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    • 3. 发明公开
    • 페롭스카이트 분말, 이의 제조방법 및 이를 이용한 적층 세라믹 전자부품
    • PEROVSKITE粉末,其制造方法及使用其制造的多层陶瓷电子部件
    • KR1020130055940A
    • 2013-05-29
    • KR1020110121626
    • 2011-11-21
    • 삼성전기주식회사
    • 최창학백혜영유정훈김창훈박금진전형준
    • C04B35/462C04B35/48C04B35/622H01G4/30
    • H01G4/30C04B35/468C04B35/48C04B2235/768
    • PURPOSE: A manufacturing method of a perovskite powder is provided to obtain perovskite powder with excellent dielectric property and electrical performance by manufacturing core-shell structure perovskite powder with a different chemical composition and a matching structure, by using hydrothermal synthesis. CONSTITUTION: A perovskite powder consists of a core portion(1) and shell portion(2). The core portion has a perovskite structure represented by ABO3. The shell portion has a matching structure with the core part, has a different chemical composition from the core portion, and is doped on the core portion. The perovskite atom is doped by one or more selected from aluminum(Al), yttrium(Y), dysprosium(Dy), holmium(Ho), magnesium(Mg), manganese(Mn), vanadium(V), zirconium(Zr) and calcium(Ca). A manufacturing method of the perovskite powder comprises a step of forming a perovskite nuclei; a step of growing the perovskite nuclei in a hydrothermal reactor; a step of preparing a mixture solution by injecting a metal salt aqueous solution into the reactor; and a step of obtaining a perovskite powder by heating the mixture solution.
    • 目的:提供钙钛矿粉末的制造方法,通过使用水热合成,通过制造具有不同化学成分和匹配结构的核 - 壳结构钙钛矿粉末,得到具有优异的介电性能和电性能的钙钛矿粉末。 构成:钙钛矿粉末由芯部分(1)和壳部分(2)组成。 核心部分具有由ABO 3表示的钙钛矿结构。 壳部与芯部具有匹配结构,与芯部具有不同的化学成分,并且在芯部上掺杂。 钙钛矿原子被选自铝(Al),钇(Y),镝(Dy),钬(Ho),镁(Mg),锰(Mn),钒(V),锆(Zr) 和钙(Ca)。 钙钛矿粉末的制造方法包括形成钙钛矿型核的工序; 在水热反应器中生长钙钛矿核的步骤; 通过将金属盐水溶液注入反应器来制备混合溶液的步骤; 以及通过加热混合溶液获得钙钛矿粉末的步骤。
    • 5. 发明公开
    • 고결정성 유전체 재료, 이의 제조 장치 및 제조 방법
    • 具有高结晶度的电介质材料,其制备方法及其制备方法
    • KR1020120108482A
    • 2012-10-05
    • KR1020110026388
    • 2011-03-24
    • 삼성전기주식회사
    • 박금진최창학
    • C04B35/46C04B35/49C04B35/465B28B13/02
    • G06T17/20G06T15/50
    • PURPOSE: A high crystalline dielectric material and a manufacturing device and a method of manufacture thereof are provided to improve the crystallinity of particles. CONSTITUTION: A high crystalline dielectric material has a crystallization axial ratio of 1.003-1.010, a BET non-surface area of 4-80 m^2/g, and a particle size of 15-200 nanometers. The dielectric substance has a perovskite structure marked as ABO3. In the structure of ABO3, A is one or more selected from Mg, Ca, Sr, Pb, Ba and La. B is one or more selected from Ti, Zr and Hf. The manufacturing device of the high crystalline dielectric substance comprises a pair of material feeders(10,20), a mixing tank(30), an autoclave(40) and a cooling pump(50). A manufacturing method of the high crystalline dielectric substance comprises the following steps: dissolving starting raw material A and B in each reactor; manufacturing the nuclei of granules by reacting the starting raw material A and B in the blending tank; and growing the nuclei in a thermostat autoclave. [Reference numerals] (31) Ultrasonic device; (33) High pressure pump; (AA) Filter
    • 目的:提供高结晶介电材料和制造装置及其制造方法以改善颗粒的结晶度。 构成:高结晶介电材料的结晶轴比为1.003-1.010,BET非表面积为4-80m 2 / g,粒径为15-200纳米。 介电物质具有标记为ABO 3的钙钛矿结构。 在ABO3的结构中,A是选自Mg,Ca,Sr,Pb,Ba和La中的一种或多种,​​B是选自Ti,Zr和Hf中的一种或多种。 高结晶介电材料的制造装置包括一对材料给料器(10,20),混合罐(30),高压釜(40)和冷却泵(50)。 高结晶电介质的制造方法包括以下步骤:将起始原料A和B溶解在各反应器中; 通过使混合罐中的起始原料A和B反应制造颗粒的核; 并在恒温高压釜中生长核。 (附图标记)(31)超声波装置; (33)高压泵; (AA)过滤器