Abstract: It is an object to provide a power semiconductor module having a case shared for base plates of different sizes and having a high-stability base plate. The power semiconductor module according to the present invention includes: a base plate; an insulating substrate disposed on a first main surface of the base plate; a semiconductor chip disposed on an insulating substrate; a case for enclosing the base plate except a second main surface of the base plate facing the first main surface, the insulating substrate, and the semiconductor chip; and a spacer provided between the outer periphery of the base plate and the inner periphery of the case and in contact with both. The spacer has a bonding surface with a side surface of the base plate and the first main surface in the contact with the outer periphery of the base plate.

Abstract: A semiconductor module has a first electrode terminal, a second electrode terminal, a third electrode terminal, a fourth electrode terminal, a fifth electrode terminal, and a sixth electrode terminal. The first electrode terminal and the second electrode terminal are arranged along a first direction. The third electrode terminal, the fourth electrode terminal, the fifth electrode terminal, and the sixth electrode terminal are arranged along a second direction perpendicular to the first direction. The first electrode terminal is arranged at a position where the first direction intersects with the second direction. The fourth electrode terminal, the fifth electrode terminal, and the sixth electrode terminal are AC output terminals or AC input terminals. The first electrode terminal is one of an anode terminal and a cathode terminal. At least one of the second electrode terminal and the third electrode terminal is the other of the anode terminal and the cathode terminal.

Abstract: A semiconductor module includes a case, a semiconductor component provided in the case for switching a current, encapsulating resin provided in the case for covering the semiconductor component, a magnetic shield contacting the encapsulating resin and containing a magnetic material, and an embedded magnetic shield embedded in the case, the embedded magnetic shield containing a magnetic material.

Abstract: A semiconductor module includes a case, a semiconductor component provided in the case for switching a current, encapsulating resin provided in the case for covering the semiconductor component, a magnetic shield contacting the encapsulating resin and containing a magnetic material, and an embedded magnetic shield embedded in the case, the embedded magnetic shield containing a magnetic material.

Abstract: An electronic circuit according to this invention includes a printed circuit board and an electronic component that is soldered onto the printed circuit board. The electronic component is a flat package including a die pad exposed to outside and external electrode terminals. A gap is provided between the printed circuit board and the electronic component. The printed circuit board is provided with a hole between the die pad and the external electrode terminals in planar view. The gap is filled with insulating resin at least partially between the die pad and the external electrode terminals. The insulating resin is injected through the hole.

Abstract: An electronic circuit according to this invention includes a printed circuit board and an electronic component that is soldered onto the printed circuit board. The electronic component is a flat package including a die pad exposed to outside and external electrode terminals. A gap is provided between the printed circuit board and the electronic component. The printed circuit board is provided with a hole between the die pad and the external electrode terminals in planar view. The gap is filled with insulating resin at least partially between the die pad and the external electrode terminals. The insulating resin is injected through the hole.

Abstract: In a conventional semiconductor device, a pattern serving as a heat dissipating material is formed by applying a phase transition material. Provided is a semiconductor device that can reduce collapse of a pattern shape even if a shock is applied to the pattern formed with the phase transition material that is liquefied when the environmental temperature is not sufficiently controlled. The semiconductor device includes semiconductor elements mounted inside a semiconductor module (10); a heat radiating surface (13), formed in the semiconductor module (10), dissipating heat generated in the semiconductor elements to a heat radiator; a pattern (14) formed on the heat radiating surface and made from a phase transition material; and a film (15) serving as a first film that covers the pattern (14).

Abstract: A metal base substrate of the present invention includes a copper plate made of copper, a metal layer that is formed on the copper plate and is made of a metal different from the copper, an insulating resin sheet that is formed by bonding a sheet made of an insulating resin onto the metal layer, and a circuit pattern formed on the insulating resin sheet.

Abstract: A power module includes: a base plate having a front surface provided with positioning wire bonding portions; an insulating substrate provided with hole portions accommodating the positioning wire bonding portions on a side of a back surface facing the base plate, and fixed to the base plate with being positioned with respect to the base plate by the hole portions accommodating the positioning wire bonding portions; and a semiconductor chip arranged on a side of a front surface of the insulating substrate opposite to the back surface.

Abstract: A semiconductor device includes a first printed circuit board, a flat cable having electrical wires and a coating film which covers the electrical wires except for both ends, one end of each of the electrical wires is connected to the first printed circuit board, and a second printed circuit board connected to other end of each of the electrical wires. The flat cable is bent in such a manner that the first printed circuit board and the second printed circuit board face each other. A flat surface is formed in a portion of the coating film.

Abstract: An electronic component mounting device includes an insulating substrate having a metal pattern formed thereon and a MELF electronic component. The MELF electronic component is fitted into a first receiving portion configured with the metal pattern and the insulating substrate exposed from a lacking portion of the metal pattern. The electronic component mounting device further includes a conductive member formed between the MELF electronic component and the metal pattern, and the conductive member is not formed between the MELF electronic component and the insulating substrate.

Abstract: A power module includes: a base plate having a front surface provided with positioning wire bonding portions; an insulating substrate provided with hole portions accommodating the positioning wire bonding portions on a side of a back surface facing the base plate, and fixed to the base plate with being positioned with respect to the base plate by the hole portions accommodating the positioning wire bonding portions; and a semiconductor chip arranged on a side of a front surface of the insulating substrate opposite to the back surface.

Abstract: A semiconductor device in the preferred embodiment includes: a lead frame comprising a die pad and an electrode terminal; and at least one semiconductor chip bonded to a surface of the die pad, wherein the lead frame excluding a bottom surface thereof and the semiconductor chip are sealed by a sealing resin, and an unevenness is introduced on a bonding interface between the surface of the die pad and the semiconductor chip.

Abstract: Provided is a semiconductor module having high inrush-current tolerance. A semiconductor module includes a switching element formed of a wide bandgap semiconductor, and a free wheel diode connected in antiparallel with the switching element, wherein the free wheel diode is made of silicon and has negative temperature characteristics.

Abstract: An electronic circuit according to this invention includes a printed circuit board and an electronic component that is soldered onto the printed circuit board. The electronic component is a flat package including a die pad exposed to outside and external electrode terminals. A gap is provided between the printed circuit board and the electronic component. The printed circuit board is provided with a hole between the die pad and the external electrode terminals in planar view. The gap is filled with insulating resin at least partially between the die pad and the external electrode terminals. The insulating resin is injected through the hole.

Abstract: A semiconductor device includes a first printed circuit board, a flat cable having electrical wires and a coating film which covers the electrical wires except for both ends, one end of each of the electrical wires is connected to the first printed circuit board, and a second printed circuit board connected to other end of each of the electrical wires. The flat cable is bent in such a manner that the first printed circuit board and the second printed circuit board face each other. A flat surface is formed in a portion of the coating film.