Abstract: A memory controller includes a plurality of processors, a memory device and a memory manager. The memory device includes a plurality of segments, which are divided into a plurality of segment groups, to which group identifiers are respectively assigned. The memory manager is configured to map a first buffer identifier to a first group identifier from among the group identifiers, select one or more segments only from a first segment group, to which the first group identifier is assigned among the plurality of segment groups, map the first buffer identifier to the one or more segments, and allocate, to a first processor from among the plurality of processors, the first buffer identifier and the one or more segments.

Abstract: A method for manufacturing a rare earth permanent magnet includes manufacturing an NdFeB sintered magnet. A grain boundary diffusion material in the form of a mixed powder comprising an alloy powder containing Re1aMb or M; and Re2 hydride or Re2 fluoride is disposed on a surface of the NdFeB sintered magnet. The grain boundary diffusion material is heated to diffuse at least one of Re1, Re2 and M into a grain boundary part inside the sintered magnet or a grain boundary part region of a sintered magnet main phase grain. Re1 and Re2 are each rare earth elements selected from the group consisting of dysprosium, terbium, neodymium, praseodymium, and holmium, M is a metal compound consisting of copper, zinc, tin, and aluminum, 0.1<a<99.9, and a+b=100.

Abstract: Disclosed is a method of producing a rare earth permanent magnet including preparing a NdFeB sintered magnet, coating a surface of the NdFeB sintered magnet with a grain boundary diffusion material including R hydrate or R fluoride, and RaMb or M, to form a grain boundary diffusion coating layer, and diffusing the grain boundary diffusion material into a grain boundary of the NdFeB sintered magnet by heat treatment, wherein M is a metal having a melting point higher than a heat treatment temperature during the diffusion, R is a rare earth element, and a and b each represent atomic percentages which satisfy the following Equations (1) and (2): 0.1<a<99.9??(1) a+b=100??(2).

Abstract: A method for manufacturing a permanent magnet includes preparing a plurality of permanent magnet blocks having the same size, spacing and arranging the plurality of permanent magnet blocks in a lower mold Having an opened upper side, pressing a side of the lower mold while circulating adhesive in the lower mold and integrating the plurality of permanent magnet blocks such that the adhesive is evenly applied to surface of each of the permanent magnet blocks, thereby forming a permanent magnet assembly and hardening the adhesive by heating the permanent magnet assembly.

Abstract: The present invention relates to a metal encapsulant having good heat dissipation properties, a method of manufacturing same, and a flexible electronic device encapsulated in said metal encapsulant, and particularly, to a metal encapsulant having excellent flexibility, moisture resistance, workability, and heat dissipation properties by forming a coating layer including a metal graphite composite on one surface thereof, to a method of manufacturing same, and a flexible electronic device encapsulated in said metal encapsulant.

Abstract: Disclosed is a method of producing a rare earth permanent magnet including preparing a NdFeB sintered magnet, coating a surface of the NdFeB sintered magnet with a grain boundary diffusion material including R hydrate or R fluoride, and RaMb or M, to form a grain boundary diffusion coating layer, and diffusing the grain boundary diffusion material into a grain boundary of the NdFeB sintered magnet by heat treatment, wherein M is a metal having a melting point higher than a heat treatment temperature during the diffusion, R is a rare earth element, and a and b each represent atomic percentages which satisfy the following Equations (1) and (2): 0.1<a<99.

Abstract: Disclosed is a method of manufacturing a rare earth permanent magnet with substantially improved magnetic property. The method comprises: preparing a magnet master alloy by melting an R-T-B based alloy; pulverizing the magnet master alloy to provide a magnet powder; pressurizing the magnet powder as applying magnetic field to the magnet powder under an inert atmosphere to form a magnet molded body; sintering the magnet molded body under a vacuum atmosphere to obtain a sintered magnet molded body having oxygen content of about 0.1 wt % or less based on the total weight of the sintered magnet molded body; and treating the sintered magnet molded body with Dy and Tb.

Abstract: A NdFeB permanent magnet is provided and includes Nd of about 25 to 30 wt %, Dy of about 0.5 to 6 wt %, Tb of about 0.2 to 2 wt %, Cu of about 0.1 to 0.5 wt %, B of about 0.8 to 2 wt %, a balance of Fe and other inevitable impurities. In addition, a method for producing the permanent magnet is provided.

Abstract: A method for manufacturing a permanent magnet includes preparing a plurality of permanent magnet blocks having the same size, spacing and arranging the plurality of permanent magnet blocks in a lower mold Having an opened upper side, pressing a side of the lower mold while circulating adhesive in the lower mold and integrating the plurality of permanent magnet blocks such that the adhesive is evenly applied to surface of each of the permanent magnet blocks, thereby forming a permanent magnet assembly and hardening the adhesive by heating the permanent magnet assembly.

