US 11,688,554 B2
Tantalum capacitor and manufacturing method thereof
Jin Ho Hong, Suwon-si (KR); Hyun Sub Oh, Suwon-si (KR); Youn Soo Kim, Suwon-si (KR); Hong Kyu Shin, Suwon-si (KR); and Hee Sung Choi, 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 Mar. 1, 2021, as Appl. No. 17/188,084.
Claims priority of application No. 10-2020-0122725 (KR), filed on Sep. 23, 2020.
Prior Publication US 2022/0093327 A1, Mar. 24, 2022
Int. Cl. H01G 2/02 (2006.01); H01G 2/10 (2006.01); H01G 9/048 (2006.01); H01G 9/012 (2006.01); H01G 9/08 (2006.01); H01G 9/15 (2006.01); H01G 9/04 (2006.01)
CPC H01G 2/02 (2013.01) [H01G 2/10 (2013.01); H01G 9/012 (2013.01); H01G 9/048 (2013.01); H01G 9/08 (2013.01); H01G 9/15 (2013.01); H01G 2009/05 (2013.01)] 32 Claims
OG exemplary drawing
 
1. A tantalum capacitor, comprising:
first and second surfaces facing in a first direction, third and fourth surfaces facing in a second direction, and fifth and sixth surfaces facing in a third direction;
a tantalum body having one surface through which a tantalum wire is exposed in the first direction; and
a substrate on which the tantalum body is mounted in the third direction,
wherein the substrate is an organic-inorganic composite substrate,
the substrate comprises a positive electrode connection portion connected to the tantalum wire; a negative electrode connection portion connected to the tantalum body; a positive electrode terminal connected to the positive electrode connection portion and exposed to the sixth surface; and a negative electrode terminal connected to the negative electrode connection portion and exposed to the sixth surface,
side surfaces of the positive and negative electrode connection portions are entirely embedded in the substrate,
the positive electrode connection portion and the positive electrode terminal are discrete layers from each other and in direct contact with each other, and the negative electrode connection portion and the negative electrode terminal are discrete layers from each other and in direct contact with each other, and
the positive electrode terminal and the negative electrode terminal are exposed to the sixth surface, respectively.