The semiconductor device includes: a heat spreader; a semiconductor element joined to the heat spreader via a first joining member; a first lead frame joined to the heat spreader via a second joining member; a second lead frame joined to the semiconductor element via a third joining member; and a mold resin. In a cross-sectional shape obtained by cutting at a plane perpendicular to a one-side surface of the heat spreader, an angle on the third joining member side out of two angles formed by a one-side surface of the semiconductor element and a straight line connecting an end point of a joining surface between the third joining member and the semiconductor element and an end point of a joining surface between the third joining member and the second lead frame, is not smaller than 90° and not larger than 135°.

A method of manufacturing a semiconductor device, the method including: preparing an insulated circuit substrate including a conductive plate; partially fixing a plate-like bonding member onto the conductive plate so as to make a positioning of the bonding member in a horizontal direction; mounting a semiconductor chip on the bonding member; and heating and melting the bonding member so as to form a bonding layer for bonding the insulated circuit substrate and the semiconductor chip each other.

A method of manufacturing a semiconductor device, the method including: preparing an insulated circuit substrate including a conductive plate; partially fixing a plate-like bonding member onto the conductive plate so as to make a positioning of the bonding member in a horizontal direction; mounting a semiconductor chip on the bonding member; and heating and melting the bonding member so as to form a bonding layer for bonding the insulated circuit substrate and the semiconductor chip each other.

Embodiments of the present disclosure describe scalable package architecture of an integrated circuit (IC) assembly and associated techniques and configurations. In one embodiment, an integrated circuit (IC) assembly includes a package substrate having a first side and a second side disposed opposite to the first side, a first die having an active side coupled with the first side of the package substrate and an inactive side disposed opposite to the active side, the first die having one or more through-silicon vias (TSVs) configured to route electrical signals between the first die and a second die, and a mold compound disposed on the first side of the package substrate, wherein the mold compound is in direct contact with a sidewall of the first die between the active side and the inactive side and wherein a distance between the first side and a terminating edge of the mold compound that is farthest from the first side is equal to or less than a distance between the inactive side of the first die and the first side. Other embodiments may be described and/or claimed.

A semiconductor device includes a semiconductor chip made of a SiC substrate and having main electrodes on one surface and a rear surface, first and second heat sinks, respectively, disposed adjacent to the one surface and the rear surface, a terminal member interposed between the second heat sink and the semiconductor chip, and a plurality of bonding members disposed between the main electrodes, the first and second heat sinks, and the terminal member. The terminal member includes plural types of metal layers symmetrically layered in the plate thickness direction. The terminal member as a whole has a coefficient of linear expansion at least in a direction orthogonal to the plate thickness direction in a range larger than that of the semiconductor chip and smaller than that of the second heat sink.

A display device invention includes a substrate on which a plurality of light emitting elements are disposed. A plurality of lines are disposed on an upper surface of the substrate. A plurality of upper pads are disposed on the upper surface of the substrate and electrically connected to the plurality of lines. A plurality of link lines are disposed on a lower surface of the substrate. A plurality of lower pads are disposed on the lower surface of the substrate and electrically connected to the plurality of link lines. A plurality of side lines electrically connect the plurality of upper pads and the plurality of lower pads. The plurality of side lines include a plurality of first side lines and a plurality of second side lines, and the plurality of first side lines and the plurality of second side lines are disposed on different layers.

This method for producing a structure wherein base materials are bonded by atomic diffusion comprises: a step for applying a liquid resin on the base material; a step for smoothing the surface of the liquid resin by surface tension; a step for forming a resin layer by curing; a step for forming a metal thin film on the resin layer; a step for forming a metal thin film on the base material; and a step for bringing the metal thin film of the base material and the metal thin film of the base material into close contact with each other, thereby bonding the metal thin film of the resin layer and the metal thin film of the base material with each other by atomic diffusion.

A bond tip for thermocompression bonding a bottom surface includes a die contact area and a low surface energy material covering at least a portion of the bottom surface. The low surface energy material may cover substantially all of the bottom surface, or only a peripheral portion surrounding the die contact area. The die contact area may be recessed with respect to the peripheral portion a depth at least as great as a thickness of a semiconductor die to be received in the recessed die contact area. A method of thermocompression bonding is also disclosed.

A semiconductor storage device according to an embodiment includes a substrate, a first semiconductor chip, and a second semiconductor chip. The first semiconductor chip includes a first surface contacting with the substrate, a second surface on an opposite side to the first surface, and a first pad provided on the second surface. The second semiconductor chip includes a third surface contacting with the second surface, a fourth surface on an opposite side to the third surface, and a cutout portion. The cutout portion is provided at a corner portion where the third surface crosses a lateral surface between the third surface and the fourth surface. The cutout portion overlaps with at least a part of the first pad as viewed from above the fourth surface.

Provided is a semiconductor package, including a lower semiconductor chip, a plurality of semiconductor chips that are disposed on the lower semiconductor chip in a first direction perpendicular to a top surface of the lower semiconductor chip, a plurality of nonconductive layers disposed between the plurality of semiconductor chips, a nonconductive pattern that extends from the nonconductive layers and is disposed on lateral surfaces of at least one of the plurality of semiconductor chips, a first mold layer disposed a top surface of the nonconductive pattern, and a second mold layer disposed a lateral surface of the nonconductive pattern and a lateral surface of the first mold layer, wherein the nonconductive pattern and the first mold layer are disposed between the second mold layer and lateral surfaces of the plurality of semiconductor chips.