H01L25/115

SEMICONDUCTOR MODULE
20230187376 · 2023-06-15 · ·

A semiconductor module, including: a terminal laminated portion having a first terminal, an insulating member, and a second terminal that are laminated in that order to one another in a laminating direction; and a thermally anisotropic member disposed between the insulating member and the second terminal, the thermally anisotropic member having a thermal conductivity that is higher in a planar direction perpendicular to the laminating direction than in the laminating direction.

Thin-film pn junctions and applications thereof
11678496 · 2023-06-13 ·

Composite materials including a thin-film layer of lateral p-n junctions can be employed in circuits or various components of electrical devices. A composite material comprises a thin-film layer including p-type regions alternating with n-type regions along a face of the thin-film layer, the p-type regions comprising electrically conductive particles dispersed in a first organic carrier and the n-type regions comprising electrically conductive particles dispersed in a second organic carrier, wherein p-n junctions are established at interfaces between the p-type and n-type regions.

High density power module

Methods and systems are provided for a power module. In one example, the power module may have a half-bridge configuration with electrical terminals arranged at opposite side of the power module, semiconductor chips arranged in a printed circuit board (PCB), a capacitor electrically coupled to the electrical terminals and arranged above and in contact with a top plate of the power module, and one or more connectors coupled to the PCB to couple the power module to external circuits. The power module may be directly cooled by flowing a coolant over the semiconductor chips.

POWER MODULE AND METHOD FOR MANUFACTURING SAME

The present invention relates to a power module and a method for manufacturing same, the power module comprising: a ceramic substrate including a ceramic base and an electrode pattern formed on the upper and lower surfaces of the ceramic base; a PCB substrate disposed above the ceramic substrate and including an electrode pattern; a plurality of through-holes formed in at least one of the ceramic substrate and the PCB substrate; and a connection pin coupled to the through-holes and connecting the electrode pattern of the ceramic substrate and the electrode pattern of the PCB substrate to each other. The present invention has advantages in that it is easy to fix the connection pin to the ceramic substrate, the position accuracy of the connection pin is improved, and the convenience of assembly is increased.

INSULATED CIRCUIT BOARD, POWER MODULE AND POWER UNIT

An insulated circuit board includes an insulated substrate, a first electrode, and a second electrode. A thin portion is formed in a corner portion, the corner portion being a region occupying, with regard to directions along outer edges from a vertex of at least one of the first and second electrodes in plan view, a portion of a length of the outer edges, and the thin portion has a thickness smaller than that of a region other than the thin portion. The thin portion in at least one of the first and second electrodes has a planar shape surrounded by first and second sides orthogonal to each other as portions of the outer edges from the vertex, and a curved portion away from the vertex of the first and second sides.

SEMICONDUCTOR PACKAGE AND SEMICONDUCTOR DEVICE
20230178463 · 2023-06-08 · ·

A semiconductor package includes: a semiconductor chip; a plurality of terminals connected to the semiconductor chip; and insulating sealing resin sealing the semiconductor chip and parts of the plurality of terminals, wherein an upper surface of the sealing resin is a flat heat radiation surface, the plurality of terminals respectively protrude from first and second side surfaces of the sealing resin that oppose each other, a distal end portion of each terminal has a substrate bonding surface positioned below a lower surface of the sealing resin, each terminal includes at least two bending portions existing below the heat radiation surface and bent downward, and angles of the bending portions are obtuse angles.

Power semiconductor module having a current sensor module fixed with potting material

Described is a power semiconductor module that includes: a frame made of an electrically insulative material; a first substrate seated in the frame; a plurality of power semiconductor dies attached to the first substrate; a plurality of signal pins attached to the first substrate and electrically connected to the power semiconductor dies; a busbar extending from the first substrate through a side face of the frame; a current sensor module seated in a receptacle of the frame in sensing proximity of the busbar, the current sensor module including a current sensor attached to a circuit board; and a potting material fixing the current sensor module to the frame such that no air gap is present between the current sensor and the busbar. The potting material contacts the frame and the current sensor. Methods of producing the power semiconductor module are also described.

Power semiconductor module with integrated surge arrester

A power semiconductor module includes a plurality of power semiconductor chips. A housing accommodates the power semiconductor chips. A first module electrode on a first side of the housing electrically is connected to a first chip electrode of the power semiconductor chips. A second module electrode on a second side of the housing electrically is connected to a second chip electrode. A surge arrester arrangement with a surge arrester is accommodated in the housing such that a first electrode of the surge arrester arrangement is provided at the first side of the housing and a second electrode of the surge arrester arrangement is provided at the second side of the housing. The power semiconductor chips are arranged in an annular region in the housing and the surge arrester arrangement is arranged within the annular region.

SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE

A semiconductor device and a method for manufacturing the semiconductor device. The semiconductor device includes an insulating substrate, a semiconductor chip, a plate member, and a cooler. The insulating substrate includes insulating ceramics serving as an insulating plate, and conductive plates provided on opposite surfaces of the insulating ceramics. The semiconductor chip is provided on an upper surface of the insulating substrate. The plate member is bonded to a lower surface of the insulating substrate. The cooler is bonded to a lower surface of the plate member. At least one of bonding between a lower surface of the insulating substrate and the plate member and bonding between a lower surface of the plate member and the cooler is performed via a bonding member composed mainly of tin. Also, a cyclic stress of the plate member is smaller than a tensile strength of the bonding member.

Semiconductor packages and other circuit modules with porous and non-porous stabilizing layers
09799626 · 2017-10-24 · ·

Integrated circuits (ICs 110) are attached to a wafer (120W). A stabilization layer (404) is formed over the wafer to strengthen the structure for further processing. Unlike a conventional mold compound, the stabilization layer is separated from at least some wafer areas around the ICs by one or more gap regions (450) to reduce the thermo-mechanical stress on the wafer and hence the wafer warpage. Alternatively or in addition, the stabilization layer can be a porous material having a low horizontal elastic modulus to reduce the wafer warpage, but having a high flexural modulus to reduce warpage and otherwise strengthen the structure for further processing. Other features and advantages are also provided.