US 12,243,674 B2
Motherboard comprising a planar transformer equipped with components and method for assembling such a motherboard
Charlotte Gazzano, Le Plessis-Robinson (FR); and Guilhem Rafray, Le Plessis-Robinson (FR)
Assigned to MBDA FRANCE, (FR)
Appl. No. 17/922,888
Filed by MBDA FRANCE, Le Plessis-Robinson (FR)
PCT Filed Apr. 23, 2021, PCT No. PCT/FR2021/050709
§ 371(c)(1), (2) Date Nov. 2, 2022,
PCT Pub. No. WO2021/224559, PCT Pub. Date Nov. 11, 2021.
Claims priority of application No. 2004382 (FR), filed on May 4, 2020.
Prior Publication US 2023/0170128 A1, Jun. 1, 2023
Int. Cl. H01F 27/24 (2006.01); H01F 27/29 (2006.01); H05K 1/14 (2006.01)
CPC H01F 27/24 (2013.01) [H01F 27/292 (2013.01); H05K 1/141 (2013.01); H05K 1/144 (2013.01); H05K 2201/041 (2013.01); H05K 2201/086 (2013.01); H05K 2201/09181 (2013.01); H05K 2201/1003 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A motherboard comprising:
a motherboard printed circuit board;
a plurality of electronic components mounted on the motherboard printed circuit board; and
a planar transformer mounted on the motherboard printed circuit board, the planar transformer comprising:
a printed circuit board comprising turns;
a connection interface;
a magnetic core arranged on the printed circuit board to cooperate with the turns;
a plurality of electronic components mounted on the printed circuit board; and
a plurality of superimposed layers, wherein the turns are arranged on the plurality of superimposed layers other than an upper layer, and wherein the plurality of electronic components are arranged on the upper layer so as to occupy an entirety of the upper layer of the remaining available on the printed circuit board.