US 12,262,518 B2
Shielding cover and circuit board assembly
Yu Shu Tai, Taipei (TW); and Chih-Cheng Li, Taipei (TW)
Assigned to INVENTEC (PUDONG) TECHNOLOGY CORPORATION, Shanghai (CN); and INVENTEC CORPORATION, Taipei (TW)
Filed by INVENTEC (PUDONG) TECHNOLOGY CORPORATION, Shanghai (CN); and INVENTEC CORPORATION, Taipei (TW)
Filed on Aug. 22, 2023, as Appl. No. 18/236,891.
Claims priority of application No. 202310658783.1 (CN), filed on Jun. 5, 2023.
Prior Publication US 2024/0407144 A1, Dec. 5, 2024
Int. Cl. H05K 9/00 (2006.01)
CPC H05K 9/0007 (2013.01) [H05K 9/0028 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A circuit board assembly, comprising:
a circuit board, having an upper surface, a lower surface and a plurality of grounding areas, wherein the lower surface faces away from the upper surface, and the plurality of grounding areas are located at the lower surface;
a noise source, located at the upper surface of the circuit board; and
a shielding cover, comprising:
a covering body, in contact with the upper surface and covering the noise source; and
a plurality of elastic grounding arms, connected to the covering body, wherein the plurality of elastic grounding arms are in contact with the lower surface of the circuit board and respectively in electrical contact with the plurality of grounding areas;
wherein the plurality of elastic grounding arms comprises at least one first elastic grounding arm and at least one second elastic grounding arm, and the at least one first elastic grounding arm and the at least one second elastic grounding arm are respectively connected to two opposite sides of the covering body;
wherein the at least one first elastic grounding arm comprises a first connection portion and a first contact portion connected to each other, the first connection portion is connected to the covering body, the first contact portion is in a curved shape and in contact with the lower surface of the circuit board, the at least one second elastic grounding arm comprises a second connection portion and a second contact portion connected to each other, the second connection portion is connected to the covering body, and the second contact portion is in a flat shape and in contact with the lower surface of the circuit board.