A semiconductor device and a method of forming the same are provided. The semiconductor device includes a first logic die including a first through via, an image sensor die hybrid bonded to the first logic die, and a second logic die bonded to the first logic die. A front side of the first logic die facing a front side of the image sensor die. A front side of the second logic die facing a backside of the first logic die. The second logic die comprising a first conductive pad electrically coupled to the first through via.

A method includes forming a solder layer on a surface of one or more chips. A lid is positioned over the solder layer on each of the one or more chips. Heat and pressure are applied to melt the solder layer and attach each lid to a corresponding solder layer. The solder layer has a thermal conductivity of ≥50 W/mK.

A method includes forming a solder layer on a surface of one or more chips. A lid is positioned over the solder layer on each of the one or more chips. Heat and pressure are applied to melt the solder layer and attach each lid to a corresponding solder layer. The solder layer has a thermal conductivity of ≥50 W/mK.

A package structure including a bottom die, a first die, a second die, an encapsulant and a first dummy structure is provided. The first die and a second die are bonded to a first side of the bottom die. The encapsulant laterally encapsulates the first die and the second die. The first dummy structure is bonded to the first side of the bottom die, wherein a sidewall of the first dummy structure is coplanar with a first sidewall of the bottom die.

A package structure including a bottom die, a first die, a second die, an encapsulant and a first dummy structure is provided. The first die and a second die are bonded to a first side of the bottom die. The encapsulant laterally encapsulates the first die and the second die. The first dummy structure is bonded to the first side of the bottom die, wherein a sidewall of the first dummy structure is coplanar with a first sidewall of the bottom die.

A package structure is provided. The package structure includes an interposer substrate including an insulating structure, a conductive pad, a first conducive line, and a first conductive via structure. The package structure includes an electronic device bonded to the conductive pad. The package structure includes a chip structure bonded to the first end portion of the first conductive via structure. The package structure includes a first conductive bump connected between the chip structure and the first end portion of the first conductive via structure. The first end portion protrudes into the first conductive bump and is in direct contact with the first conductive bump.

A package structure is provided. The package structure includes an interposer substrate including an insulating structure, a conductive pad, a first conducive line, and a first conductive via structure. The package structure includes an electronic device bonded to the conductive pad. The package structure includes a chip structure bonded to the first end portion of the first conductive via structure. The package structure includes a first conductive bump connected between the chip structure and the first end portion of the first conductive via structure. The first end portion protrudes into the first conductive bump and is in direct contact with the first conductive bump.

The present disclosure provides a semiconductor structure. The semiconductor structure includes a substrate, a die stack disposed over the substrate, a heat spreader disposed over the substrate and having a surface facing the substrate, and a thermal interface material (TIM) disposed between the die stack and the heat spreader. A bottommost die of the die stack includes a surface exposed from remaining dies of the die stack from a top view perspective; and the TIM is in contact with the exposed surface of the bottommost die and the surface of the heat spreader, and is in contact with a sidewall of at least one of the plurality of dies of the die stack.

The present disclosure provides a semiconductor structure. The semiconductor structure includes a substrate, a die stack disposed over the substrate, a heat spreader disposed over the substrate and having a surface facing the substrate, and a thermal interface material (TIM) disposed between the die stack and the heat spreader. A bottommost die of the die stack includes a surface exposed from remaining dies of the die stack from a top view perspective; and the TIM is in contact with the exposed surface of the bottommost die and the surface of the heat spreader, and is in contact with a sidewall of at least one of the plurality of dies of the die stack.

Disclosed is a semiconductor device comprising a semiconductor substrate, a conductive pad on a first surface of the semiconductor substrate, a passivation layer on the first surface of the semiconductor substrate, the passivation layer having a first opening that exposes the conductive pad, an organic dielectric layer on the passivation layer, the organic dielectric layer having a second opening, and a bump structure on the conductive pad and in the first and second openings. The organic dielectric layer includes a material different from a material of the passivation layer. The second opening is spatially connected to the first opening and exposes a portion of the passivation layer. The bump structure includes a pillar pattern in contact with the passivation layer and the organic dielectric layer.