H01L2224/8384

DUAL-SIDE COOLING SEMICONDUCTOR PACKAGES AND RELATED METHODS

A dual-side cooling (DSC) semiconductor package includes a first metal-insulator-metal (MIM) substrate having a first insulator layer, first metallic layer, and second metallic layer. A second MIM substrate includes a second insulator layer, third metallic layer, and fourth metallic layer. The third metallic layer includes a first portion having a first contact area and a second portion, electrically isolated from the first portion, having a second contact area. A semiconductor die is coupled with the second metallic layer and is directly coupled with the third metallic layer through one or more solders, sintered layers, electrically conductive tapes, solderable top metal (STM) layers, and/or under bump metal (UBM) layers. The first contact area is electrically coupled with a first electrical contact of the die and the second contact area is electrically coupled with a second electrical contact of the die. The first and fourth metallic layers are exposed through an encapsulant.

Semiconductor device comprising electronic components electrically joined to each other via metal nanoparticle sintered layer and method of manufacturing the same
11569169 · 2023-01-31 · ·

Provided is a semiconductor device including electronic components electrically joined to each other via a metal nanoparticle sintered layer, wherein the metal nanoparticle sintered layer has formed therein a metal diffusion region in which a metal constituting a metallization layer formed on a surface of one of the electronic components is diffused, and in which the metal is present in an amount of 10 mass % or more and less than 100 mass % according to TEM-EDS analysis, and wherein the metal diffusion region has a thickness smaller than a thickness of the metallization layer.

SEMICONDUCTOR MODULE AND POWER CONVERSION APPARATUS

A semiconductor module includes a first power semiconductor device, a conductive wire, and a resin film. The conductive wire is joined to a surface of a first front electrode of the first power semiconductor device. The resin film is formed to be continuous on at least one of an end portion or an end portion of a first joint between the first front electrode and the conductive wire in a longitudinal direction of the conductive wire, a surface of the first front electrode, and a surface of the conductive wire. The resin film has an elastic elongation rate of 4.5% to 10.0%.

SEMICONDUCTOR MODULE AND POWER CONVERSION APPARATUS

A semiconductor module includes a first power semiconductor device, a conductive wire, and a resin film. The conductive wire is joined to a surface of a first front electrode of the first power semiconductor device. The resin film is formed to be continuous on at least one of an end portion or an end portion of a first joint between the first front electrode and the conductive wire in a longitudinal direction of the conductive wire, a surface of the first front electrode, and a surface of the conductive wire. The resin film has an elastic elongation rate of 4.5% to 10.0%.

Film-shaped firing material, film-shaped firing material provided with support sheet, method for manufacturing film-shaped firing material, and method for manufacturing film-shaped firing material provided with support sheet
11707787 · 2023-07-25 · ·

This film-shaped firing material is a film-shaped firing material containing sinterable metal particles and a binder component, in which, when the average thickness of the portion of the film-shaped firing material excluding the edge portion is deemed 100%, the average thickness of the edge portion of the film-shaped firing material is at least 5% thicker than the average thickness of the portion of the film-shaped firing material excluding the edge portion.

APPARATUS AND METHOD FOR A PRESSURE-SINTERING CONNECTION

A method and an apparatus for the pressure-sintering connection of a first and a second connection provide a frame element lowerable onto a frame surface surrounding the supporting surface, having a sintering ram lowerable lowered from the normal direction onto the second connection partner and exerts pressure thereon, and converting a sintering paste between the connection partners into a sintered metal, and having an auxiliary apparatus for the arrangement of a separating film for the peripheral covering of the frame surface and the connection partners. This arrangement of the separating film produces an inner region bounded by the frame element and bounded by a separating film portion within the frame element and by the supporting surface, and injection opening and an outlet opening allow a second gas to flush through said inner region from the injection opening to the outlet opening and displace a first gas.

SEMICONDUCTOR DEVICE
20230028808 · 2023-01-26 · ·

A semiconductor device includes an insulating layer having a first surface and a second surface opposite to the first surface. The semiconductor device includes at least one semiconductor element located on a side of the first surface. The semiconductor device includes a first metal sinter and a second metal sinter. The first metal sinter is in contact with the first surface of the insulating layer and the semiconductor element, and bonds the insulating layer and the semiconductor element. The second metal sinter is in contact with the second surface of the insulating layer.

AUTOMOBILE HEAT DISSIPATION DEVICE HAVING MODIFIED SURFACE AND SURFACE MODIFICATION AND JOINT METHOD FOR AUTOMOBILE HEAT DISSIPATION DEVICE
20230230897 · 2023-07-20 ·

A surface modification and joint method for an automobile heat dissipation device and an automobile heat dissipation device having a modified surface are provided. The surface modification and joint method includes providing a metal heat dissipation device, forming a sputtered metal layer that is patterned on a surface of the metal heat dissipation device by sputtering to form a modification area of the metal heat dissipation device so as to modify the surface of the metal heat dissipation device, and jointing a surface of the sputtered metal layer to at least one automobile electronic module by sintering, so that the metal heat dissipation device is thermally coupled to the at least one automobile electronic module.

SELF-DENSIFYING NANO-SILVER PASTE AND A METHOD OF FORMING INTERCONNECT LAYER FOR HIGH POWER ELECTRONICS
20230230950 · 2023-07-20 ·

A self-densifying interconnection is formed between a high-temperature semiconductor device selected from a GaN or SiC-based device and a substrate. The interconnection includes a matrix of micron-sized silver particles in an amount from approximately 10 to 60 weight percent; the micron-sized silver particles having a particle size ranging from approximately 0.1 microns to 15 microns. Bonding particles are used to chemically bind the matrix of micron-sized silver particles. The bonding particles are core silver nanoparticles with in-situ formed surface silver nanoparticles chemically bound to the surface of the core silver nanoparticles and, at the same time, chemically bound to the matrix of micron-sized silver particles. The bonding particles have a core particle size ranging from approximately 10 to approximately 100 nanometers while the in-situ formed surface silver nanoparticles have a particle size of approximately 3-9 nanometers.

Power module and method of manufacturing the same, and power conversion apparatus

A power module includes a plurality of conductive wire groups and a sealing member. The plurality of conductive wire groups each include a first bonded portion and a second bonded portion. A maximum gap between intermediate portions of a pair of conductive wire groups adjacent to each other is larger than a first gap between the first bonded portions of the pair of conductive wire groups adjacent to each other. The maximum gap between the intermediate portions of the pair of conductive wire groups adjacent to each other is larger than a second gap between the second bonded portions of the pair of conductive wire groups adjacent to each other. Therefore, the power module is improved in reliability.