Abstract:
PROBLEM TO BE SOLVED: To disclose a non-sintered MIM capacitor and a method of manufacturing the same.SOLUTION: A method of manufacturing a non-sintered MIM capacitor includes the step of producing a lower metal-an insulator-an upper metal, where the insulator is a highly dielectric ceramic powder containing small powder, and large powder having an average particle size larger than that of the small powder, the step of preparing a ceramic-polymer composition containing polymer resin and solvent, the step of forming a ceramic-polymer membrane by applying the ceramic-polymer composition onto the lower metal, and the step of curing the polymer resin in the ceramic-polymer membrane thus formed and the capacitor is formed by a non-sintering method.
Abstract:
Provided a method of method of manufacturing a silicon carbide-containing heat storage material, including the steps of: providing a silicon sludge produced from a silicon wafer cutting process; heat-treating the silicon sludge in a non-oxidative atmosphere to remove a part of oil; mixing the silicon sludge with a binder to prepare a slurry; extruding the slurry to form a honeycombed compact; and reaction-sintering the honeycombed compact at a temperature of 1300 ~ 1900℃ in a non-oxidative atmosphere. The method is advantageous in that a silicon carbide-containing heat storage material having high thermal conductivity, heat accumulation characteristics and chemical resistance can be manufactured at a low cost.
Abstract:
Provided are a piezoelectric material and a method of manufacturing the piezoelectric material. The method includes producing raw material powders including AgNbO3, KNbO3, andNaNbO3, respectively, and synthesizing the raw material powders in sequence to manufacture a piezo¬ electric material powder of xAgNb03-yKNb03-zNaNb03. As such, xAgNbO3-yKNbO3-zNaNbO3 having a single phase perovskite crystal structure can be manu¬ factured. Accordingly, sintering can be performed in air, and thus the manufacturing cost can be reduced and the productivity can be improved in comparison to the typical method performed in an oxygen atmosphere.
Abstract:
The present invention relates to a collection apparatus for collecting particulate matter generated due to friction between a rotor and a brake pad in a brake system of a transport facility, the collection apparatus including a first collector configured to surround a portion of an outer side surface of the rotor, an upper collector configured to surround a portion of an outer peripheral surface of the rotor, and a second collector configured to surround a portion of an inner side surface of the rotor, wherein the first collector and the second collector are made of porous ceramic foam. According to the present invention, particulate matter generated due to friction between a rotor and a brake pad in a brake system of a transport facility can be efficiently collected, and by reducing the amount of particulate matter generated when braking a transport facility, air pollution can be prevented.
Abstract:
The present invention relates to a method of forming a plasma resistant oxyfluoride coating layer, including: mounting a substrate on a substrate holder provided in a chamber; causing an electron beam scanned from an electron gun to be incident on an oxide evaporation source accommodated in a first crucible, and heating, melting, and vaporizing the oxide evaporation source as the electron beam is incident on the oxide evaporation source; vaporizing a fluoride accommodated in a second crucible; and advancing an evaporation gas generated from the oxide evaporation source and a fluorine-containing gas generated from the fluoride toward the substrate, and reacting the evaporation gas generated from the oxide evaporation source and the fluorine-containing gas generated from the fluoride to deposit an oxyfluoride on the substrate. According to the present invention, it is possible to form a dense and stable oxyfluoride coating layer having excellent plasma resistance, suppressed generation of contaminant particles, and no cracks.
Abstract:
A heat dissipation material is provided. In the heat dissipation material with a filler, comprising secondary particles in which primary particles are aggregated, the filler in a polymer resin matrix may form a thermal interface layer for conduction of thermal energy between a heat generation part and a heat absorption part.
Abstract:
A high-voltage antiferroelectric and a method for manufacturing the same are provided. The antiferroelectric has a composition of PbxLa1-x([Zr1-YSnY]ZTi1-Z). The antiferroelectric is sintered at a low temperature, and has a high density and a high breakdown voltage.
Abstract:
The present invention provides a plasma-resistant ceramic member, which includes a substrate and a ceramic coating layer formed on the substrate, in which the ceramic coating layer includes a lower layer consisting of an oxide formed on the substrate, and a surface layer in which an oxide composition component constituting the surface of the ceramic coating layer is surface-modified with a composition containing one or more anions selected from the group consisting of F− and Cl−, wherein the surface layer is a layer in which a raw material containing one or more anions selected from the group consisting of F− and Cl− is vaporized by heating and adsorbed to the surface of the ceramic coating layer, and thus modified with a composition containing one or more anions selected from the group consisting of F− and Cl−, and a method of manufacturing the same. According to the present invention, the plasma-resistant property, durability, and etching process stability of the ceramic member may be improved with low costs.