A semiconductor device includes a substrate, a package structure, a thermal interface material (TIM) structure, and a lid structure. The package structure is disposed on the substrate. The TIM structure is disposed on the package structure. The TIM structure includes a metallic TIM layer and a non-metallic TIM layer in contact with the metallic TIM layer, and the non-metallic TIM layer surrounds the metallic TIM layer. The lid structure is disposed on the substrate and the TIM structure.

A method includes forming a plurality of first conductive vias over a redistribution layer (RDL); disposing a first die over the RDL and adjacent to the first vias; and forming a plurality of second conductive vias over and electrically connected to the first conductive vias, each of the second conductive vias corresponding to one of the first conductive vias. The method further includes forming a plurality of third conductive vias over the first die; disposing a second die over the first die and adjacent to the third conductive vias; and encapsulating the first die, the second die, the first conductive vias, the second conductive vias and the third conductive vias with a molding material.

According to one or more embodiments, a semiconductor package includes: a first semiconductor chip including an upper surface, a lower surface, and a side surface and including a chip pad provided on the upper surface; a first cover insulating layer covering the upper surface and the side surface of the first semiconductor chip; a first upper conductive layer extending along an upper surface of the first cover insulating layer and connected to the chip pad of the first semiconductor chip; a first side conductive layer extending along a side surface of the first cover insulating layer and connected to the first upper conductive layer; a second cover insulating layer covering the first upper conductive layer, the first side conductive layer, and the first cover insulating layer; and a first lower conductive layer extending along the lower surface of the first semiconductor chip and connected to the first side conductive layer.

A semiconductor package assembly and a manufacturing method are provided. The semiconductor package assembly includes: a base plate having a first surface; a first chip structure located on the base plate and electrically connected to the first surface of the base plate; an intermediary layer having a first interconnection surface; and a molding compound. The first interconnection surface has a first and second interconnection regions. A first solder ball is formed on the first interconnection region. A first pad is formed on the second interconnection region. The intermediary layer is electrically connected to the first surface by means of the first pad. The molding compound seals the first chip structure, the intermediary layer and the first surface. The first solder ball has a surface exposed from the molding compound. There is a preset height between the exposed surface of the first solder ball and the first interconnection surface.

A semiconductor package including: a first substrate and a semiconductor device on the first substrate, wherein the first substrate includes: a first dielectric layer including a first hole; a second dielectric layer on the first dielectric layer and including a second hole that overlaps the first hole, the second hole being wider than the first hole; an under bump disposed in the first hole and the second hole, the under bump covering a portion of the second dielectric layer; and a connection member bonded to the under bump.

A semiconductor package includes a first base plate, first semiconductor structure, second base plate and filling layer. The first base plate has a first surface including first and second signal transmission regions. The first semiconductor structure located on the first surface is electrically connected to the first signal transmission region. The second base plate located on the first base plate includes a base and a first interconnection surface. The first interconnection surface is away from the first surface. The first interconnection surface has first and second interconnection regions communicated with each other. The first interconnection region is electrically connected to the second signal transmission region. The filling layer seals the first semiconductor structure, second base plate and first surface. The first interconnection region is not sealed, and the second interconnection region is. There is a preset height between a top surface of the filling layer and the first interconnection region.

A semiconductor package includes a substrate including an upper pad at a top surface of the substrate, a semiconductor chip on the substrate and including a chip pad at a top surface of the semiconductor chip, a connecting structure on the semiconductor chip and including a connecting pad at a top surface of the connecting structure and electrically connected to the upper pad, an encapsulant covering the substrate, the semiconductor chip, and the connecting structure, and a test terminal on the connecting structure and extending through the encapsulant. The connecting structure electrically interconnects the semiconductor chip and the test terminal.

Multiple component package structures are described in which an interposer chiplet is integrated to provide fine routing between components. In an embodiment, the interposer chiplet and a plurality of conductive vias are encapsulated in an encapsulation layer. A first plurality of terminals of the first and second components may be in electrical connection with the plurality of conductive pillars and a second plurality of terminals of first and second components may be in electrical connection with the interposer chiplet.

A semiconductor package including: a first package; a second package on the first package, the second package including a second package substrate, first and second semiconductor chips on the second package substrate, and a second molding part on the second package substrate and covering the first and second semiconductor chips; and a fill part between the first package and the second package, a first through hole that penetrates the second package substrate, the first through hole being between the first and second semiconductor chips, a second through hole that penetrates the second molding part, the second through hole being connected to the first through hole, and wherein the fill part has an extension disposed in the first through hole and the second through hole.

Provided are package-on-package (POP)-type semiconductor packages including a lower package having a first size and including a lower package substrate in which a lower semiconductor chip is, an upper redistribution structure on the lower package substrate and the lower semiconductor chip, and alignment marks. The packages may also include an upper package having a second size smaller than the first size and including an upper package substrate and an upper semiconductor chip. The upper package substrate may be mounted on the upper redistribution structure of the lower package and electrically connected to the lower package, and the upper semiconductor chip may be on the upper package substrate. The alignment marks may be used for identifying the upper package, and the alignment marks may be below and near outer boundaries of the upper package on the lower package.