Ceramic capacitor, circuit substrate and manufacturing method of the same

• Main Author: Kaneda, Kazumi
• Format: Patent
• Language: English
• Published: 29.12.2020
• Subjects: BASIC ELECTRIC ELEMENTS; CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; PRINTED CIRCUITS

A ceramic capacitor includes: a multilayer structure in which each of a plurality of dielectric layers and each of a plurality of internal electrode layers are alternately stacked, wherein a main component of the plurality of dielectric layers is ceramic having a perovskite structure expressed by BamTiO3 (0.9990≤m≤1.0015), wherein the plurality of dielectric layers include Mn as a first sub-component, Mg as a second sub-component, a rare earth element which is at least one of Ho and Dy as a third sub-component, V as a fourth sub-component, Si as a fifth sub-component, Ca as a sixth sub-component, wherein an average grain diameter of ceramic grains of the plurality of dielectric layers is 280 nm or more and 380 nm or less.