A semiconductor power module comprises an insulating interposer comprising an insulative layer disposed between a lower metal layer, a first upper metal layer and a second upper metal layer, a semiconductor transistor die disposed on the first upper metal layer, an electrical connector connecting the semiconductor transistor die with the second upper metal layer, a housing enclosing the insulating interposer and the semiconductor transistor die, a first potting material covering at least selective portions of the semiconductor transistor die and the electrical connector; and a second potting material applied onto the first potting material, wherein the first and second potting materials are different from each other.

A semiconductor assembly includes a semiconductor package that includes first and second transistor dies embedded within a package body, the first and second transistor dies being arranged laterally side by side within the package body such that a first load terminal of the first transistor die faces an upper surface of the package body and such that a second load terminal of the second transistor die faces the upper surface of the package body, and a discrete capacitor mounted on the semiconductor package such that a first terminal of the discrete capacitor is directly over and electrically connected to the first load terminal of the first semiconductor die and such that a second terminal of the discrete capacitor is directly over and electrically connected with the second load terminal of the second semiconductor die.

In one embodiment, methods for making semiconductor devices are disclosed.

A semiconductor device includes: a substrate; a semiconductor element arranged on the substrate; a plate-like member electrically connected to the semiconductor element; a first electrode formed on the semiconductor element and joined to the plate-like member with solder; a second electrode formed on the semiconductor element and spaced from the first electrode, and including a metal capable of forming an alloy with the solder; and a metal film formed on the semiconductor element and spaced from the second electrode in a region on the first electrode side as seen from the second electrode, in a two-dimensional view of the semiconductor element as seen from the plate-like member, and including a metal capable of forming an alloy with the solder.

Provided is a semiconductor device including: a transistor portion provided in a semiconductor substrate; and a diode portion provided in the semiconductor substrate, in which an area ratio of the transistor portion to the diode portion on a front surface of the semiconductor substrate is larger than 3.1 and smaller than 4.7. Provided is a semiconductor module including: a semiconductor device including a transistor portion and a diode portion provided in a semiconductor substrate; an external connection terminal electrically connected to the semiconductor device; and a coupling portion for electrically connecting the semiconductor device and the external connection terminal. The coupling portion may be in plane contact with a front surface electrode of the semiconductor device at a predetermined junction surface. An area ratio of the transistor portion to the diode portion may be larger than 2.8 and smaller than 4.7.

In general aspect, a module can include a substrate having a semiconductor circuit implemented thereon, and a negative power supply terminal electrically coupled with the semiconductor circuit via the substrate. The negative power supply terminal includes a connection tab arranged in a first plane. The module also includes a first positive power supply terminal electrically and a second positive power supply terminal that are coupled with the semiconductor circuit via the substrate. The first positive power supply terminal being laterally disposed from the negative power supply terminal, and including a connection tab arranged in the first plane. The second positive power supply terminal is laterally disposed from the negative power supply terminal and arranged in the first plane, such that the negative power supply terminal is disposed between the first positive power supply terminal and the second positive power supply terminal.

A semiconductor device includes: a metal block; a semiconductor element fixed to an upper surface of the block with a first joining material; a main terminal fixed to an upper surface of the element with a second joining material; a signal terminal electrically connected to the element; and a mold resin covers the element, the first and second joining materials, a part of the block, of the main and signal terminals. In the element, a current flows in a longitudinal direction. A lower surface of the block is exposed from the resin. The main and the signal terminals are exposed from a side surface of the resin. The main terminal has a first portion in the resin, a second portion continuous with the first portion and bent downward outside the resin, and a third portion continuous with the second portion and substantially parallel to a lower surface of the resin.

A semiconductor device includes a first switching element, a second switching element, an optical coupling element, a plurality of leads and an outer resin member. The first switching element includes a first semiconductor chip and a first inner resin member sealing the first semiconductor chip. The second switching element includes a second semiconductor chip and a second inner resin member sealing the second semiconductor chip. The optical coupling element includes a light-emitting element, a light-receiving element and a third inner resin member sealing the light-emitting element and the light-receiving element. The first and second switching element and the optical coupling element are provided with terminals projecting from the first to third inner resin member, and the plurality of leads are electrically connected to the terminals. The outer resin member seals the first and second switching elements, the optical coupling element, and the plurality of leads.

A terminal member connected to a connection target portion includes: a bent portion bent toward the connection target portion; and a tip connection portion provided at a tip part of the bent portion, in which the tip connection portion is connected to the connection target portion via a conductive bonding material.

One example of a pre-molded lead frame includes a mold body, a plurality of recesses, and a plurality of first leads. The mold body includes a first main surface and a second main surface opposite to the first main surface. Each recess of the plurality of recesses extends from the first main surface into the mold body. The plurality of first leads are coupled to the mold body and extend from a third surface of the mold body. The third surface extends between the first main surface and the second main surface.