Abstract: The present invention relates to a petroleum resin having the content of a volatile organic compound component of less than 100 wt ppm; and a hydrogenated petroleum resin having the content of a volatile organic compound component of less than 100 wt ppm.

Abstract: The invention relates to an electrode that can be formed by firing in air a conductive paste comprising a copper powder, a boron powder, an additional inorganic powder, a glass frit, and an organic medium, wherein the additional inorganic powder is selected from the group consisting of silica powder, indium tin oxide powder, zinc oxide powder, alumina powder, and mixture thereof.

Abstract: The invention relates to an electrode that can be formed by firing in air a conductive paste comprising a copper powder, a boron powder, an additional inorganic powder, a glass frit, and an organic medium, wherein the additional inorganic powder is zirconia powder.

Abstract: A method for manufacturing a solar cell electrode, comprising the steps of: (a) applying a conductive paste for bus electrode to a wafer in order to form a bus electrode pattern; (b) depositing onto the wafer a photocurable conductive paste for finger electrode from a discharge slot of a dispenser nozzle to thereby form an uncured finger electrode pattern on the wafer, wherein the nozzle moves parallel to the wafer; and (c) curing the uncured finger electrode pattern by exposing the uncured finger electrode pattern to UV light either after forming the uncured finger electrode pattern on the wafer in the step (b), or concurrent with the step (b).

Abstract: A method for manufacturing an electrode comprising the steps of: applying onto a substrate a conductive paste to form a conductive paste layer comprising; (i) 100 parts by weight of a copper powder coated with a metal oxide selected from the group consisting of silicon oxide (SiO2), zinc oxide (ZnO), aluminum oxide (Al2O3), titanium oxide (TiO2), magnesium oxide (MgO) and a mixture thereof; (ii) 5 to 30 parts by weight of a boron powder; and (iii) 0.1 to 10 parts by weight of a glass frit; dispersed in (iv) an organic vehicle; and firing the conductive paste in air.

Abstract: A method for manufacturing an electrode comprising the steps of: applying onto a substrate a conductive paste to form a conductive paste layer comprising; (i) 100 parts by weight of a copper powder coated with a metal oxide selected from the group consisting of silicon oxide (SiO2), zinc oxide (ZnO), aluminum oxide (Al2O3), titanium oxide (TiO2), magnesium oxide (MgO) and a mixture thereof; (ii) 5 to 30 parts by weight of a boron powder; and (iii) 0.1 to 10 parts by weight of a glass frit; dispersed in (iv) an organic vehicle; and firing the conductive paste in air.

Abstract: A method for manufacturing a solar cell electrode, comprising the steps of: (a) applying a conductive paste for bus electrode to a wafer in order to form a bus electrode pattern; (b) depositing onto the wafer a photocurable conductive paste for finger electrode from a discharge slot of a dispenser nozzle to thereby form an uncured finger electrode pattern on the wafer, wherein the nozzle moves parallel to the wafer; and (c) curing the uncured finger electrode pattern by exposing the uncured finger electrode pattern to UV light either after forming the uncured finger electrode pattern on the wafer in the step (b), or concurrent with the step (b).

Abstract: The invention relates to a paste for forming a solar cell electrode, comprising electrically conductive metal particles, glass frit, a cross-linkable agent, a photo polymerization initiator and organic solvent, wherein the content of the cross-linkable agent is 1.0 to 20.0 wt %, the content of the photo polymerization initiator is 0.2 to 15.0 wt %, the content of the organic solvent is greater than 1.0 wt %, based on the total weight of the paste, and wherein over 90 wt % of the organic solvent based on the total weight of the organic solvent has a boiling point at 85° C. or higher.

Abstract: The invention relates to an electrode that can be formed by firing in air a conductive paste comprising a copper powder, a boron powder, an additional inorganic powder, a glass frit, and an organic medium, wherein the additional inorganic powder is zirconia powder.

Abstract: The invention relates to an electrode that can be formed by firing in air a conductive paste comprising a copper powder, a boron powder, an additional inorganic powder, a glass frit, and an organic medium, wherein the additional inorganic powder is selected from the group consisting of silica powder, indium tin oxide powder, zinc oxide powder, alumina powder, and mixture thereof.

