H01L2924/14252

SEMICONDUCTOR APPARATUS, POWER MODULE AND POWER SUPPLY
20200266120 · 2020-08-20 ·

The semiconductor apparatus includes: a thermal source TS including a semiconductor device generating heat in an operating state; a thermal diffusion unit thermally connected to the thermal source TS, the thermal diffusion unit including space in a direction opposite to the thermal source; a plurality of air-cooling fin units disposed in the space of the thermal diffusion unit, one end of the plurality of fin unit is connected to the thermal diffusion unit; and a base unit connected to the thermal diffusion unit, wherein the plurality of air-cooling fin units is connected to the base unit through a plurality of thermal contact units CP1, CP2, CP3, . . . , CPn. Provide is an air-cooling type semiconductor apparatus, power module, and power supply, each having high heat dissipation performance and realizing light weight.

Power converting device

A power converting device such that an overcurrent is interrupted and damage to a power semiconductor element can be prevented is obtained. The power converting device includes a power semiconductor element, a wiring member connected to an electrode of the power semiconductor element, a bus bar that supplies power to the power semiconductor element, and a frame that houses the power semiconductor element, wherein the bus bar has a connection terminal connected to the wiring member, and a fuse portion is provided in the connection terminal.

POWER CONVERSION DEVICE

A power conversion device includes first and second power semiconductor elements, and a circuit for transferring a drive signal of the first and second power semiconductor elements. The circuit board includes a first emitter wire which is formed along an arranging direction of the first power semiconductor element and the second power semiconductor element, a first gate wire which is disposed between the first power semiconductor element and the first emitter wire, a second gate wire which is disposed between the second power semiconductor element and the emitter wire, a third gate wire which is disposed to face the first gate wire and the second gate wire with the emitter wire interposed between the third gate wire and the first gate wire and the second gate wire, and a first gate resistor which connects the first gate wire and the third gate wire over the first emitter wire.

SEMICONDUCTOR DEVICE AND POWER CONVERSION DEVICE
20200251425 · 2020-08-06 · ·

The object is to provide a technique that can prevent cracks from appearing in an undesirable portion in a resin. A semiconductor device includes an electronic circuit including a semiconductor element, a metal electrode directly connected to the electronic circuit, and an encapsulation resin. The encapsulation resin encapsulates the electronic circuit and the metal electrode. An end portion of the metal electrode on a surface opposite to a surface facing the electronic circuit is acute-shaped, and an end portion of the metal electrode on the surface facing the electronic circuit is arc-shaped or obtuse-shaped.

Semiconducter device with filler to suppress generation of air bubbles and electric power converter

A semiconductor device including: an insulating substrate having a conductor layer on the upper face and the lower face and a semiconductor element mounted on the upper conductor layer; a base plate bonded to the lower conductor layer; a case member surrounding the insulating substrate and bonded to the surface of the base plate to which the conductor layer bonded to the lower face; a first filler being a silicone composition filled in a region surrounded by the base plate and the case member; and a second filler being injected into a region below the first filler and surrounding a peripheral edge portion of the insulating substrate, whose height from the base plate is higher than the upper face and is lower than a bonding face between the semiconductor element and the upper conductor layer.

Semiconductor package having stacked substrates with cavities

A semiconductor package (1, 1, 1), the package (1, 1, 1) comprising a first substrate (2) comprising at a front cavity side (5) a plurality of cavities (6, 6), each of the cavities (6, 6) having a bottom wall (7) and side walls (8), and having a conductive path (10) forming an electric contact surface (9) located at the inner side of the bottom wall (7) of the cavity (6, 6), a plurality of semiconductor elements (16, 7), each of the semiconductor elements (16, 17) comprising a first electric contact surface (9) on a first side (26) and a second electric contact surface (9) on a second side (28) opposite to the first side (26), wherein at least one of the semiconductor elements (16, 17) is placed within a corresponding cavity (6, 6) at the front cavity side (5) of the first substrate (2), wherein the first electric contact (27) of the semiconductor element (16, 17) and the electric contact surface (9) at the inner side of the bottom wall (7) of the corresponding cavity (6, 6) are electrically conductive bonded in a material-locking manner, and a second substrate (3), the second substrate (3) being attached with a connection side (12, 13) to the front cavity side (5) of the first substrate (2) thereby encapsulating the semiconductor elements (16, 17) located within the corresponding cavities (6, 6) at the front cavity side (5) of the first substrate (2).

HIGH POWER MODULE SEMICONDUCTOR PACKAGE WITH MULTIPLE SUBMODULES

In one general aspect, a package can include a first submodule including a first semiconductor die coupled to a first substrate and a first spacer, and disposed between the first spacer and the first substrate. The first submodule includes a second spacer disposed lateral to the first semiconductor die. The package includes a second submodule including a second semiconductor die coupled to a second substrate and a third spacer, and disposed between the third spacer and the second substrate. The second submodule includes a fourth spacer disposed lateral to the second semiconductor die. The package includes an inter-module layer disposed between the first submodule and the second submodule. The first spacer of the first submodule is electrically coupled to the fourth spacer of the second-submodule via the inter-module layer. The second spacer of the first submodule is electrically coupled to the third spacer of the second-submodule via the inter-module layer.

SEMICONDUCTOR MODULE AND POWER CONVERSION DEVICE

Gates of a plurality of semiconductor switching elements are electrically connected to a common gate control pattern by gate wires. Sources of the plurality of semiconductor switching elements are electrically connected to a common source control pattern by source wires. The gate control pattern is disposed to interpose the source control pattern between the gate control pattern and each of the plurality of semiconductor switching elements that are connected in parallel and that operate in parallel. Hence, each of the gate wires becomes longer than each of the source wires, and has an inductance larger than the source wire. Accordingly, gate oscillation is reduced or suppressed in the plurality of semiconductor switching elements that are connected in parallel and that operate in parallel.

PACKAGE STRUCTURE AND METHOD OF MANUFACTURING THE SAME

A package structure and a method of forming the same are provided. The package structure includes a die, an encapsulant, a polymer layer and a redistribution layer. The encapsulant laterally encapsulates the die. The polymer layer is on the encapsulant and the die. The polymer layer includes an extending portion having a bottom surface lower than a top surface of the die. The redistribution layer penetrates through the polymer layer to connect to the die.

Multi-Clip Structure for Die Bonding
20200105707 · 2020-04-02 ·

A multi-clip structure includes a first clip for die bonding and a second clip for die bonding. The multi-clip structure further includes a retaining tape fixed to the first clip and to the second clip to hold the first clip and the second clip together.