H01L21/4875

IC DIE AND HEAT SPREADERS WITH SOLDERABLE THERMAL INTERFACE STRUCTURES FOR ASSEMBLIES INCLUDING SOLDER ARRAY THERMAL INTERCONNECTS

Thermal heat spreaders and/or an IC die with solderable thermal structures may be assembled together with a solder array thermal interconnects. A thermal heat spreader may include a non-metallic material and one or more metallized surfaces suitable for bonding to a solder alloy employed as thermal interface material between the heat spreader and an IC die. An IC die may include a metallized back-side surface similarly suitable for bonding to a thermal interconnect comprising a solder alloy. Metallization on the IC die and/or heat spreader may comprise a plurality of solderable structures. A multi-chip package may include multiple IC die having different die thickness that are accommodated by a z-height thickness variation in the thermal interconnects and/or the solderable structures of the IC die or heat spreader.

APPARATUSES EXHIBITING ENHANCED STRESS RESISTANCE AND PLANARITY, AND RELATED MICROELECTRONIC DEVICES AND MEMORY DEVICES
20210296289 · 2021-09-23 ·

An apparatus comprises conductive segments comprising an uneven topography comprising upper surfaces of the conductive segments protruding above an upper surface of underlying materials, a first passivation material substantially conformally overlying the conductive segments, and a second passivation material overlying the first passivation material. The second passivation material is relatively thicker than the first passivation material. The apparatus also comprises structural elements overlying the second passivation material. The second passivation material has a thickness sufficient to provide a substantially flat surface above the uneven topography of the underlying conductive segments at least in regions supporting the structural elements. Microelectronic devices, memory devices, and related methods are also disclosed.

Silicon Carbide Module Integrated with Heat Sink and the Method Thereof
20210296201 · 2021-09-23 ·

A silicon carbide module integrated with a heat sink includes a heat sink and a silicon carbide module, which is fixedly connected with the heat sink. The solder paste is arranged between the heat sink and the silicon carbide module, and the heat sink and the silicon carbide module are hot pressed through a welding process to weld the silicon carbide module and the heat sink together.

SEMICONDUCTOR DEVICE AND METHODS OF MANUFACTURING SEMICONDUCTOR DEVICES

In one example, a semiconductor device comprises an electronic component comprising a component face side, a component base side, a component lateral side connecting the component face side to the component base side, and a component port adjacent to the component face side, wherein the component port comprises a component port face. A clip structure comprises a first clip pad, a second clip pad, a first clip leg connecting the first clip pad to the second clip pad, and a first clip face. An encapsulant covers portions of the electronic component and the clip structure. The encapsulant comprises an encapsulant face, the first clip pad is coupled to the electronic component, and the component port face and the first clip face are exposed from the encapsulant face. Other examples and related methods are also disclosed herein.

Package structure for semiconductor devices

A semiconductor device package includes a heatsink platform, with a ceramic isolation layer bonded to the heatsink platform. A semiconductor die may be disposed on the ceramic isolation layer, with mold material disposed on the ceramic isolation layer and surrounding at least a portion of the semiconductor die. A redistribution layer may be disposed on the semiconductor die and the mold material. Such packages, and similar, enable the use of a thin, inexpensive device substrate, while providing an efficient thermal path to the heatsink platform, while the redistribution layer enables electrical connections that are short, low-resistance, low-inductance, and low-loss connections.

MEMORY DEVICE AND MANUFACTURING METHOD THEREOF

A memory device including a base chip and a memory cube mounted on and connected with the base chip is described. The memory cube includes multiple stacked tiers, and each tier of the multiple stacked tiers includes semiconductor chips laterally wrapped by an encapsulant and a redistribution structure. The semiconductor chips of the multiple stacked tiers are electrically connected with the base chip through the redistribution structures in the multiple stacked tiers. The memory cube includes a thermal path structure extending through the multiple stacked tiers and connected to the base chip. The thermal path structure has a thermal conductivity larger than that of the encapsulant. The thermal path structure is electrically isolated from the semiconductor chips in the multiple stacked tiers and the base chip.

PACKAGES WITH SEPARATE COMMUNICATION AND HEAT DISSIPATION PATHS
20210202345 · 2021-07-01 ·

In some examples, a package comprises a platform and at least one pedestal positioned along at least a portion of a perimeter of the platform. The platform and the at least one pedestal form a cavity. The package also comprises a die positioned in the cavity and on the platform, with the die having an active circuit facing away from the platform. The package also comprises a conductive layer coupled to the die and to a conductive terminal. The conductive terminal is positioned above the at least one pedestal, and the die and the conductive terminal are positioned in different horizontal planes.

SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF
20210202344 · 2021-07-01 ·

A semiconductor device includes an insulating thermal substrate, a metal wiring layer and a heat-dissipation component. The metal wiring layer includes a plurality of engaging structures. The plurality of engaging structures is disposed between the insulating thermal substrate and the heat-dissipation component, and the heat-dissipation component applies solder structures to connect the metal wiring layer by having the solder structures to wrap partly the plurality of engaging structures. In addition, a method for fabricating the same semiconductor device is also provided.

Compliant Pin Fin heat sink with base integral pins

A compliant pin fin heat sink includes a flexible base plate having a thickness of from about 0.2 mm to about 0.5 mm. A plurality of pins extends from the flexible base plate and is formed integral with the flexible base plate by forging. A flexible top plate is connected to and spaced from the flexible base plate. The plurality of pins is disposed between the flexible base plate and the flexible top plate.

Package structure and manufacturing method thereof

A package structure and the method thereof are provided. The package structure includes a conductive plate, a semiconductor die, a molding compound, and antenna elements. The conductive plate has a first surface, a second surface and a sidewall connecting the first surface and the second surface. The semiconductor die is located on the second surface of the conductive plate. The molding compound laterally encapsulates the semiconductor die and covers the sidewall and a portion of the second surface exposed by the semiconductor die, wherein the first surface of the conductive plate is coplanar with a surface of the molding compound. The antenna elements are located over the first surface of the conductive plate.