H01L23/3731

Semiconductor package including dummy chip on a first semiconductor chip and laterally spaced apart from a second semiconductor chip
11222882 · 2022-01-11 · ·

Disclosed is a semiconductor package including a first semiconductor chip on a substrate, a second semiconductor chip on the substrate and laterally spaced apart from the first semiconductor chip, a dummy chip on the first semiconductor chip, and a dielectric layer between the first semiconductor chip and the dummy chip. A top surface of the first semiconductor chip may be lower than a top surface of the second semiconductor chip. The dielectric layer may include an inorganic dielectric material.

Thermally Conductive Resin Sheet, Laminated Heat Dissipation Sheet, Heat Dissipation Circuit Board, and Power Semiconductor Device

Provided is a thermally conductive resin sheet having sufficient withstand voltage performance and excellent moisture absorption reflow tolerance that comprises a resin composition containing a crystalline thermoplastic resin having a melting point of 300° C. or higher and a thermally conductive filler, the thermally conductive filler comprising boron nitride agglomerated particles.

In addition, the thermally conductive resin sheet according to another embodiment of the present invention comprises a resin composition containing 15% by mass or more and 40% by mass or less of a crystalline thermoplastic resin having a melting point of 300° C. or higher and 60% by mass or more and 85% by mass or less of a thermally conductive filler, a thermal conductivity of the thermally conductive resin sheet in the thickness direction at 25° C. being 5.0 W/m.Math.K or more.

Semiconductor device

A semiconductor device includes a base member, a multilayer wiring layer, and a first resistive element. The multilayer wiring layer is formed on the base member. The first resistive element is formed in the multilayer wiring layer. The first resistive element includes a first conductive part, a second conductive part and a third conductive part. The second conductive part is formed over the first conductive part. The third conductive part electrically connects the first conductive part and the second conductive part with each other. A length of the third conductive part in a first direction along a surface of the base member is greater than a length of the third conductive part in a second direction along the surface of the base member and perpendicular to the first direction.

Chip package

A chip package including a heat-dissipating device, a first thermal interface material layer disposed on the heat-dissipating device, a patterned circuit layer disposed on the first thermal interface material layer, a chip disposed on the patterned circuit layer and electrically connected to the patterned circuit layer, and an insulating encapsulant covering the chip, the patterned circuit layer, and the first thermal interface material layer is provided. The first thermal interface material layer has a thickness between 100 μm and 300 μm. The first thermal interface material layer is located between the patterned circuit layer and the heat-dissipating device.

Compressible foamed thermal interface materials and methods of making the same

Disclosed are exemplary embodiments of compressible foamed thermal interface materials. Also disclosed are methods of making and using compressible foamed thermal interface materials.

PACKAGE ARCHITECTURE UTILIZING WAFER TO WAFER BONDING
20230298958 · 2023-09-21 ·

The present disclosure relates to a package architecture and a method for making the same. The disclosed package architecture includes a package carrier, a first device die and a second device die mounted on the package carrier, and a heat spreader. The first device die includes a first device body with a thickness between 5 .Math.m and 130 .Math.m, a die carrier, and an attachment section between the first device body and the die carrier, while the second device die includes a second device body. The first device body and the second device body are formed of different materials. A top surface of the die carrier of the first device die and a top surface of the second device body of the second device die are substantially coplanar. The heat spreader resides over the top surface of the die carrier and the top surface of the second device body.

Semiconductor package and method of manufacturing the same

A semiconductor package includes a redistribution structure, at least one semiconductor device, a heat dissipation component, and an encapsulating material. The at least one semiconductor device is disposed on and electrically connected to the redistribution structure. The heat dissipation component is disposed on the redistribution structure and includes a concave portion for receiving the at least one semiconductor device and an extending portion connected to the concave portion and contacting the redistribution structure, wherein the concave portion contacts the at least one semiconductor device. The encapsulating material is disposed over the redistribution structure, wherein the encapsulating material fills the concave portion and encapsulates the at least one semiconductor device.

Semiconductor device stack-up with bulk substrate material to mitigate hot spots

Embodiments disclosed herein include semiconductor dies and methods of forming such dies. In an embodiment, the semiconductor die comprises a semiconductor substrate, an active device layer in the semiconductor substrate, where the active device layer comprises one or more transistors, an interconnect layer over a first surface of the active device layer, a first bonding layer over a surface of the semiconductor substrate, a second bonding layer secured to the first bonding layer, and a heat spreader attached to the second bonding layer.

Method of manufacturing a power semiconductor component arrangement or a power semiconductor component housing

Disclosed is a method of manufacturing a power semiconductor component arrangement or a power semiconductor component housing. The method involves a sintering process in which the plurality of layer-shaped unsintered ceramic substrates are converted into a sintered ceramic single layer or multilayer substrate or into a sintered ceramic single layer or multilayer interconnect device. Also disclosed is a power semiconductor component arrangement or a power semiconductor component housing that can be manufactured using the above method. Further disclosed are the uses of the power semiconductor component arrangement or the power semiconductor component housing.

SUBSTRATES FOR POWER STAGE ASSEMBLIES COMPRISING BOTTOM-COOLED SEMICONDUCTOR POWER SWITCHING DEVICES
20230282540 · 2023-09-07 ·

A multi-zone substrate for a power stage assembly comprising at least one bottom-cooled semiconductor power switching device and driver components, for integration on a common substrate. A first zone provides electrical connections and a thermal pad for mounting at least one bottom-cooled semiconductor switching device, the first zone comprising dielectric and conductive layers which provide a power substrate optimized for thermal performance. A second zone provides electrical connections for mounting driver components, the second zone comprising dielectric and conductive layers providing a driver substrate optimized for electrical performance. For example, the first zone comprises a single layer metal interconnect structure with a first thermal resistance, the second zone comprises a multi-layer metal interconnect structure with a second thermal resistance, the first thermal resistance being less than the second thermal resistance. The power stage assembly may comprise a multi-zone substrate configured for a single switch, half-bridge or full-bridge switch topology.