Abstract:
PURPOSE: A low temperature sintering piezoelectric ceramic composition, a manufacturing method thereof, and a laminated piezoelectric ceramic device using the same are provided to change compositions by the addition of CuO, and to maintain an excellent piezoelectric characteristic in low temperatures. CONSTITUTION: (1-x-y)PZ1-zTz-xPNN-yPZN(0.25
Abstract translation:目的:提供一种低温烧结压电陶瓷组合物及其制造方法以及使用该低温烧结压电陶瓷组合物的叠层压电陶瓷器件,通过添加CuO来改变组成,并在低温下保持优异的压电特性。 构成:制造(1-x-y)PZ1-zTz-xPNN-yPZN(0.25 <= x + y <= 0.55,0.50 <= z <= 0.65)粉末(S110)。 (1-x-y)PZ1-zTz-xPNN-yPZN粉末与含有Wmol%的CuO(0
Abstract:
PURPOSE: A piezoelectricity composition for low-temperature sintering, a manufacturing method thereof, and a piezoelectric element using the same are provided to produce a piezoelectricity composition which is usable in the wide temperature range by having high Curie temperature. CONSTITUTION: PbO, ZrO2, TiO2, NiO, ZnO, and Nb2O5 powders more than 99% purity are weighed according to composition(S111). The ZnO and the NiO as w mol%(0
Abstract translation:目的:提供一种用于低温烧结的压电组合物,其制造方法和使用该压电元件的压电元件,以产生可通过具有高居里温度在宽温度范围内使用的压电组合物。 构成:根据组成(S111)称量纯度超过99%的PbO,ZrO 2,TiO 2,NiO,ZnO和Nb 2 O 5粉末。 另外称重ZnO和NiO作为加权量的wmol%(0
Abstract:
본 발명은 전단변형 모드 압전체를 이용한 압전발전기에 관한 것으로, 보다 상세하게는 일면에 개구부가 형성되고, 개구부 반대면 중앙에 고정축이 고정된 외측 프레임; 상기 외측 프레임의 상기 개구부를 밀폐시키며 상하 이동이 가능하게 결합되는 외력전달면 및 상기 외력전달면에 수직한 방향으로 형성된 제 1 외력전달축 및 제 2 외력전달축을 포함하는 외력전달부; 및 상기 고정축에 일면이 고정되고, 타면은 상기 각각의 외력전달축과 접촉되도록 고정되어 전단응력을 발생시키는 제 1 및 제 2 압전체를 포함하는 압전발전기에 관한 것이다.
Abstract:
본 발명은 솔-겔 방법을 이용하여 납이 첨가되지 않은 KNN계 고품질 압전박막의 형성을 위하여, 버퍼층을 삽입하여, 기판과 압전박막 간의 물리적 상수의 불일치에 의해 발생하는 잔류 응력을 효과적으로 감소시킬 수 있고, 이로 인해 기저 기판과의 물리적 상수 불일치에 따른 막의 특성 저하로 인해 발생하는 누설 전류 특성 등의 문제를 해결할 수 있다.
Abstract:
PURPOSE: An oxide electrode material and laminated ceramic electronic component including the same are provided to maintain a role of inside electrode in a complete product after sintering by maintaining electric conductivity in a high temperature heat treatment temperature. CONSTITUTION: A MLCC(Multi-Layer Ceramic Capacitor) includes an external electrode(20), a ceramic layer(10) laminated between the external electrodes, and internal electrode(30) pinched between ceramics. Resistivity of an oxide electrode material is in a range of 10^-4Ωcm to 10^1Ωcm. Electric conductance maintains after simultaneously sintering with the laminated ceramic. The same sintering temperature with the laminated ceramic is in a range of 800°C to 1600°C. The oxide electrode material is composed of one among RuO2-SnO2-TiO2 system, RuO2-SnO2-IrO2 system, In-Sn-O system, moSi2 system, perovskite type oxide or spinel type oxide.
Abstract:
PURPOSE: A piezoelectric speaker is provided to obtain the big sound energy more than the existing piezoelectric speaker by welding a metal plate in a laminated piezo-ceramic board. CONSTITUTION: One of a piezo-ceramic board(110) comprises a first and second conductive via holes(111, 112). A first electrode(130) is connected to the first conductive via hole. The first electrode comprises first electrode lines(131a, 131b, 131c) of concentric. A second electrode(150) is connected to the second conductive via hole. The second electrode is separated with first electrode lines. The second electrode comprises second electrode lines(151a, 151b, 151c) of concentric. Voltage is applied in the first electrode and the second electrode of the piezo-ceramic disc in order to produce the thickness vibration.
Abstract:
A trimmer capacitor and a manufacturing method thereof are provided to improve strength by forming a dielectric layer after forming a fixed electrode on a ceramic substrate. A fixed electrode is formed on a ceramic substrate(S100). A dielectric layer is formed with surrounding a fixed electrode on the top of the ceramic substrate(S110). The fixed electrode and the dielectric layer(S120) are plasticized. The ceramic substrate is diced. A discrete dielectric chip is formed. A rotor for the trimmer capacitor is formed on each dielectric chip(S130). The rotor for the trimmer capacitor comprises a movable electrode. The movable electrode generates electrostatic capacity. The rotor for the trimmer capacitor varies the electrostatic capacity through rotation adjustment.
Abstract:
PURPOSE: Provided is a dielectric ceramic composition having a high dielectric constant and an excellent quality coefficient, which can be used for a lamination type filter for high frequency. CONSTITUTION: The dielectric ceramic composition is represented by the formula (1-x)PbMoO4-xTiO2, wherein 0
Abstract translation:目的:提供具有高介电常数和优异质量系数的电介质陶瓷组合物,其可用于高频层叠型滤波器。 构成:介电陶瓷组合物由式(1-x)PbMoO 4-xTiO 2表示,其中0 <= x <= 0.3。 并且介电陶瓷组合物通过混合PbO,MoO 3和TiO 2,并将少于5重量%(基于总组合物的重量)作为低温烧结添加剂的B 2 O 3加入到混合物中,然后混合和干燥。