US 11,837,408 B2
Dielectric material, ceramic electronic device, manufacturing method of dielectric material, and manufacturing method of ceramic electronic device
Koichiro Morita, Takasaki (JP); and Yasuhiro Matsumoto, Takasaki (JP)
Assigned to TAIYO YUDEN CO., LTD., Tokyo (JP)
Filed by TAIYO YUDEN CO., LTD., Tokyo (JP)
Filed on Dec. 14, 2021, as Appl. No. 17/551,052.
Claims priority of application No. 2021-003742 (JP), filed on Jan. 13, 2021.
Prior Publication US 2022/0223346 A1, Jul. 14, 2022
Int. Cl. H01G 4/12 (2006.01); H01G 4/30 (2006.01)
CPC H01G 4/1227 (2013.01) [H01G 4/30 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A dielectric material comprising:
a perovskite as a main phase, an A site of the perovskite including at least Ba, a B site of the perovskite including at least Ti; and
Eu having +2 valence and +3 valence, wherein a ratio of +2 valence of Eu is 21% or more and 43% or less.