US 12,230,446 B2
Dielectric material, multilayer ceramic electronic device, and manufacturing method of multilayer ceramic electronic device
Kana Tamura, Takasaki (JP); and Koichiro Morita, Takasaki (JP)
Assigned to TAIYO YUDEN CO., LTD., Tokyo (JP)
Filed by TAIYO YUDEN CO., LTD., Tokyo (JP)
Filed on Jan. 31, 2023, as Appl. No. 18/162,588.
Claims priority of application No. 2022-027484 (JP), filed on Feb. 25, 2022.
Prior Publication US 2023/0274885 A1, Aug. 31, 2023
Int. Cl. H01G 4/12 (2006.01); C04B 35/468 (2006.01); H01G 4/008 (2006.01); H01G 4/012 (2006.01); H01G 4/30 (2006.01)
CPC H01G 4/1227 (2013.01) [C04B 35/4682 (2013.01); H01G 4/008 (2013.01); H01G 4/012 (2013.01); H01G 4/30 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A dielectric material comprising:
a base material containing barium zirconate titanate as a main component, containing zirconium in an amount of 4 at % or more and 30 at % or less with respect to titanium and zirconium, and having an atomic concentration ratio of barium to titanium and zirconium of 1 or more and 1.1 or less; and
a subcomponent containing 2 at % or more and 4 at % or less of europium with respect to titanium of the barium zirconate titanate.