A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
DIELECTRIC CERAMIC COMPOSITION, DIELECTRIC MATERIAL AND MULTILAYER CERAMIC CAPACITOR INCLUDING THE SAME
PROBLEM TO BE SOLVED: To provide a dielectric ceramic composition, a dielectric material and a multilayer ceramic capacitor including this.SOLUTION: One embodiment of the present invention provides a dielectric ceramic composition that includes a main component made of a barium titanate matrix and an auxiliary component, in which in a fine structure after sintering, when a crystal grain having a content of calcium of smaller than 2.5 mol% is defined as a first crystal grain, and a crystal grain having the content of calcium of from 4.0 to 12.0 mol% is defined as a second grain, a ratio of an average size of the first crystal grain after sintering to an average size of the second crystal grain after sintering satisfies 1.6 to 2.2.SELECTED DRAWING: Figure 1
【課題】本発明は、誘電体磁器組成物、誘電体材料及びこれを含む積層セラミックキャパシターに関する。【解決手段】本発明の一実施形態は、チタン酸バリウム系母材主成分と、副成分と、を含み、焼結後の微細構造において、Ｃａの含有量が２．５ｍｏｌ％未満である結晶粒を第１結晶粒、Ｃａの含有量が４．０〜１２．０ｍｏｌ％である結晶粒を第２結晶粒と規定したときに、焼成後の上記第２結晶粒の平均サイズに対する焼成後の上記第１結晶粒の平均サイズの割合が１．６〜２．２を満たす誘電体磁器組成物を提供する。【選択図】図１
DIELECTRIC CERAMIC COMPOSITION, DIELECTRIC MATERIAL AND MULTILAYER CERAMIC CAPACITOR INCLUDING THE SAME
PROBLEM TO BE SOLVED: To provide a dielectric ceramic composition, a dielectric material and a multilayer ceramic capacitor including this.SOLUTION: One embodiment of the present invention provides a dielectric ceramic composition that includes a main component made of a barium titanate matrix and an auxiliary component, in which in a fine structure after sintering, when a crystal grain having a content of calcium of smaller than 2.5 mol% is defined as a first crystal grain, and a crystal grain having the content of calcium of from 4.0 to 12.0 mol% is defined as a second grain, a ratio of an average size of the first crystal grain after sintering to an average size of the second crystal grain after sintering satisfies 1.6 to 2.2.SELECTED DRAWING: Figure 1
【課題】本発明は、誘電体磁器組成物、誘電体材料及びこれを含む積層セラミックキャパシターに関する。【解決手段】本発明の一実施形態は、チタン酸バリウム系母材主成分と、副成分と、を含み、焼結後の微細構造において、Ｃａの含有量が２．５ｍｏｌ％未満である結晶粒を第１結晶粒、Ｃａの含有量が４．０〜１２．０ｍｏｌ％である結晶粒を第２結晶粒と規定したときに、焼成後の上記第２結晶粒の平均サイズに対する焼成後の上記第１結晶粒の平均サイズの割合が１．６〜２．２を満たす誘電体磁器組成物を提供する。【選択図】図１
DIELECTRIC CERAMIC COMPOSITION, DIELECTRIC MATERIAL AND MULTILAYER CERAMIC CAPACITOR INCLUDING THE SAME
誘電体磁器組成物、誘電体材料及びこれを含む積層セラミックキャパシター
PARK YUN JUNG (author) / YOON SEOK HYUN (author) / KIM HYOUNG UK (author) / KIM CHANG HOON (author) / KIM DOO YOUNG (author)
2017-06-29
Patent
Electronic Resource
Japanese
| European Patent Office | 2017
| European Patent Office | 2016
| European Patent Office | 2016
| European Patent Office | 2016
| European Patent Office | 2016