A semiconductor device and a method of making the same are provided. A first die and a second die are placed over a carrier substrate. A first molding material is formed adjacent to the first die and the second die. A first redistribution layer is formed overlying the first molding material. A through via is formed over the first redistribution layer. A package component is on the first redistribution layer next to the copper pillar. The package component includes a second redistribution layer. The package component is positioned so that it overlies both the first die and the second die in part. A second molding material is formed adjacent to the package component and the first copper pillar. A third redistribution layer is formed overlying the second molding material. The second redistribution layer is placed on a substrate and bonded to the substrate.

A method of making a packaged integrated circuit device includes forming a lead frame with leads that have an inner portion and an outer portion, the inner portion of the lead is between a periphery of a die pad and extends to one end of openings around the die pad. The outer portion of the leads are separated along their length almost up to an opposite end of the openings. Leads in a first subset of the leads alternate with leads in a second subset of the leads. The inner portion of the first subset of the leads is bent. The die pad, the inner portion of the leads, and only a first portion of the openings adjacent the inner portion of the leads are encapsulated. A second portion of the openings and the output portions of the leads form a dam bar for the encapsulating material.

In some embodiments, the present disclosure relates to a package assembly having a bump on a first substrate. A molding compound is on the first substrate and contacts sidewalls of the bump. A no-flow underfill layer is on a conductive region of a second substrate. The no-flow underfill layer and the conductive region contact the bump. A mask layer is arranged on the second substrate and laterally surrounds the no-flow underfill layer. The no-flow underfill layer contacts the substrate between the conductive region and the mask layer.

A semiconductor device has a first semiconductor die and second semiconductor die with a conductive layer formed over the first semiconductor die and second semiconductor die. The second semiconductor die is disposed adjacent to the first semiconductor die with a side surface and the conductive layer of the first semiconductor die contacting a side surface and the conductive layer of the second semiconductor die. An interconnect, such as a conductive material, is formed across a junction between the conductive layers of the first and second semiconductor die. The conductive layer may extend down the side surface of the first semiconductor die and further down the side surface of the second semiconductor die. An extension of the side surface of the first semiconductor die can interlock with a recess of the side surface of the second semiconductor die. The conductive layer extends over the extension and into the recess.

Semiconductor packages may include a molded interposer and semiconductor dice mounted on the molded interposer. The molded interposer may include two redistribution layer structures on opposite sides of a molding compound. Electrically conductive vias may connect the RDL structures through the molding compound, and passive devices may be embedded in the molding compound and electrically connected to one of the RDL structures. Each of the semiconductor dice may be electrically connected to, and have a footprint covering, a corresponding one of the passive devices to form a face-to-face connection between each of the semiconductor dice and the corresponding one of the passive devices.

A package structure and a method for manufacturing the same are provided. The package structure includes an electronic device, a heat spreader, an intermediate layer and an encapsulant. The electronic device includes a plurality of electrical contacts. The intermediate layer is interposed between the electronic device and the heat spreader. The intermediate layer includes a sintered material. The encapsulant encapsulates the electronic device. A surface of the encapsulant is substantially coplanar with a plurality of surfaces of the electrical contacts.

A circuit package comprises a circuit device in a first epoxy mold compound and a second epoxy mold compound of different compositions.

A semiconductor device includes a metal member, a first semiconductor chip, a second semiconductor chip, a first solder and a second solder. A quantity of heat generated in the first semiconductor chip is greater than the second semiconductor chip. The second semiconductor chip is formed of a material having larger Young's modulus than the first semiconductor chip. The first semiconductor chip has a first metal layer connected to the metal member through a first solder at a surface facing the metal member. The second semiconductor chip has a second metal layer connected to the metal member through a second solder at a surface facing the metal member. A thickness of the second solder is greater than a maximum thickness of the first solder at least at a portion of the second solder corresponding to a part of an outer peripheral edge of the second metal layer.

A method of making a semiconductor device can include providing a temporary carrier with adhesive. A first semiconductor die and a second semiconductor die can be mounted face up to the temporary carrier such that back surfaces of the first semiconductor die and the second semiconductor die are depressed within the adhesive. An embedded die panel can be formed by encapsulating at least four sides surfaces and an active surface of the first semiconductor die, the second semiconductor die, and side surfaces of the conductive interconnects in a single step. The conductive interconnects of the first semiconductor die and the second semiconductor die can be interconnected without a silicon interposer by forming a fine-pitch build-up interconnect structure over the embedded die panel to form at least one molded core unit. The at least one molded core unit can be mounted to an organic multi-layer substrate.

The present disclosure relates to a radio frequency (RF) device that includes a mold device die and a multilayer redistribution structure underneath the mold device die. The mold device die includes a device region with a back-end-of-line (BEOL) portion and a front-end-of-line (FEOL) portion over the BEOL portion, and a first mold compound. The FEOL portion includes an active layer formed from a strained silicon epitaxial layer, in which a lattice constant is greater than 5.461 at a temperature of 300K. The first mold compound resides over the active layer. Herein, silicon crystal does not exist between the first mold compound and the active layer. The multilayer redistribution structure includes a number of bump structures, which are at a bottom of the multilayer redistribution structure and electrically coupled to the FEOL portion of the mold device die.