A semiconductor device includes a semiconductor die having a die surface, in which the die surface includes a bond pad. A ball bond has a distal surface and flattened-disk shape extending from the distal surface and terminating in a proximal surface spaced apart from the distal surface. The distal surface is coupled to the bond pad and a channel extends a depth into the proximal surface surrounding a central portion of the proximal surface. A bond wire extending from the central portion of the proximal surface, in which the channel is spaced apart from and surrounds the bond wire.

A stacked semiconductor device is disclosed that includes a plurality of semiconductor dies. Each die has oppositely disposed first and second surfaces, with pads formed on each of the surfaces. A plurality of through-vias connect respective pads on the first surface to respective pads on the second surface. The through-vias include a first group of through-vias coupled to respective I/O circuitry on the semiconductor die and a second group of through-vias not coupled to I/O circuitry on the semiconductor die. The plurality of semiconductor dies are stacked such that the first group of through-vias in a first one of the plurality of semiconductor dies are aligned with respective ones of at least a portion of the second group of through-vias in a second one of the plurality of semiconductor dies.

Systems and apparatus are provided for a hybrid wire size diameter under one single die. For example, an apparatus can include a memory cell die, a plurality of signal pads under the memory cell die and a plurality of power pads under the memory cell die. Each bonding wire coupled to a respective one of the plurality of signal pads has a first wire size diameter and each bonding wire coupled to a respective one of the plurality of power pads has a second wire size diameter larger than the first wire size diameter.

Stacked semiconductor packages with features to mitigate trace exposer and associated systems and methods are disclosed herein. In some embodiments, the stacked semiconductor package includes a base substrate, a stack of dies carried by the base substrate, and a mold material deposited at least partially encapsulating the stack of dies. The base substrate can include an active surface and a back surface opposite the active surface. Further, the active surface can include one or more cuts into a peripheral portion of the active surface (e.g., stepped structures at the peripheral edges of the base substrate). The base substrate can also include a plurality of bond pads carried by the active surface over the peripheral portion. Still further, the mold material can fill each of the one or more cuts in the active surface, thereby insulating the bond pads from exposure at a sidewall of the stacked semiconductor package.

A microelectronic device includes a first microelectronic device structure, a second microelectronic device structure bonded to the first microelectronic device structure, and cruciform contact structures at a bonding interface of the first microelectronic device structure and the second microelectronic device structure. The cruciform contact structures respectively include a first conductive bar and a second conductive bar bonded to the first conductive bar. The first conductive bar has a first rectangular shape, a major horizontal dimension of the first conductive bar oriented in a first direction. The second conductive bar has a second rectangular shape, a major horizontal dimension of the second conductive bar oriented in a second direction orthogonal to the first direction. Related methods and electronic systems are also described.

A semiconductor package comprises a first die having a central region and a peripheral region that surrounds the central region; a plurality of through electrodes that penetrate the first die; a plurality of first pads at a top surface of the first die and coupled to the through electrodes; a second die on the first die; a plurality of second pads at a bottom surface of the second die, the bottom surface of the second die facing the top surface of the first die; a plurality of connection terminals that connect the first pads to the second pads; and a dielectric layer that fills a space between the first die and the second die and surrounds the connection terminals. A first width of each of the first pads in the central region may be greater than a second width of each of the first pads in the peripheral region.

Representative techniques and devices including process steps may be employed to mitigate the potential for delamination of bonded microelectronic substrates due to metal expansion at a bonding interface. For example, a metal pad having a larger diameter or surface area (e.g., oversized for the application) may be used when a contact pad is positioned over a TSV in one or both substrates.

Disclosed are semiconductor packages and their fabricating methods. A semiconductor package includes a first semiconductor die, a second semiconductor die on the first semiconductor die, an underfill layer between the first semiconductor die and the second semiconductor die, and a mold layer on a top surface of the first semiconductor die and a lateral surface of the second semiconductor die. The first semiconductor die includes a first semiconductor substrate and an edge conductive pad on a rear surface of the first semiconductor substrate. One portion of the edge conductive pad overlaps the second semiconductor die. Another portion of the edge conductive pad is covered with the mold layer.

A semiconductor device includes an active layer having an active region, a source electrode and a drain electrode disposed on the active region of the active layer and extending along a first direction, a source metal layer disposed on the active region and electrically connected to the source electrode, a drain metal layer disposed on the active region and electrically connected to the drain electrode, and a source pad disposed on the active region. The source metal layer extends along a first direction and has a trapezoid shape in a plan view. The drain metal layer extends along the first direction and has a trapezoid shape in the plan view. The source pad is electrically connected to the source metal layer, and the source pad includes a body portion extending along a second direction and a branch portion extending along the first direction.

An electronic device has a display substrate including a display area, a driver area, and a fan-out area. The fan-out area has interconnects that provide electrical accesses to display elements on the display area. A driver chip is disposed on the driver area and includes a first edge adjacent to the display area, two side edges connected to the first edge, and a plurality of pad groups. Each pad group includes a row of electronic pads that are electrically coupled to a subset of display elements via a subset of interconnects routed on the fan-out area. The pad groups include a first pad group and a second pad group disposed immediately adjacent to the first pad group. A first subset of interconnects cross one of the two side edges, and extend above a gap between rows of the first and second pad groups to reach the first pad group.