US 12,394,557 B2
Circuit module and solid-state transformer system
Yicong Xie, Shanghai (CN); Weiqiang Zhang, Shanghai (CN); and Ziying Zhou, Shanghai (CN)
Assigned to Delta Electronics (Shanghai) Co., Ltd., Shanghai (CN)
Filed by Delta Electronics (Shanghai) Co., Ltd., Shanghai (CN)
Filed on Jun. 17, 2022, as Appl. No. 17/807,384.
Claims priority of application No. 202110815506.8 (CN), filed on Jul. 19, 2021.
Prior Publication US 2023/0017496 A1, Jan. 19, 2023
Int. Cl. H05K 9/00 (2006.01); H01F 27/02 (2006.01); H01F 27/28 (2006.01); H01F 27/36 (2006.01)
CPC H01F 27/2885 (2013.01) [H01F 27/02 (2013.01); H01F 27/36 (2013.01); H05K 9/0049 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A circuit module, comprising:
a first circuit unit outputting a first voltage;
a second circuit unit outputting a second voltage, wherein the second voltage is less than the first voltage; and
a shielding structure arranged between the first circuit unit and the second circuit unit, wherein the shielding structure comprises:
a first conductor layer electrically coupled to the first circuit unit;
a second conductor layer electrically coupled to the second circuit unit;
a third conductor layer located between the first conductor layer and the second conductor layer;
a first insulation layer arranged between the first conductor layer and the third conductor layer; and
a second insulation layer arranged between the second conductor layer and the third conductor layer.