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MULTI-LAYER CERAMIC CAPACITOR AND MANUFACTURING METHOD THEREFOR
To provide a multi-layer ceramic capacitor having higher insulation reliability and to be used for temperature compensation and a manufacturing method therefor.SOLUTION: A multi-layer ceramic capacitor comprises a laminate including dielectric layers 17 and internal electrode layers 18 that are laminated alternately. The dielectric layers 17 include a first phase P1 taking calcium strontium titanate zirconate as its primary component and a second phase P2 taking barium zirconate as its primary component. In cross sections of the dielectric layers 17, line segments L1 to L10 drawn in parallel with a direction in which the dielectric layers 17 and the internal electrode layers 18 are laminated come into contact with boundaries of the first phase P1 and the second phase P2 one or more times. In a cross section of one dielectric layer 17 interposed between internal electrode layers 18, an average number N of contact calculated using a predetermined procedure is equal to or larger than 1.0.SELECTED DRAWING: Figure 4
【課題】より絶縁信頼性の高い温度補償用途の積層セラミックコンデンサ及びその製造方法を提供する。【解決手段】積層セラミックコンデンサは、誘電体層１７と内部電極層１８が交互に積層された積層体を備える。誘電体層１７は、チタン酸ジルコン酸ストロンチウムカルシウムを主成分とする第１の相Ｐ１と、ジルコン酸バリウムを主成分とする第２の相Ｐ２とを含む。誘電体層１７の断面において、誘電体層１７と内部電極層１８が積層する方向に平行に引いた線分Ｌ１〜Ｌ１０は、第１の相Ｐ１と第２の相Ｐ２の境界に１回以上接触する。内部電極層１８に挟まれた１つの誘電体層１７の断面において、所定の手順によって求められる平均接触数Ｎが１．０以上である。【選択図】図４
MULTI-LAYER CERAMIC CAPACITOR AND MANUFACTURING METHOD THEREFOR
To provide a multi-layer ceramic capacitor having higher insulation reliability and to be used for temperature compensation and a manufacturing method therefor.SOLUTION: A multi-layer ceramic capacitor comprises a laminate including dielectric layers 17 and internal electrode layers 18 that are laminated alternately. The dielectric layers 17 include a first phase P1 taking calcium strontium titanate zirconate as its primary component and a second phase P2 taking barium zirconate as its primary component. In cross sections of the dielectric layers 17, line segments L1 to L10 drawn in parallel with a direction in which the dielectric layers 17 and the internal electrode layers 18 are laminated come into contact with boundaries of the first phase P1 and the second phase P2 one or more times. In a cross section of one dielectric layer 17 interposed between internal electrode layers 18, an average number N of contact calculated using a predetermined procedure is equal to or larger than 1.0.SELECTED DRAWING: Figure 4
【課題】より絶縁信頼性の高い温度補償用途の積層セラミックコンデンサ及びその製造方法を提供する。【解決手段】積層セラミックコンデンサは、誘電体層１７と内部電極層１８が交互に積層された積層体を備える。誘電体層１７は、チタン酸ジルコン酸ストロンチウムカルシウムを主成分とする第１の相Ｐ１と、ジルコン酸バリウムを主成分とする第２の相Ｐ２とを含む。誘電体層１７の断面において、誘電体層１７と内部電極層１８が積層する方向に平行に引いた線分Ｌ１〜Ｌ１０は、第１の相Ｐ１と第２の相Ｐ２の境界に１回以上接触する。内部電極層１８に挟まれた１つの誘電体層１７の断面において、所定の手順によって求められる平均接触数Ｎが１．０以上である。【選択図】図４
MULTI-LAYER CERAMIC CAPACITOR AND MANUFACTURING METHOD THEREFOR
積層セラミックコンデンサ及びその製造方法
SHIMURA TETSUO (author) / INOMATA YASUYUKI (author)
2021-01-14
Patent
Electronic Resource
Japanese
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