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. Each of the connection terminals may include a convex portion at a lateral surface thereof, which protrudes beyond a lateral surface of a respective first pad and a lateral surface of a respective second pad. The convex portion may protrude in a direction away from a center of the first die. Protruding distances of the convex portions may increase in a direction from the center of the first die toward an outside of the first die.

A printed structure includes a destination substrate comprising two or more contact pads disposed on or in a surface of the destination substrate, a component disposed on the surface, and two or more electrically conductive connection posts. Each of the connection posts extends from a common side of the component. Each of the connection posts is in electrical and physical contact with one of the contact pads. The component is tilted with respect to the surface of the destination substrate. Each of the connection posts has a flat distal surface.

A printed structure includes a destination substrate comprising two or more contact pads disposed on or in a surface of the destination substrate, a component disposed on the surface, and two or more electrically conductive connection posts. Each of the connection posts extends from a common side of the component. Each of the connection posts is in electrical and physical contact with one of the contact pads. The component is tilted with respect to the surface of the destination substrate. Each of the connection posts has a flat distal surface.

A semiconductor device includes a first electronic component, a second electronic component, a third electronic component, a plurality of first interconnection structures, and a plurality of second interconnection structures. The second electronic component is between the first electronic component and the third electronic component. The first interconnection structures are between and electrically connected to the first electronic component and the second electronic component. Each of the first interconnection structures has a length along a first direction substantially parallel to a surface of the first electronic component and a width along a second direction substantially parallel to the surface and substantially perpendicular to the first direction. The length is larger than the width. The second interconnection structures are between and electrically connected to the second electronic component and the third electronic component.

A semiconductor device includes a first electronic component, a second electronic component, a third electronic component, a plurality of first interconnection structures, and a plurality of second interconnection structures. The second electronic component is between the first electronic component and the third electronic component. The first interconnection structures are between and electrically connected to the first electronic component and the second electronic component. Each of the first interconnection structures has a length along a first direction substantially parallel to a surface of the first electronic component and a width along a second direction substantially parallel to the surface and substantially perpendicular to the first direction. The length is larger than the width. The second interconnection structures are between and electrically connected to the second electronic component and the third electronic component.

Provided is a semiconductor package including a first chip substrate including a first surface and a second surface, a through via passing through the first chip substrate, an upper passivation layer including a trench on the second surface of the first chip substrate, the trench exposing at least a portion of the second surface of the first chip substrate, an upper pad electrically connected with the through via on the trench, a second chip substrate including a third surface and a fourth surface, a lower pad electrically connected to the second chip substrate on the third surface of the second chip substrate, and a connection bump electrically connecting the upper pad with the lower pad and contacting the lower pad, wherein a width of the connection bump increases as the connection bump becomes farther away from the first surface of the first chip substrate.

A semiconductor device includes a first electronic component, a second electronic component, a third electronic component, a plurality of first interconnection structures, and a plurality of second interconnection structures. The first electronic component is between the second and the third electronic components. The first interconnection structures are between the first and the second electronic components. Each first interconnection structures has a length along a first direction substantially parallel to a surface of the first electronic component, and a width along a second direction substantially parallel to the surface and substantially perpendicular to the first direction. The length is larger than the width. The second interconnection structures are between the second and the third electronic components, and electrically connected to the second and the third electronic components. A height of each second interconnection structure is different from a height of each first interconnection structure.

A semiconductor device includes a first electronic component, a second electronic component, a third electronic component, a plurality of first interconnection structures, and a plurality of second interconnection structures. The first electronic component is between the second and the third electronic components. The first interconnection structures are between the first and the second electronic components. Each first interconnection structures has a length along a first direction substantially parallel to a surface of the first electronic component, and a width along a second direction substantially parallel to the surface and substantially perpendicular to the first direction. The length is larger than the width. The second interconnection structures are between the second and the third electronic components, and electrically connected to the second and the third electronic components. A height of each second interconnection structure is different from a height of each first interconnection structure.

A wiring substrate includes a first insulating layer including a first through-hole formed through the first insulating layer in a thickness direction, a wiring layer formed on a lower surface of the first insulating layer, and a via wiring filled in the first through-hole and connected to the wiring layer, the via wiring having such a shape that it gradually becomes thinner from one side close to the lower surface of the first insulating layer toward the other side close to an upper surface of the first insulating layer, the via wiring including a first recess formed in an upper end surface of the via wiring. An upper end portion of the via wiring is an electrode pad for electric connection with an electronic component.

Some embodiments relate to a semiconductor device package, which includes a substrate with a contact pad. A non-solder ball is coupled to the contact pad at a contact pad interface surface. A layer of solder is disposed over an outer surface of the non-solder ball, and has an inner surface and an outer surface which are generally concentric with the outer surface of the non-solder ball. An intermediate layer separates the non-solder ball and the layer of solder. The intermediate layer is distinct in composition from both the non-solder ball and the layer of solder. Sidewalls of the layer of solder are curved or sphere-like and terminate at a planar surface, which is disposed at a maximum height of the layer of solder as measured from the contact pad interface surface.