Dielectric composition and multilayer capacitor

• Main Authors: LEE JONG-HO, PARK JAE-SUNG, KIM HYOUNG-UK, LEE JE-HEE, JEON HYUNG-JUN
• Format: Patent
• Language: Chinese; English
• Published: 04.07.2023
• Subjects: BASIC ELECTRIC ELEMENTS; CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE; ELECTRICITY

A dielectric composition and a multilayer capacitor including the same are disclosed. The dielectric composition includes: a BaTiO3-based main component; a first sub-component including a rare earth element; and a second sub-component including at least one of Ba and Ca, where the rare earth elements include Tb and Dy, and the first sub-component and the second sub-component satisfy a molar content condition of 0.40 lt; (Tbm/TRE) * (Bam + Cam) lt; tRE is the total molar content of the rare earth elements in the first auxiliary component, Tbm is the molar content of the element Tb, and Bam and Cam are the molar content of the elements Ba and Ca in the second auxiliary component. 公开了一种介电组合物和包括介电组合物的多层电容器。所述介电组合物包括：BaTiO3基主成分；第一副成分，包括稀土元素；以及第二副成分，包括Ba和Ca中的至少一种，其中，所述稀土元素包括Tb和Dy，所述第一副成分和所述第二副成分满足摩尔含量条件0.40<(Tbm/T_RE)×(Bam+Cam)<0.93，其中，T_RE是所述第一副成分中的所述稀土元素的总摩尔含量，Tbm指元素Tb的摩尔含量，Bam和Cam指所述第二副成分中的元素Ba和Ca的摩尔含量。