Abstract: According to example embodiments, a method of manufacturing a semiconductor device is provided. The method includes forming an etching target layer on a substrate; forming a first photoresist layer on the etching target layer; forming a first alignment key under the first photoresist layer and a first alignment pattern aligned in a first direction perpendicular to a top surface of the substrate, by exposing and developing the first photoresist layer; forming a second alignment key under the first photoresist layer and a second alignment pattern aligned in the first direction, by exposing and developing the first photoresist layer; and forming a third alignment key aligned with the first alignment key in the first direction under the first photoresist layer and a fourth alignment key aligned with the second alignment key in the first direction on the etching target layer based on the first and second alignment patterns.

Abstract: A composition for forming an electrode includes a conductive powder, a glass frit, an organic binder, and a solvent. The organic binder includes a polymer including a structural unit represented by Chemical Formula 1 and a structural unit represented by Chemical Formula 2. In Chemical Formulae 1 and 2, each substituent of Chemical Formulae 1 and 2 is the same as in the detailed description.

Abstract: A composition for forming an electrode includes a conductive powder, a glass frit, an organic binder, and a solvent, wherein the organic binder includes a polymer including a first structural unit selected from a structural unit represented by Chemical Formula 1A, a structural unit represented by Chemical Formula 1B, and a combination thereof, and the a second structural unit represented by Chemical Formula 2. Each substituent of Chemical Formula 1A, Chemical Formula 1B and Chemical Formula 2 is the same as in the detailed description.

Abstract: A composition for forming an electrode for a solar cell includes a conductive powder, a glass fit, and an organic binder that includes a cellulose compound that includes a structural unit represented by Chemical Formula 1, Also disclosed are a solar cell electrode manufactured using the composition for forming an electrode for a solar cell, and a solar cell including the electrode.

Abstract: A composition for forming an electrode for a solar cell includes a conductive powder, a glass frit, and an organic vehicle, the organic vehicle including a thickener including a structural unit represented by Chemical Formula 1,

Abstract: A composition for forming an electrode includes a conductive powder, a glass frit, an organic binder, and a solvent. The organic binder includes a polymer including a structural unit represented by Chemical Formula 1 and a structural unit represented by Chemical Formula 2. In Chemical Formulae 1 and 2, each substituent of Chemical Formulae 1 and 2 is the same as in the detailed description.

Abstract: Provided are a method of forming an electrode pattern for a solar cell, an electrode manufactured using the same, and a solar cell. The method of forming an electrode pattern for a solar cell includes preparing a composition for forming a solar cell electrode including a conductive powder, a glass frit, an organic binder, and a solvent, and coating the composition for forming a solar cell electrode on a screen mask with an organic layer followed by drying and firing the same, wherein a difference of water contact angles of the composition for forming a solar cell electrode and the screen mask with the organic layer ranges from 40 degrees to 60 degrees.

Abstract: A composition for forming an electrode for a solar cell includes a conductive powder, a glass frit, and an organic vehicle, the organic vehicle including a thickener including a structural unit represented by Chemical Formula 1,

Abstract: A composition for forming an electrode for a solar cell includes a conductive powder, a glass fit, and an organic binder that includes a cellulose compound that includes a structural unit represented by Chemical Formula 1, Also disclosed are a solar cell electrode manufactured using the composition for forming an electrode for a solar cell, and a solar cell including the electrode.

Abstract: A composition for solar cell electrodes, the composition including silver (Ag) powder; a glass frit; an organic binder; and a solvent, the organic binder including a compound containing a repeat unit represented by Formula 1: wherein R1 is Na+, K+, NH4+, or PH3+; R2 is a hydrogen atom or a C1 to C2 alkyl group; and n is an integer of 1 to 3,500.

Abstract: A composition for forming an electrode includes a conductive powder, a glass frit, an organic binder, and a solvent, wherein the organic binder includes a polymer including a first structural unit selected from a structural unit represented by Chemical Formula 1A, a structural unit represented by Chemical Formula 1B, and a combination thereof, and the a second structural unit represented by Chemical Formula 2. Each substituent of Chemical Formula 1A, Chemical Formula 1B and Chemical Formula 2 is the same as in the detailed description.

Abstract: A cellulose resin produced by binding cardanol or a derivative thereof to cellulose or a derivative thereof with the use of a cellulose hydroxy group of the cellulose or a derivative thereof and the phenolic hydroxy group of the cardanol or a derivative thereof.

Abstract: A cellulose resin composition containing a cellulose resin produced by binding a cardanol or a derivative thereof to cellulose or a derivative thereof, and a cardanol-modified silicone compound produced by binding cardanol or a derivative thereof to a silicone compound.

Abstract: A cellulose resin produced by binding a hydrogenated cardanol containing 3-pentadecylcyclohexanol, and cellulose or a derivative thereof through the reaction between a hydroxy group of the hydrogenated cardanol, a hydroxy group of the cellulose or a derivative thereof and isocyanate groups of a diisocyanate compound.

Abstract: A composition for solar cell electrodes, the composition including silver (Ag) powder; a glass frit; an organic binder; and a solvent, the organic binder including a compound containing a repeat unit represented by Formula 1: wherein R1 is Na+, K+, NH4+, or PH3+; R2 is a hydrogen atom or a C1 to C2 alkyl group; and n is an integer of 1 to 3,500.

Abstract: A cellulose resin produced by binding cardanol or a derivative thereof, and a flexible component to cellulose or a derivative thereof.

Abstract: A cellulose resin produced by binding cellulose or a derivative thereof and cardanol or a derivative thereof by using a hydroxy group of the cellulose or a derivative thereof and a hydroxy group of the cardanol or a derivative thereof, in which carbon atoms to which the hydroxy groups are bound are mutually linked via a carbonate bond or urethane bond formed by using the hydroxy groups.

Abstract: A cellulose resin produced by binding cardanol or a derivative thereof to cellulose or a derivative thereof with the use of a cellulose hydroxy group of the cellulose or a derivative thereof and the phenolic hydroxy group of the cardanol or a derivative thereof.

Abstract: A cellulose resin produced by binding cardanol or a derivative thereof and abietic acid or a derivative thereof to cellulose or a derivative thereof.

Abstract: A cellulose resin produced by binding cardanol or a derivative thereof to cellulose or a derivative thereof with the use of a cellulose hydroxy group of the cellulose or a derivative thereof and the phenolic hydroxy group of the cardanol or a derivative thereof.