A package base substrate includes a base layer; a plurality of lower surface connection pads disposed on a lower surface of the base layer; a plurality of lower surface wiring patterns disposed on a lower surface of the base layer and respectively connected to a set of lower surface connection pads of the plurality of lower surface connection pads; and a lower surface solder resist layer covering a portion of each of the plurality of lower surface connection pads and the plurality of lower surface wiring patterns on a lower surface of the base layer, wherein each of at least some of the lower surface connection pads of the set of lower surface connection pads has a teardrop shape in a plan view, and includes a ball land portion having a planar circular shape, including a terminal contact portion exposed without being covered by the lower surface solder resist layer, and an edge portion surrounding the terminal contact portion and covered by the lower surface solder resist layer; and a connection reinforcement portion between the ball land portion and the lower surface wiring pattern, including an extension line portion having a width that is the same as a line width of the lower surface wiring pattern and extending from the ball land portion to the lower surface wiring pattern, and a corner reinforcement portion filling a corner between the ball land portion and the extension line portion, and wherein an extension length of the extension line portion has a value greater than a radius of the terminal contact portion.

A semiconductor device includes a semiconductor element circuit, a conductive support and a sealing resin. The conductive support includes a die pad, first terminals spaced in a first direction, second terminals spaced in the first direction and opposite to the first terminals in a second direction perpendicular to the first direction, and a support terminal connected to the die pad. The sealing resin encapsulates portions of the first and second terminals, a portion of the support terminal, the semiconductor element circuit and the die pad. The sealing resin has two first side surfaces spaced apart in the second direction and two second side surfaces spaced apart in the first direction. The first terminals and second terminals are exposed from the first side surfaces, while none of the elements of the conductive support is exposed from the second side surfaces.

An electronic device (e.g., integrated circuit) and method of making the electronic device is provided that reduces a strength of an electric field generated outside a package of the electronic device proximate to the low voltage lead pins. The electronic device includes a low voltage side and a high voltage side. The low voltage side includes a low voltage die attached to a low voltage die attach pad. Similarly, the high voltage side includes a high voltage die attached to a high voltage die attach pad. Lead pins are attached to each of the low and high voltage attach pads and extend out from a package of the electronic device in an inverted direction.

One example of a pre-molded lead frame includes a mold body, a plurality of recesses, and a plurality of first leads. The mold body includes a first main surface and a second main surface opposite to the first main surface. Each recess of the plurality of recesses extends from the first main surface into the mold body. The plurality of first leads are coupled to the mold body and extend from a third surface of the mold body. The third surface extends between the first main surface and the second main surface.

A semiconductor package includes first semiconductor chips stacked on a package substrate, a lowermost first semiconductor chip of the first semiconductor chips including a recessed region, and a second semiconductor chip inserted in the recessed region, the second semiconductor chip being connected to the package substrate.

Provided is a semiconductor package having improved signal integrity (SI) and a chip stack structure of a plurality of semiconductor chips. The semiconductor package includes a package substrate, a chip stack structure on the package substrate and including at least two semiconductor chips, and an external connection terminal on a lower surface of the package substrate. A first semiconductor chip arranged uppermost in the chip stack structure is connected to a first bonding pad of the package substrate through a first wire. A second semiconductor chip arranged under the first semiconductor chip in the chip stack structure is connected to a second bonding pad of the package substrate through a second wire. When the first bonding pad is farther from the external connection terminal than the second bonding pad, the external connection terminal is connected to the first bonding pad through a wiring line of the package substrate.

Electronic device package technology is disclosed. An electronic device package in accordance with the present disclosure can include a substrate, a plurality of electronic components in a stacked relationship, and an encapsulant material encapsulating the electronic components. Each of the electronic components can be electrically coupled to the substrate via a wire bond connection and spaced apart from an adjacent electronic component to provide clearance for the wire bond connection. The encapsulant can be disposed between center portions of adjacent electronic components. Associated systems and methods are also disclosed.

A semiconductor device includes a semiconductor chip having a device forming surface on which a device structure is formed, a first conductive layer formed on the device forming surface of the semiconductor chip, a second conductive layer formed on the first conductive layer, a first wire that is connected to the second conductive layer and that is made of a material composed mainly of copper, and a third conductive layer that is formed between the first conductive layer and the second conductive layer and that includes a material harder than copper.

A low parasitic inductance power module featuring staggered interleaving conductive members, including: at least one base extending in a length direction; a substrate on which at least one input bus bar and at least one output bus bar are provided; a first unit including a first circuit base portion disposed on the base in a width direction, a plurality of first power devices being disposed on the first circuit base portion, each first power device having a first current input end and a first current output end which are parallel connected, the first current input end or the first current output end being conducted to the first circuit base portion; and a second unit. The units are serially-connected to the bus bars via input conductive members and output conductive members arrayed in a staggered interleaving mode, whereby to create individual inductances counteracting with each other, reducing overall parasitic inductance.

A board-level pad pattern includes staggered ball pads disposed within a surface mount region for mounting a multi-row QFN package. The staggered ball pads include first ball pads arranged in a first row and second ball pads arranged in a second row. The first ball pads in the first row are arranged at two different pitches, and the second ball pads in the second row are arranged at a constant pitch.