A power module having a packaging structure includes a substrate having a first conductive area, a second conductive area, a third conductive area, a first fixing area and a second fixing area. The first, the second and the third conductive areas are electrically connected to a first terminal, a second terminal and a third terminal, and the first and the second fixing areas are electrically connected to a first switch set and a second switch set, so that they are in a parallel arrangement. The first terminal is a current input end, the second terminal is an intermediate end, and the third terminal is a current output end. When a current flows from the current input end to the intermediate end, or from the intermediate end to the current output end, the current flows straightly in order to reduce a crossover area and lower the stray inductance.

A circuit structure is provided to which an electronic component can be easily mounted (electrical connection of terminals). A circuit structure that includes a substrate provided with a conductive pattern on one face thereof; a conductive member fixed to the other face of the substrate; an electronic component that has first terminals and of a plurality of terminals, that are electrically connected to the conductive member, and a second terminal of the plurality of terminals that is electrically connected to the conductive pattern provided on the substrate; and a relay member for electrically connecting the second terminal and the conductive pattern provided on the substrate, at least a portion of the relay member being fixed to the conductive member via an insulating material.

Provided is an information processing apparatus that enables acquisition, manipulation and the like of information through unauthorized access to be prevented with a simple structure, without needing constant supply of power. A control apparatus (20) operates using power supply from a built-in power source (30), in the case where power is not supplied from an external power source (3). In the case where a photoelectric conversion unit (31) performs photoelectric conversion and the built-in power source (30) supplies power to the control apparatus (20), the voltage output by the photoelectric conversion unit (31) is input to an input unit (24), when a switch (50) is ON. On the other hand, when the switch (50) is OFF, a voltage value of zero volts is input to the input unit (24).

A power commutation module includes a printed circuit board, a first plate-shaped bus bar, and a first plurality of power switches each including a plurality of connection pins which are connected on the upper face of the printed circuit board and a metal base plate which is applied against the bus bar. The first plurality of power switches is mounted on the first bus bar. The power switches are generally aligned along a longitudinal edge of the first bus bar, in that said longitudinal edge of the first bus bar is arranged along a first longitudinal edge of the printed circuit board, and the portion of the first bus bar on which the power switches are mounted is arranged next to the printed circuit board.

Methods and systems are provided for a power module. In one example, the power module may have a half-bridge configuration with electrical terminals arranged at opposite side of the power module, semiconductor chips arranged in a printed circuit board (PCB), a capacitor electrically coupled to the electrical terminals and arranged above and in contact with a top plate of the power module, and one or more connectors coupled to the PCB to couple the power module to external circuits. The power module may be directly cooled by flowing a coolant over the semiconductor chips.

The invention relates to a surge detector comprising a transformer comprising a primary winding arranged to receive a fraction of a surge current and a secondary winding magnetically coupled to the primary winding and arranged to output a signal representing the fraction of the surge current. The surge detector further comprises a shunt connection in parallel with the primary winding, wherein the impedance of the shunt connection is lower than the impedance of the primary winding.

A method of manufacturing an assembly with a housing part and at least two conductors of shape sheet metal parts may include providing at least one first conductor formed from at least one sheet metal part and at least one second conductor formed from at least one sheet metal part. The method may then include arranging the first and second conductors in an injection mould in such a way that the first conductor may come into mechanical contact with the second conductor in a common contact zone to produce an electrical connection. The method may then include at least partially overmoulding the first and second conductors with a plastic to form a joint housing part. The method may further include bonding the first and second conductors in a region of the common contact zone after at least partially overmoulding the first and second conductors.

A printed circuit body includes a bus bar as a metal member electrically connected with a connected body, an insulator layer providing insulation properties, and a conductor layer formed across the metal member and the insulator layer and electrically connected with the metal member. The metal member and the insulator layer are positioned such that a metal-member side connected surface of the metal member on which the conductor layer is provided and an insulator-layer side connected surface of the insulator layer on which the conductor layer is provided are positioned at an identical plane. This configuration allows connection between the bus bar and the conductor layer and circuit formation to be simultaneously achieved at manufacturing of the printed circuit body, thereby facilitating formation of a wiring structure of the bus bar and the conductor layer.

A noise filter includes: a first bus bar that is electrical wiring of a flat plate, the first bus bar including a first extending wiring portion extending in a first direction, a second extending wiring portion extending in a second direction that is a direction opposite to the first direction, and a first coupling wiring portion connecting the first extending wiring portion and the second extending wiring portion; a first lead conductor having a first end connected with the first coupling wiring portion; a first capacitor having a first end connected with a second end of the first lead conductor and a second end connected with a ground; and a magnetic core having an opening in a central portion, the magnetic core disposed in such a manner that the first coupling wiring portion passes through the opening.

A printed wiring board according to an embodiment includes a metal plate and a wiring member. The meal plate includes a current path part, which is a main current path of an electronic part mounted on or above a front surface of the metal plate, and a heat radiation part, which radiates heat generated from the electronic part. The wiring member is arranged on or above a back surface of the metal plate. The current path part and the heat radiation part are in the same layer to be integrally formed with the wiring member.