Abstract: Disclosed is an electrode, including a conductive layer containing a conductive component selected from the group consisting of copper, nickel, iron, cobalt, titanium, lead, aluminum, tin, and alloys comprising one of these metals as the principal ingredient thereof, and an oxidation protection layer containing boron oxide, said oxidation protection layer covering the top surface of the conductive layer, or covering both the top surface and the sides of the conductive layer, or covering all locations where the conductive layer has been formed; the electrode being formed by air firing the conductive layer and the oxidation protection layer simultaneously.

Abstract: Disclosed is a photosensitive paste including glass frit; organic binder; polymerizable monomer; photopolymerization initiator; and organic solvent, wherein at least a part of the polymerizable monomer contains phosphorus atom within the structure.

Abstract: A low-resistance, fine electrode is formed by baking in air a photosensitive paste which has an inorganic component containing copper powder, boron powder, and glass frit, and an organic component containing a photopolymerization initiator, monomer, and organic vehicle, and in which the average particle size of the copper powder is 2.5 ?m or less, and the content of boron powder based on the total amount of copper powder and boron powder is 8 to 25 wt %.

Abstract: Disclosed is an electrode, including a conductive layer containing a conductive component selected from the group consisting of copper, nickel, iron, cobalt, titanium, lead, aluminum, tin, and alloys comprising one of these metals as the principal ingredient thereof, and an oxidation protection layer containing boron oxide, said oxidation protection layer covering the top surface of the conductive layer, or covering both the top surface and the sides of the conductive layer, or covering all locations where the conductive layer has been formed; the electrode being formed by air firing the conductive layer and the oxidation protection layer simultaneously.

Abstract: A low-resistance, fine electrode is formed by baking in air a photosensitive paste which has an inorganic component containing copper powder, boron powder, and glass frit, and an organic component containing a photopolymerization initiator, monomer, and organic vehicle, and in which the average particle size of the copper powder is 2.5 ?m or less, and the content of boron powder based on the total amount of copper powder and boron powder is 8 to 25 wt %.

Abstract: Disclosed is a photosensitive paste including glass frit; organic binder; polymerizable monomer; photopolymerization initiator; and organic solvent, wherein at least a part of the polymerizable monomer contains phosphorus atom within the structure.

Abstract: This invention provides a thick-film type dielectric with desired adhesivity to the base and very good insulation properties. The dielectric of the present invention includes a lower dielectric layer made of a photosensitive composition and an upper dielectric layer which is made of a photosensitive composition and formed on the aforementioned lower dielectric layer. The softening point (T1) of the primary glass powder used for the aforementioned lower dielectric layer, the softening point (T2) of the primary glass powder used for the aforementioned upper dielectric layer, and the firing temperature (T3) of the aforementioned primary glass powder satisfy the following relationship: T1<T3<T2<T3+30° C.

Abstract: The present invention provides ern. The dielectric has a lower dielectric layer composed of a photosensitive composition and an upper dielectric layer, composed of a photosensitive composition formed on the above-mentioned lower dielectric layer, are included, with the transmittance of the above-mentioned upper dielectric layer to light used in a certain pattern exposure being lower than the transmittance of the above-mentioned lower dielectric layer to the light used in said pattern exposure.

Abstract: This invention provides a thick-film type dielectric with desired adhesivity to the base and very good insulation properties. The dielectric of the present invention includes a lower dielectric layer made of a photosensitive composition and an upper dielectric layer which is made of a photosensitive composition and formed on the aforementioned lower dielectric layer. The softening point (T1) of the primary glass powder used for the aforementioned lower dielectric layer, the softening point (T2) of the primary glass powder used for the aforementioned upper dielectric layer, and the firing temperature (T3) of the aforementioned primary glass powder satisfy the following relationship: T1<T3<T2<T3+30° C.

Abstract: A catalyst supply device (1) has a catalyst vessel (2) in which catalyst slurry (10) is placed; an automatic suction valve (3) connected to the downstream side of the catalyst slurry supply vessel (2); three-way piping (4) for connecting the automatic suction valve (3), automatic discharge valve (6), and a positive displacement pump (5); and the positive displacement pump (5) and the automatic discharge valve (6) that are connected to the three-way piping (4). The catalyst supply device (1) supplies the catalyst slurry (10) to a reaction vessel (7) without causing a catalyst (11) to enter into the inside of the positive displacement pump (5).