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Ceramic dielectric material and monolithic capacitor
The invention belongs to the technical field of ceramic materials, and particularly relates to a ceramic dielectric material which comprises the following functional components: a principal crystalline phase, a modified additive and a sintering aid, wherein the principal crystalline phase is (BaxCaySrz)m(Zr[alpha]Ti[beta])O3, wherein x is greater than 0.01 and less than 0.2, y is greater than 0.4 and less than 0.8, z is greater than 0.1 and less than 0.4, m is greater than 0.95 and less than 1.01, alpha is greater than 0.7 and less than 1.0, and beta is greater than 0 and less than 0.1. The dielectric material disclosed by the invention meets COG characteristics of EIA standards, and is uniform in material particles, uniform in particle size distribution, simple in preparation process and excellent in dielectric property; and the dielectric material is used for manufacturing an MLCC, is matched with a nickel inner electrode, is small, uniform and compact in sintering grain, and is suitable for manufacturing thin-medium, large-capacity and high-reliability MLCC products.
本发明属于陶瓷材料技术领域，具体涉及一种陶瓷介质材料，所述陶瓷介质材料的功能性成分包括主晶相、改性添加剂和烧结助剂；所述主晶相为(BaxCaySrz)m(ZrαTiβ)O3，其中0.01<α<1.0，0<β<0.1。本发明的介质材料符合EIA标准的COG特性，材料颗粒均一、粒度分布均匀、制备工艺简单、介电性能优良；该介质材料制作MLCC，匹配镍内电极，烧结晶粒小、均匀、致密，适合于制作薄介质、大容量、高可靠的MLCC产品。
Ceramic dielectric material and monolithic capacitor
The invention belongs to the technical field of ceramic materials, and particularly relates to a ceramic dielectric material which comprises the following functional components: a principal crystalline phase, a modified additive and a sintering aid, wherein the principal crystalline phase is (BaxCaySrz)m(Zr[alpha]Ti[beta])O3, wherein x is greater than 0.01 and less than 0.2, y is greater than 0.4 and less than 0.8, z is greater than 0.1 and less than 0.4, m is greater than 0.95 and less than 1.01, alpha is greater than 0.7 and less than 1.0, and beta is greater than 0 and less than 0.1. The dielectric material disclosed by the invention meets COG characteristics of EIA standards, and is uniform in material particles, uniform in particle size distribution, simple in preparation process and excellent in dielectric property; and the dielectric material is used for manufacturing an MLCC, is matched with a nickel inner electrode, is small, uniform and compact in sintering grain, and is suitable for manufacturing thin-medium, large-capacity and high-reliability MLCC products.
本发明属于陶瓷材料技术领域，具体涉及一种陶瓷介质材料，所述陶瓷介质材料的功能性成分包括主晶相、改性添加剂和烧结助剂；所述主晶相为(BaxCaySrz)m(ZrαTiβ)O3，其中0.01<α<1.0，0<β<0.1。本发明的介质材料符合EIA标准的COG特性，材料颗粒均一、粒度分布均匀、制备工艺简单、介电性能优良；该介质材料制作MLCC，匹配镍内电极，烧结晶粒小、均匀、致密，适合于制作薄介质、大容量、高可靠的MLCC产品。
Ceramic dielectric material and monolithic capacitor
一种陶瓷介质材料及其独石电容器
CHEN SHICHUN (author) / YANG AIMIN (author) / ZHANG QIAOYUN (author) / ZHANG YING (author) / ZHENG YU (author) / SONG XIBIN (author)
2021-07-30
Patent
Electronic Resource
Chinese
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