US 11,942,279 B2
Tantalum capacitor
Jin Ho Hong, Suwon-si (KR); Young Seuck Yoo, Suwon-si (KR); Hee Sung Choi, Suwon-si (KR); and Young June Lee, Suwon-si (KR)
Assigned to SAMSUNG ELECTRO-MECHANICS CO., LTD., Suwon-si (KR)
Filed by SAMSUNG ELECTRO-MECHANICS CO., LTD., Suwon-si (KR)
Filed on Nov. 16, 2022, as Appl. No. 17/988,298.
Claims priority of application No. 10-2021-0192931 (KR), filed on Dec. 30, 2021.
Prior Publication US 2023/0215663 A1, Jul. 6, 2023
Int. Cl. H01G 9/025 (2006.01); H01G 9/15 (2006.01); H01G 9/04 (2006.01); H01G 9/052 (2006.01)
CPC H01G 9/025 (2013.01) [H01G 9/15 (2013.01); H01G 2009/05 (2013.01); H01G 9/052 (2013.01)] 24 Claims
OG exemplary drawing
 
1. A tantalum capacitor comprising:
a tantalum body comprising
a tantalum sintered body containing tantalum particle,
a conductive polymer layer disposed on the tantalum sintered body and including a first filler as a non-conductive particle, and
a tantalum wire,
wherein the first filler includes a core including at least one metal oxide among BaTiO3, Al2O3, SiO2 and ZrO2, and a coating film disposed on a surface of the core.