US 11,984,268 B2
Multilayer ceramic capacitor having ultra-broadband performance
Marianne Berolini, Greer, SC (US); Jeffrey A. Horn, Simpsonville, SC (US); and Richard C. VanAlstine, Piedmont, SC (US)
Assigned to KYOCERA AVX Components Corporation, Fountain Inn, SC (US)
Filed by KYOCERA AVX Components Corporation, Fountain Inn, SC (US)
Filed on Nov. 2, 2022, as Appl. No. 17/979,020.
Application 17/979,020 is a continuation of application No. 16/751,299, filed on Jan. 24, 2020, granted, now 11,495,406.
Claims priority of provisional application 62/797,515, filed on Jan. 28, 2019.
Prior Publication US 2023/0068137 A1, Mar. 2, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H01G 4/232 (2006.01); G01R 31/01 (2020.01); H01G 2/06 (2006.01); H01G 4/012 (2006.01); H01G 4/12 (2006.01); H01G 4/30 (2006.01)
CPC H01G 4/232 (2013.01) [G01R 31/016 (2013.01); H01G 2/065 (2013.01); H01G 4/012 (2013.01); H01G 4/1218 (2013.01); H01G 4/30 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A broadband multilayer ceramic capacitor having a first end and a second end that is spaced apart from the first end in a longitudinal direction that is perpendicular to a lateral direction, the lateral direction and longitudinal direction each being perpendicular to a Z-direction, the capacitor having a capacitor length in the longitudinal direction between the first end and the second end, the broadband multilayer ceramic capacitor comprising:
a monolithic body comprising a plurality of dielectric layers;
a first external terminal disposed along the first end;
a second external terminal disposed along the second end;
a plurality of active electrodes arranged within the monolithic body and parallel with the longitudinal direction; and
at least one shield electrode arranged within the monolithic body and parallel with the longitudinal direction, the at least one shield electrode including a first shield electrode and a second shield electrode, the second shield electrode being approximately aligned with the first shield electrode in the Z-direction, each of the first shield electrode and the second shield electrode having a step portion along a longitudinal edge such that the step portion is offset from the longitudinal edge along the lateral direction by a shield electrode offset distance,
a shield gap distance formed in the longitudinal direction between the first shield electrode and the second shield electrode,
a ratio of the capacitor length to the shield electrode offset distance being greater than about 2;
wherein the broadband multilayer ceramic capacitor exhibits:
a first insertion loss value at a test frequency and in a first orientation relative to the mounting surface in which the longitudinal direction of the multilayer ceramic capacitor is parallel with the mounting surface; and
a second insertion loss value at about the test frequency in a second orientation relative to the mounting surface in which the longitudinal direction of the multilayer ceramic capacitor is parallel with the mounting surface and the broadband multilayer ceramic capacitor is rotated 90 degrees or more about the longitudinal direction with respect to the first orientation, the second insertion loss value differing from the first insertion loss value.