US 11,735,369 B2
Multilayer ceramic capacitor
Keita Kitahara, Nagaokakyo (JP); Yuta Saito, Nagaokakyo (JP); Noriyuki Ookawa, Nagaokakyo (JP); Riyousuke Akazawa, Nagaokakyo (JP); Takefumi Takahashi, Nagaokakyo (JP); Masahiro Wakashima, Nagaokakyo (JP); Yuta Kurosu, Nagaokakyo (JP); and Akito Mori, Nagaokakyo (JP)
Assigned to MURATA MANUFACTURING CO., LTD., Kyoto (JP)
Filed by Murata Manufacturing Co., Ltd., Nagaokakyo (JP)
Filed on Sep. 28, 2021, as Appl. No. 17/487,385.
Claims priority of application No. 2020-166300 (JP), filed on Sep. 30, 2020.
Prior Publication US 2022/0102079 A1, Mar. 31, 2022
Int. Cl. H01G 4/30 (2006.01); H01G 4/012 (2006.01); H01G 4/12 (2006.01); H01G 4/008 (2006.01)
CPC H01G 4/30 (2013.01) [H01G 4/008 (2013.01); H01G 4/012 (2013.01); H01G 4/1218 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A multilayer ceramic capacitor comprising:
a multilayer body including dielectric layers and internal electrode layers alternately laminated therein; and
external electrode layers respectively provided on both end surfaces of the multilayer body in a length direction intersecting a lamination direction, and each connected to the internal electrode layers, the external electrode layers each further including a base electrode layer including a first region, a second region, and a third region divided therein, in order from the multilayer body; wherein
the first region includes a metal included in the internal electrode layers in a higher amount than the second region and the third region;
the second region includes glass in a higher amount than the first region and the third region; and
the third region includes copper in a higher amount than the first region and the second region.