A semiconductor device includes a substrate, a conductive part, a controller module and a sealing resin. The substrate has a substrate obverse surface and a substrate reverse surface facing away from each other in a z direction. The conductive part is made of an electrically conductive material on the substrate obverse surface. The controller module is disposed on the substrate obverse surface and electrically connected to the conductive part. The sealing resin covers the controller module and at least a portion of the substrate. The conductive part includes an overlapping wiring trace having an overlapping portion overlapping with the electronic component as viewed in the z direction. The overlapping portion of the overlapping wiring trace is not electrically bonded to the controller module.

A semiconductor device includes a semiconductor element, a lead frame, a conductive member, a resin composition and a sealing resin. The semiconductor element has an element front surface and an element back surface facing away in a first direction. The semiconductor element is mounted on the lead frame. The conductive member is bonded to the lead frame, electrically connecting the semiconductor element and the lead frame. The resin composition covers a bonded region where the conductive member and lead frame are bonded while exposing part of the element front surface. The sealing resin covers part of the lead frame, the semiconductor element, and the resin composition. The resin composition has a greater bonding strength with the lead frame than a bonding strength between the sealing resin and lead frame and a greater bonding strength with the conductive member than a bonding strength between the sealing resin and conductive member.

A semiconductor device includes a semiconductor element, a lead frame, a conductive member, a resin composition and a sealing resin. The semiconductor element has an element front surface and an element back surface facing away in a first direction. The semiconductor element is mounted on the lead frame. The conductive member is bonded to the lead frame, electrically connecting the semiconductor element and the lead frame. The resin composition covers a bonded region where the conductive member and lead frame are bonded while exposing part of the element front surface. The sealing resin covers part of the leadframe, the semiconductor element, and the resin composition. The resin composition has a greater bonding strength with the lead frame than a bonding strength between the sealing resin and lead frame and a greater bonding strength with the conductive member than a bonding strength between the sealing resin and conductive member.

The third side surface includes inclined surfaces inclined in a direction in which a center in an up-down direction of the third side surface is convex. The mold resin further includes a residual section provided in the center of the third side surface and a dowel section provided between the inclined surface and the residual section. The dowel section projects further in a lateral direction than the inclined surface. The residual section further projects in the lateral direction than the dowel section and has a fracture surface perpendicular to the up-down direction.

A semiconductor device includes a substrate, a conductive part formed on a front surface of the substrate, a semiconductor chip disposed on the front surface of the substrate, a control unit that controls the semiconductor chip, a sealing resin that covers the semiconductor chip, the control unit and the conductive part, and a first lead bonded to the conductive part and partially exposed from the sealing resin. The conductive part includes a first pad and a second pad disposed apart from each other. The first lead is bonded to the first pad and the second pad.

A semiconductor device (4a-4d) and a wiring device (5) are provided on a main surface of a base plate (1). A first wire (11a-11e) connects an external electrode (7a-7e) and a first relay pad (8a-8e) of the wiring device (5). A second wire (12a-12e) connects a pad (13a-13e) of the semiconductor device (4a-4d) and the second relay pad (9a-9e) of the wiring device (5). Resin (15) seals the semiconductor device (4a-4d), the wiring device (5) and the first and second wires (11a-11e,12a-12e). The second wire (12a-12e) is thinner than the first wire (11a-11e). The pad (13a-13e) is smaller than the first relay pad (8a-8e).

A package that includes a substrate, an integrated device, a plurality of first wire bonds, at least one second wire bond, and an encapsulation layer. The integrated device is coupled to the substrate. The plurality of first wire bonds is coupled to the integrated device and the substrate. The plurality of first wire bonds is configured to provide at least one electrical path between the integrated device and the substrate. The at least one second wire bond is coupled to the integrated device. The at least one second wire bond is configured to be free of an electrical connection with a circuit of the integrated device. The encapsulation layer is located over the substrate and the integrated device. The encapsulation layer encapsulates the integrated device, the plurality of first wire bonds and the at least one second wire bond.

The semiconductor device includes a supporting member, a conductive member, and a semiconductor element. The supporting member has a supporting surface facing in a thickness direction. The conductive member has an obverse surface facing the same side as the supporting surface faces in the thickness direction, and a reverse surface opposite to the obverse surface. The conductive member is bonded to the supporting member such that the reverse surface faces the supporting surface. The semiconductor element is bonded to the obverse surface. The semiconductor device further includes a first metal layer and a second metal layer. The first metal layer covers at least a part of the supporting surface. The second metal layer covers the reverse surface. The first metal layer and the second layer are bonded to each other by solid phase diffusion.

A semiconductor device includes: a semiconductor substrate having a first main surface; an aluminum electrode having a first surface facing the first main surface and a second surface opposite to the first surface, the aluminum electrode being disposed on the semiconductor substrate; a passivation film that covers a peripheral edge of the second surface and that is provided with an opening from which a portion of the second surface is exposed; a copper film disposed on the second surface exposed from the opening so as to be separated from the passivation film; and a metal film disposed on the second surface exposed from between the passivation film and the copper film. The metal film is constituted of at least one selected from a group consisting of a nickel film, a tantalum film, a tantalum nitride film, a tungsten film, a titanium film, and a titanium nitride film.

Implementations of a semiconductor package system may include a first bond wire bonded to a portion of a leadframe and to a pad of a semiconductor die, the first bond wire coupled to one of a power source or a ground; and a second bond wire bonded to the portion of the leadframe and to a control integrated circuit. The portion of the leadframe may form a current sense area and the control integrated circuit may be configured to use the second bond wire and the current sense area to measure a current flowing through the first bond wire during operation.