An object of the present disclosure is to be able to further reduce the size of a substrate structure including a plurality of elements. The substrate structure includes: a base substrate that includes a first conductive plate and a second conductive plate; a first element connected to the first conductive plate and the second conductive plate; and a second element connected to the first conductive plate and the second conductive plate. The first conductive plate and the second conductive plate are disposed on the same plane on the base substrate in a state of being electrically insulated from each other, the first element is mounted on a first main surface of the base substrate, and the second element is mounted on a second main surface that is on the opposite side to the first main surface relative to the base substrate.

A busbar module includes: busbars that are fixed to battery cells of a battery module; a plate-like flexible circuit body that includes conductors corresponding to the busbars; and a case that accommodates the circuit body and the busbars, in which the circuit body includes a trunk portion and a branch portion connected to the busbar, the branch portion includes a base layer, a metal foil that is the connection conductor, and a coating layer that covers the base layer and the metal foil, the branch portion has a facing portion faces a first surface of the busbar, the metal foil is connected to a connection target at a portion that is more adjacent to a distal end than the facing portion is, and the first surface has a groove-shaped recess provided at a portion facing the metal foil.

A busbar module includes: a plurality of busbars that are fixed to a plurality of battery cells of a battery module including the plurality of battery cells; and a plate-like flexible circuit body that includes a plurality of connection conductors corresponding to the plurality of busbars, in which the circuit body includes a trunk portion extending in a first direction in which the plurality of battery cells are arranged, and a plurality of branch portions branching from the trunk portion and connected to the busbars, the circuit body includes a first circuit layer and a second circuit layer, and the branch portion has a thin portion composed of any one of the first circuit layer and the second circuit layer, and connects the trunk portion and the busbar in a state where the thin portion is flexurally deformed.

A power module including at least one substrate, a housing arranged on the at least one power substrate, a first terminal electrically connected to the at least one power substrate, a second terminal including a contact surface, a third terminal electrically connected to the at least one power substrate, a plurality of power devices arranged on and connected to the at least one power substrate, and the third terminal being electrically connected to at least one of the plurality of power devices. The power module further including a base plate and a plurality of pin fins arranged on the base plate and the plurality of pin fins configured to provide direct cooling for the power module.

A circuit arrangement (1), in particular for an electrically driven motor vehicle, has at least one bus bar (5) which is connected electrically to a supplier (2) and which is connected to a first consumer (3) at a first transfer point (6) and to a second consumer (4) at a second transfer point (7). Both the first and the second transfer point (6, 7) are formed as flexible contact points.

A power conversion device includes a first electrical component, a second electrical component, a housing, a board, and a guide part. The first and second electrical components are accommodated in and fixed to the housing. The board has first through holes into which first signal terminals of the first electrical components are inserted, and second through holes into which second signal terminals of the second electrical components are inserted. The guide part is connected to the board so that guide holes formed therein are aligned with the second through holes. The first signal terminals are connected to the board through a first connection portion, and the second signal terminals are connected to the board through a second connection portion. A number of the first through holes disposed per unit area is greater than a number of second through holes disposed per unit area.

A magnetic part according to an embodiment of the present invention comprises: a printed circuit board; a pattern coil formed on at least a surface of the printed circuit board; a core passing through the printed circuit board; and at least one winding coil disposed on at least a surface from among one surface and the other surface of the printed circuit board.

The invention relates to a device having: —a circuit carrier board (3) and—a conductor element (2), which is designed to transfer an electric current from and/or to the circuit carrier board (3), characterized by: —an electrically conductive, elastically deformable, contoured, plate-like connection element (1), which connects the circuit carrier plate (3) to the conductor element (2) and is designed to create a local, dynamic resilience, as a result of which a force transmission (F) from the conductor element (2) to the circuit carrier plate (3) can be reduced, and—a plate thickness of the connection element (1) of at least 2 cm. The invention also relates to a power converter (4) and an aircraft (6) having such a device.

Provided is a power conversion device with which a region in which an electronic component is mountable in a first printed wiring board of a first substrate can be enlarged. The power conversion device includes a power module installing member, a power module, a bus bar assembly, a first substrate provided on the bus bar assembly, and a second substrate provided on the bus bar assembly. The first substrate includes a first printed wiring board, and a signal terminal connector and a first board-to-board connection connector which are each provided on the first printed wiring board. The second substrate includes a second printed wiring board and a second board-to-board connection connector provided on the second printed wiring board. The signal terminal connector is connected to a signal terminal of the power module. The first board-to-board connection connector and the second board-to-board connection connector are connected to each other.

A flexible printed circuit board includes: a proximal end portion; a left strip portion and a right strip portion that extend in the rear direction from the proximal end portion; and conductive paths, a portion of which is provided spanning from the proximal end portion to the left strip portion, and another portion of which is provided spanning from the proximal end portion to the right strip portion. In portions of the conductive path in the left strip portion and the right strip portion, strip side connecting portions that are electrically connected to electrode terminals of electricity storage devices are provided. In the left strip portion, a deformation portion that deforms to increase the distance between the left strip portion and the right strip portion is provided.