Abstract: The present invention relates to a metal encapsulant having good heat dissipation properties, a method of manufacturing same, and a flexible electronic device encapsulated in said metal encapsulant, and particularly, to a metal encapsulant having excellent flexibility, moisture resistance, workability, and heat dissipation properties by forming a coating layer including a metal graphite composite on one surface thereof, to a method of manufacturing same, and a flexible electronic device encapsulated in said metal encapsulant.

Abstract: A core formed from powder, such as a stator core for use in a motor for a vehicle, wherein the core is formed from metallic powder and includes an outer part disposed at an inside of the motor, an inner part disposed at an inside of the motor, and a winding part which connects the outer part and the inner part and on which a wire is wound, and to a motor for a vehicle using the same. The winding part is formed to have rounded corners and a height lower than the height of the inner part, and a connection part is obliquely formed between the winding part and the inner part so that the winding part and the inner part are naturally connected.

Abstract: A method for manufacturing a rare earth permanent magnet includes manufacturing an NdFeB sintered magnet. A grain boundary diffusion material in the form of a mixed powder comprising an alloy powder containing Re1aMb or M; and Re2 oxide or Re2 fluoride is disposed on a surface of the NdFeB sintered magnet. The grain boundary diffusion material is heated to diffuse at least one of Re1, Re2 and M into a grain boundary part inside the sintered magnet or a grain boundary part region of a sintered magnet main phase grain. Re1 and Re2 are each rare earth elements selected from the group consisting of dysprosium, terbium, neodymium, praseodymium, and holmium, M is a metal compound consisting of copper, zinc, tin, and aluminum, 0.1<a<99.9, and a+b=100.

Abstract: A core formed from powder, such as a stator core for use in a motor for a vehicle, wherein the core is formed from metallic powder and includes an outer part disposed at an outside of the motor, an inner part disposed at an inside of the motor, and a winding part which connects the outer part and the inner part and on which a wire is wound, and to a motor for a vehicle using the same. The winding part is formed to have rounded corners and a height lower than the height of the inner part, and a connection part is obliquely formed between the winding part and the inner part so that the winding part and the inner part are naturally connected.

Abstract: Provided is a composition for forming a photocatalytic coating layer, a process for preparing said composition, a self-cleaning article comprising a photocatalytic coating layer comprising said composition and a process for preparing said self-cleaning article. The composition may be used to prepare a self-cleaning article having excellent anticorrosion and processability by one coating and drying procedure, without several coating and drying procedures.

Abstract: A core formed from powder, such as a stator core for use in a motor for a vehicle, wherein the core is formed from metallic powder and includes an outer part disposed at an inside of the motor, an inner part disposed at an inside of the motor, and a winding part which connects the outer part and the inner part and on which a wire is wound, and to a motor for a vehicle using the same. The winding part is formed to have rounded corners and a height lower than the height of the inner part, and a connection part is obliquely formed between the winding part and the inner part so that the winding part and the inner part are naturally connected.

Abstract: Provided is a resin composition for surface treatment of a steel sheet including a binder resin, graphene and a solvent. More particularly, as only a small amount of the graphene is included in the resin composition used for surface treatment of a steel sheet, a user-required electrical conductivity can be provided to the steel sheet.

Abstract: Disclosed is a method of producing a rare earth permanent magnet, comprising: obtaining a NdFeB sintered magnet; applying a mixed powder including a Zn-containing metal and a metal compound containing Tb or Dy onto a surface of the sintered magnet; and heat-treating the sintered magnet having the mixed powder applied on its surface.

Abstract: A radiation-curable base resin composition and a fingerprint-resistant resin composition including the same are provided. The radiation-curable base resin composition includes a multifunctional urethane(meth)acrylate having three or more functional groups at 3 to 35 parts by weight, a bifunctional urethane(meth)acrylate at 3 to 35 parts by weight, at least one (meth)acrylic acid ester monomer selected from a monofunctional (meth)acrylic acid ester monomer and a multifunctional (meth)acrylic acid ester monomer at 20 to 60 parts by weight and a radiation polymerization initiator at 0.1 to 15 parts by weight.

Abstract: A NdFeB permanent magnet is provided and includes Nd of about 25 to 30 wt %, Dy of about 0.5 to 6 wt %, Tb of about 0.2 to 2 wt %, Cu of about 0.1 to 0.5 wt %, B of about 0.8 to 2 wt %, a balance of Fe and other inevitable impurities. In addition, a method for producing the permanent magnet is provided.

Abstract: A method of treating a surface of a substrate using modified urushiol derived from Toxicodendron vernicifluum is provided. More particularly, the reactivity of a hydroxyl group of urushiol extracted from fresh Toxicodendron vernicifluum is removed before the lacquer is used as a UV coating agent for a substrate such as a steel sheet. Therefore, the substrate may have high antibacterial activity, and excellent appearance and functionalities such as far-infrared radiation, blocking of electromagnetic waves, enhanced corrosion resistance, high crosslinking speed when a low content of a photoinitiator is used, excellent surface gloss and high scratch resistance.