Fuji Electric Co., Ltd.

Takashi Katsuki

Takahiro Nishijima

Tadahiko Sato

Toshio Denta

Naoki Saegusa

Hiroki Kogawa

A case includes a terminal disposition portion which includes a disposition surface projecting from an inner wall surface toward an open area, exposes an exposure region on a front surface of an external connecting terminal, and embeds therein a rear surface of the external connecting terminal. In the case, at at least part of both sides along a pair of opposite sides of the exposure region, the disposition surface is located between the front surface and the rear surface to have a level difference to the front surface. In a semiconductor device with the above-described configuration, the case does not extend to the exposure region on the front surface of the external connecting terminal. Therefore, no encapsulation resin flows into an interfacial debonding gap between the external connecting terminal and the case, thus curbing further advance of the interfacial debonding.

Semiconductor device

A semiconductor package is provided, including: a package body; and a plurality of lead terminals exposed from each of at least three side surfaces of the package body, wherein the plurality of lead terminals include: a plurality of lead terminals exposed from a first side surface, half or more of which have tips pointing in a direction along the first side surface; a plurality of lead terminals exposed from a second side surface, all of which have tips pointing in a direction along a direction orthogonal to the second side surface; and a plurality of lead terminals exposed from a third side surface, half or more of which have tips pointing in a direction along the third side surface, or all of which have tips pointing in a direction along a direction orthogonal to the third side surface.

Semiconductor package

In a semiconductor device, first to fourth circuit patterns are formed on an insulating substrate in a case. A first end of a first lead frame is connected via solder to the first circuit pattern and another end of the first lead frame extends outside from the case. In the same way, a first end of a second lead frame is connected via solder to the fourth circuit pattern and another end extends outside from a case. Portions of the second and third circuit patterns are covered by the first lead frame and are respectively buried by insulating layers. In addition, a semiconductor element is provided via solder on a region of the first lead frame above the first circuit pattern. Wires electrically connect the semiconductor element and a region of the second lead frame above the fourth circuit pattern.

A semiconductor device includes an insulating substrate having a metal plate, an insulating resin plate, and a circuit plate laminated in order; a semiconductor element fixed to the circuit plate; a wiring member connected to an electrode disposed on a front surface of the semiconductor element or to the circuit plate of the insulating substrate; a housing accommodating the insulating substrate, the semiconductor element, and the wiring member; and a sealing material including a thermosetting resin, and sealing the insulating substrate, the semiconductor element, and the wiring member accommodated in the housing. The circuit plate of the insulating substrate is selectively formed on the insulating resin plate as a combination of a circuit pattern with a sealing material adhering pattern.

A semiconductor device includes an insulating substrate including a metal plate, an insulating plate, and a circuit plate laminated sequentially in order; a semiconductor element fixed to the circuit plate; a wiring member connected to an electrode provided on a surface of the semiconductor element, the circuit plate, or the electrode and the circuit plate; a plastic housing having a hollow shape to receive the insulating substrate, the semiconductor element, and the wiring member therein, the plastic housing having an inner frame on an inner surface and a step formed in a front end of the inner frame; and a sealing material made of a thermosetting resin to seal the insulating substrate, the semiconductor element, and the wiring member inside the plastic housing.

A semiconductor device has an insulating substrate, a semiconductor element which is mounted on the insulating substrate, a hollow casing which surrounds a peripheral edge of the insulating substrate to contain the semiconductor element therein, and a sealing material which is charged into the casing to seal the inside of the casing. The casing has protrusion portions each of which partially protrudes from an upper surface of the casing. Thus, it is possible to provide a semiconductor device in which poor external appearance or lowering of adhesion to a cover can be prevented even when a sealing material is injected up to the vicinity of an upper surface of a casing.

Semiconductor device and semiconductor device casing

A method of manufacturing a semiconductor apparatus according to aspects of the invention can include the steps of coating solder on an predetermined area in the upper surface of a lead frame, mounting a chip on solder and melting solder with a hot plate for bonding the chip to the lead frame. The method can also include wiring with bonding wires, turning lead frame upside down, placing lead frame turned upside down on heating cradle, coating solder, the melting point of which is lower than the solder melting point and mounting electronic part on solder; and melting solder with heating cradle for bonding electronic part to lead frame. The bonding with solder can be conducted at a high ambient temperature. Aspects of the semiconductor apparatus can facilitate mounting semiconductor devices and electronic parts on both surfaces of a lead frame divided to form wiring circuits without through complicated manufacturing steps.

Growing community of inventors

Matsumoto, Japan

Takashi Katsuki