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Copper inner electrode nonlinear multilayer ceramic capacitor and sintering method thereof
The invention discloses a copper inner electrode non-linear multilayer ceramic capacitor and a sintering method thereof, and the method comprises the steps: carrying out the bonding of the copper inner electrode non-linear multilayer ceramic capacitor in an inert atmosphere or a reducing atmosphere, and obtaining a copper inner electrode non-linear multilayer ceramic capacitor green body; placing the obtained copper inner electrode nonlinear multilayer ceramic capacitor green body in a corundum crucible and covering the corundum crucible with ceramic powder; the ceramic capacitor green body covered with the ceramic powder is sintered in inert gas or reducing gas, the copper inner electrode nonlinear multilayer ceramic capacitor is obtained, and by means of the sintering method, the purposes that the copper inner electrode is not oxidized and lead ions are not reduced are achieved; the inner electrode is continuous and the dielectric layer is compact; the insulation resistance is kept at the order of magnitude of 1012 ohms; the dielectric loss is within 0.1; the breakdown electric field reaches 260 kV/cm, and the maximum polarization intensity reaches 34 [mu] C/cm < 2 >. According to the invention, the production cost is greatly reduced, and the industrial development of the copper inner electrode multilayer ceramic capacitor is promoted.
本发明公开了一种铜内电极非线性多层陶瓷电容器及其烧结方法，所述方法包括将铜内电极非线性多层陶瓷电容器在惰性气氛下或还原性气氛下排粘，得到铜内电极非线性多层陶瓷电容器生坯；将所得铜内电极非线性多层陶瓷电容器生坯置于刚玉坩埚内并覆盖陶瓷粉料；将覆盖陶瓷粉体的陶瓷电容器生坯在惰性气体或还原性气体烧结，得到铜内电极非线性多层陶瓷电容器，利用本发明的烧结方法，实现了铜内电极未被氧化和铅离子未被还原的目标；内电极连续，介质层致密；绝缘电阻保持在1012Ω数量级；介电损耗在0.1以内；击穿电场达到260kV/cm，最大极化强度达到34μC/cm2。本发明有助于大幅度降低生产成本，促进铜内电极多层陶瓷电容器工业化发展。
Copper inner electrode nonlinear multilayer ceramic capacitor and sintering method thereof
The invention discloses a copper inner electrode non-linear multilayer ceramic capacitor and a sintering method thereof, and the method comprises the steps: carrying out the bonding of the copper inner electrode non-linear multilayer ceramic capacitor in an inert atmosphere or a reducing atmosphere, and obtaining a copper inner electrode non-linear multilayer ceramic capacitor green body; placing the obtained copper inner electrode nonlinear multilayer ceramic capacitor green body in a corundum crucible and covering the corundum crucible with ceramic powder; the ceramic capacitor green body covered with the ceramic powder is sintered in inert gas or reducing gas, the copper inner electrode nonlinear multilayer ceramic capacitor is obtained, and by means of the sintering method, the purposes that the copper inner electrode is not oxidized and lead ions are not reduced are achieved; the inner electrode is continuous and the dielectric layer is compact; the insulation resistance is kept at the order of magnitude of 1012 ohms; the dielectric loss is within 0.1; the breakdown electric field reaches 260 kV/cm, and the maximum polarization intensity reaches 34 [mu] C/cm < 2 >. According to the invention, the production cost is greatly reduced, and the industrial development of the copper inner electrode multilayer ceramic capacitor is promoted.
本发明公开了一种铜内电极非线性多层陶瓷电容器及其烧结方法，所述方法包括将铜内电极非线性多层陶瓷电容器在惰性气氛下或还原性气氛下排粘，得到铜内电极非线性多层陶瓷电容器生坯；将所得铜内电极非线性多层陶瓷电容器生坯置于刚玉坩埚内并覆盖陶瓷粉料；将覆盖陶瓷粉体的陶瓷电容器生坯在惰性气体或还原性气体烧结，得到铜内电极非线性多层陶瓷电容器，利用本发明的烧结方法，实现了铜内电极未被氧化和铅离子未被还原的目标；内电极连续，介质层致密；绝缘电阻保持在1012Ω数量级；介电损耗在0.1以内；击穿电场达到260kV/cm，最大极化强度达到34μC/cm2。本发明有助于大幅度降低生产成本，促进铜内电极多层陶瓷电容器工业化发展。
Copper inner electrode nonlinear multilayer ceramic capacitor and sintering method thereof
一种铜内电极非线性多层陶瓷电容器及其烧结方法
SUN HONGCHEN (author) / XU ZHUO (author) / FENG YUJUN (author) / WEI XIAOYONG (author) / XU RAN (author)
2024-10-25
Patent
Electronic Resource
Chinese
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