H01L2224/85801

Power semiconductor device

A power semiconductor device is provided. The power semiconductor device includes a leadframe, which includes a first chip carrier part and at least one second chip carrier part, which are fitted at a distance from one another and are in each case electrically conductive, at least one first power semiconductor component applied on the first chip carrier part, at least one second power semiconductor component applied on the second chip carrier part, external contacts in the form of external leads, and a capacitor. The capacitor is mounted on two adjacent external leads.

SEMICONDUCTOR DEVICE

An object of the present invention is to stabilize and strengthen the strength of a bonding part between a metal electrode on a semiconductor chip and metal wiring connected thereto using a simple structure. Provided is a semiconductor device including a metal layer 130 on a surface of a metal electrode 120 formed on a semiconductor chip 110, the metal layer 130 consisting of a metal or an alloy different from a constituent metal of the metal electrode 120, metal wiring 140 is connected to the metal layer 130 via a bonding part 150, wherein the constituent metal of the metal layer 130 is a metal or an alloy different from the constituent metal of the metal electrode 120, and the bonding part 150 has an alloy region harder than the metal wiring 140.

Method for assembling a microelectronic chip element on a wire element, and installation enabling assembly to be performed

Method for assembling includes: providing a system to transfer wire element from wire element supply device to wire element storage device; stretching wire element between supply and storage devices by tensioning; providing an individualized reservoir and separated chip elements, each including a connection terminal including a top with free access facing in which chip element is not present; transporting the chip element from reservoir to an assembly area between supply and storage devices in which wire element is tightly stretched in assembly area; fixing electrically conducting wire element to chip element connection terminal in assembly area; and adding electrically insulating material on chip element after latter has been fixed to wire element forming a cover, the addition of material being performed on surface of chip element including connection terminal fixed to wire element to cover at least the connection terminal and portion of wire element at fixing point of latter.

Method for assembling a microelectronic chip element on a wire element, and installation enabling assembly to be performed

Method for assembling includes: providing a system to transfer wire element from wire element supply device to wire element storage device; stretching wire element between supply and storage devices by tensioning; providing an individualized reservoir and separated chip elements, each including a connection terminal including a top with free access facing in which chip element is not present; transporting the chip element from reservoir to an assembly area between supply and storage devices in which wire element is tightly stretched in assembly area; fixing electrically conducting wire element to chip element connection terminal in assembly area; and adding electrically insulating material on chip element after latter has been fixed to wire element forming a cover, the addition of material being performed on surface of chip element including connection terminal fixed to wire element to cover at least the connection terminal and portion of wire element at fixing point of latter.

Semiconductor device and method for manufacturing the same

A semiconductor device can reduce the number of bonding wires. The semiconductor device includes two or more semiconductor elements each of which has electrodes on a first main surface and a second main surface, an electrode plate that has one surface which is bonded to electrodes on the first main surfaces of the semiconductor elements, with a first bonding material layer interposed therebetween, and extends over the electrodes on the first main surfaces of the two or more semiconductor elements, and a conductive plate that includes a first lead terminal and a semiconductor element bonding portion which is bonded to electrodes on the second main surfaces of the semiconductor elements. A second bonding material layer is interposed therebetween, and is connected to the electrodes on the second main surfaces of the two or more semiconductor elements.

Unpacked structure for power device of radio frequency power amplification module and assembly method therefor
09941242 · 2018-04-10 · ·

A power device without a package structure in a radio frequency power amplifier module and an assembly method for a radio frequency power amplifier module are provided. The radio frequency power amplification module includes the power device, a heat dissipating plate and a printed circuit board. The power device includes a carrier flange, a plurality of electronic elements and bond-wires, and the electronic elements are adhered to the carrier flange, the power device and the printed circuit board are fixed on the heat dissipating plate, the electronic elements of the power device are connected with each other through the bond-wires, and the electronic elements are directly connected to the printed circuit board through the bond-wires. The electronic elements include at least one passive device, a decoupling capacitor is disposed on the printed circuit board, and the decoupling capacitor is connected to the passive device through the bond-wires.

WIRING SYSTEM

A method for attaching a prefabricated miniature coaxial wire to a first electrical connection point, the prefabricated miniature coaxial wire having an electrically conductive core disposed within an electrical insulation layer disposed within an electrically conductive shield layer, includes attaching an exposed portion of the electrically conductive core at a distal end of the prefabricated miniature coaxial wire to the first electrical connection point, thereby establishing electrical conductivity between the electrically conductive core and the first electrical connection point, depositing a layer of electrically insulating material onto the exposed portion of the electrically conductive core such that the exposed portion of the electrically conductive core and the first electrical connection point is encased in the layer of electrically insulating material, and connecting the electrically conductive shield layer to a second electrical connection point using a connector formed from an electrically conductive material.

Package with roughened encapsulated surface for promoting adhesion

A package comprising at least one electronic chip, a first heat removal body thermally coupled to a first main surface of the at least one electronic chip and configured for removing thermal energy from the at least one electronic chip, an encapsulant encapsulating at least part of the at least one electronic chip, and part of the first heat removal body, wherein at least part of a surface of the first heat removal body is roughened.

LEADFRAME PACKAGE WITH STABLE EXTENDED LEADS
20180068932 · 2018-03-08 ·

Embodiments of the present disclosure are directed to leadframes having the cantilevered extension that includes an integral support on the end of the lead nearest the die pad. A support integral to the leadframe allows the support to be built to the proper height to support the cantilevered lead in each package and reduces or eliminates the upward, downward, and side to side deflections caused or allowed by supports built-in to the tooling of the manufacturing equipment. Also, by building the support into the leadframe, the leadframes may be pretaped prior to the die attach and wire bonding steps of the manufacturing process.

Semiconductor device having varying wiring resistance
09905652 · 2018-02-27 · ·

In a conventional semiconductor chip, the source electrode and the sense pad electrode for current detection are provided separately and distanced from each other on the front surface of the semiconductor chip. The area occupied by the sense pad electrode must be several times the area of a MOSFET cell unit. Therefore, there is a problem that the area of the sense pad electrode is enlarged relative to the source electrode. Provided is a semiconductor device including a semiconductor substrate; a front surface electrode provided above the semiconductor substrate; a first wire for a first terminal connected to the front surface electrode; and a second wire for current sensing connected to the front surface electrode. A resistance of a path through which current flows through the second wire is higher than a resistance of a path through which the current flows through the first wire.