diffusion region in the semiconductor substrate.

Abstract: The paste composition for an electrode according to the present invention includes metal particles containing copper as a main component, a flux, glass particles, a solvent, and a resin. Further, a photovoltaic cell according to the present invention has an electrode formed by using the paste composition for an electrode.

Abstract: The composition for forming a p-type diffusion layer in accordance with the present invention contains an acceptor element-containing glass powder and a dispersion medium. A p-type diffusion layer and a photovoltaic cell having a p-type diffusion layer are prepared by applying the composition for forming a p-type diffusion layer, followed by a thermal diffusion treatment.

Abstract: The composition for forming an n-type diffusion layer in accordance with the present invention contains a donor element-containing glass powder and a dispersion medium. An n-type diffusion layer and a photovoltaic cell having an n-type diffusion layer are prepared by applying the composition for forming an n-type diffusion layer, followed by a thermal diffusion treatment.

Abstract: The paste composition for an electrode of the first aspect of the present invention includes silver alloy particles, glass particles, a resin, and a solvent. The paste composition for an electrode of the second aspect of the present invention includes copper particles, silver or silver alloy particles, glass particles containing P2O5 and V2O5, a resin, and a solvent, in which the content of the copper particles to the silver or silver alloy particles is from 9% by mass to 88% by mass. Further, the cell of a photovoltaic cell of the present invention has an electrode formed by using the paste composition for an electrode.

Abstract: The paste composition for an electrode are constituted with metal particles having copper as a main component, a phosphorous-containing compound, glass particles, a solvent, and a resin. Further, the photovoltaic cell has an electrode formed by using the paste composition for an electrode.

Abstract: The paste composition for an electrode includes metal particles having copper as a main component, glass particles including diphosphorus pentoxide and divanadium pentoxide and having a content of divanadium pentoxide of 1% by mass or more, a solvent, and a resin. Further, the photovoltaic cell has an electrode formed by using the paste composition for an electrode.

Abstract: An optical member for a touch panel of the invention includes a rubber elastic material film 1, in which one surface or both surfaces of the rubber elastic material have an irregular shape. The optical member for a touch panel of the invention can provide a touch panel that reduces errors even in environments having weak external light, enables input without using a special pen, and enables input even when an image in an LCD is displayed as the color black.

Abstract: An optical member 1 for a touch panel having a pair of opposite main surfaces S1 and S2. The optical member 1 includes a first layer 11 and a second layer 12 laminated over the first layer 11. The surface 11a of the first layer 11, adjacent to the second layer 12, has an irregular shape, and the surface 11a of the first layer 11 and the surface 12a of the second layer 12 are partially or completely separated from each other. When the optical member is pressed from one main surface S2, the surface of at least one of the first layer 11 and/or the second layer 12 is reversibly deformed, thereby changing the reflection state of reflected light L2, which is incident from the other main surface S1.