Microelectronic assemblies, related devices and methods, are disclosed herein. In some embodiments, a microelectronic assembly may include a package substrate having a first surface and an opposing second surface; a first die having a first surface and an opposing second surface embedded in a first dielectric layer, where the first surface of the first die is coupled to the second surface of the package substrate by first interconnects; a second die having a first surface and an opposing second surface embedded in a second dielectric layer, where the first surface of the second die is coupled to the second surface of the first die by second interconnects; and a third die having a first surface and an opposing second surface embedded in a third dielectric layer, where the first surface of the third die is coupled to the second surface of the second die by third interconnects.

A package includes a corner, a device die, a plurality of redistribution lines underlying the device die, and a plurality of non-solder electrical connectors underlying and electrically coupled to the plurality of redistribution lines. The plurality of non-solder electrical connectors includes a corner electrical connector. The corner electrical connector is elongated. An electrical connector is farther away from the corner than the corner electrical connector, wherein the electrical connector is non-elongated.

A laser reflow apparatus reflows solder bumps disposed on a side of a semiconductor chip in a workpiece and included in an irradiation range on the workpiece by applying a laser beam to an opposite side of the semiconductor chip. The laser reflow apparatus includes a spatial beam modulation unit including a laser power density setting function to locally set the laser power density in the irradiation range of a laser beam emitted from a laser beam source, and an image focusing unit including an image focusing function to focus the laser beam emitted from the laser beam source and apply the focused laser beam to the irradiation range on the workpiece.

A semiconductor package structure and a manufacturing method thereof are provided. The semiconductor package structure includes a first semiconductor die and a second semiconductor die stack structure. A first wireless communication portion is formed in the first semiconductor die. The second semiconductor die stack structure includes a first die stack structure and a second die stack structure. A second wireless communication portion and a third wireless communication portion are respectively formed in two sides, along a second direction, of the first die stack structure. A fourth wireless communication portion is formed in one side, opposite to the first die stack structure, of the second die stack structure. The first direction is a direction parallel to a plane of the first semiconductor die, and the second direction is a direction perpendicular to the plane of the first semiconductor die.

Reliability of joining between semiconductor chips is improved by promoting filling of a sealing resin into a gap formed between the semiconductor chips.

A semiconductor device includes: a first semiconductor chip, which has a plurality of first electrodes on a surface; a second semiconductor chip, which is disposed to be separated by a gap from the surface of the first semiconductor chip, and which includes an inner peripheral area that has a plurality of second electrodes connected to each of the first electrodes on a surface and an outer peripheral area that surrounds the inner peripheral area and has a thickness thinner than the thickness of the inner peripheral area; and a sealing resin, which is respectively filled between the surface of the first semiconductor chip and the inner peripheral area, and between the surface of the first semiconductor chip and the outer peripheral area.

A high-frequency module (1) includes a substrate (10), a first electronic component (30) and a second electronic component (40) mounted on a main surface (10a) of the substrate (10). The substrate (10) has a protruding portion (20) projecting from the main surface (10a), the first electronic component (30) is mounted in a region of the main surface (10a) different from a region in which the protruding portion (20) is provided, and the second electronic component (40) is mounted on the protruding portion (20).

A package includes a corner, a device die, a plurality of redistribution lines underlying the device die, and a plurality of non-solder electrical connectors underlying and electrically coupled to the plurality of redistribution lines. The plurality of non-solder electrical connectors includes a corner electrical connector. The corner electrical connector is elongated. An electrical connector is farther away from the corner than the corner electrical connector, wherein the electrical connector is non-elongated.

A flexible display panel, a preparation method thereof and a flexible display device are provided. The flexible display panel includes a flexible substrate; a back protective film arranged on a back surface of the flexible substrate; an adhesive layer arranged between the flexible substrate and the back protective film; and a support structure arranged in the adhesive layer between the flexible substrate and the back protective film and in a position corresponding to each of integrated circuit bumps, the support structure being configured to support the integrated circuit bumps in the adhesive layer.

An electronic device includes a first electronic component including a first signal line and a first ground conductor surface, a second electronic component that is placed above the first electronic component and includes a second signal line and a second ground conductor surface opposed to the first ground conductor surface, a waveguide including the first ground conductor surface, the second ground conductor surface, and a pair of first ground conductor walls that are opposed to each other and are placed between the first ground conductor surface and the second ground conductor surface, a first transducing part that transduces a signal between the first signal line and the waveguide, and a second transducing part that transduces a signal between the second signal line and the waveguide.

Structures and formation methods of a package structure are provided. The package structure includes a semiconductor die and a substrate bonded to the semiconductor die through a first bonding structure and a second bonding structure therebetween. The first bonding structure and the second bonding structure are next to each other and the second bonding structure is wider than the first bonding structure. The first bonding structure has a first under bump metallurgy (UBM) structure and a first solder bump thereon, and the second bonding structure has a second UBM structure and a second solder bump thereon. The second UBM structure has a maximum width larger than that of the first UBM structure, and the second solder bump has a maximum width larger than that of the first solder bump.