Patent classifications
H01L2224/3716
Semiconductor module and wire bonding method
A semiconductor module includes at least two semiconductor elements connected in parallel; a control circuit board placed between the at least two semiconductor elements; a control terminal for external connection; a first wiring member that connects the control terminal and the control circuit board; and a second wiring member that connects a control electrode of one of the at least two semiconductor elements and the control circuit board, wherein the second wiring member is wire-bonded from the control electrode towards the control circuit board, and has a first end on the control electrode and a second end on the control circuit board, the first end having a cut end face facing upward normal to a surface of the control electrode and the second end having a cut end face facing sideways parallel to a surface of the control circuit board.
Semiconductor module and wire bonding method
A semiconductor module includes at least two semiconductor elements connected in parallel; a control circuit board placed between the at least two semiconductor elements; a control terminal for external connection; a first wiring member that connects the control terminal and the control circuit board; and a second wiring member that connects a control electrode of one of the at least two semiconductor elements and the control circuit board, wherein the second wiring member is wire-bonded from the control electrode towards the control circuit board, and has a first end on the control electrode and a second end on the control circuit board, the first end having a cut end face facing upward normal to a surface of the control electrode and the second end having a cut end face facing sideways parallel to a surface of the control circuit board.
Semiconductor device with metal film, power conversion device with the semiconductor device, and method of manufacturing the semiconductor device
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.
Semiconductor device with metal film, power conversion device with the semiconductor device, and method of manufacturing the semiconductor device
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.
Flip chip backside mechanical die grounding techniques
A semiconductor device includes an integrated circuit attached to a chip carrier in a flip chip configuration. A substrate extends to a back surface of the integrated circuit, and an interconnect region extends to a front surface of the integrated circuit. A substrate bond pad is disposed at the front surface, and is electrically coupled through the interconnect region to the semiconductor material. The chip carrier includes a substrate lead at a front surface of the chip carrier. The substrate lead is electrically coupled to the substrate bond pad. An electrically conductive compression sheet is disposed on the back surface of the integrated circuit, with lower compression tips making electrical contact with the semiconductor material in the substrate. The electrically conductive compression sheet is electrically coupled to the substrate lead of the chip carrier by a back surface shunt disposed outside of the integrated circuit.
Flip chip backside mechanical die grounding techniques
A semiconductor device includes an integrated circuit attached to a chip carrier in a flip chip configuration. A substrate extends to a back surface of the integrated circuit, and an interconnect region extends to a front surface of the integrated circuit. A substrate bond pad is disposed at the front surface, and is electrically coupled through the interconnect region to the semiconductor material. The chip carrier includes a substrate lead at a front surface of the chip carrier. The substrate lead is electrically coupled to the substrate bond pad. An electrically conductive compression sheet is disposed on the back surface of the integrated circuit, with lower compression tips making electrical contact with the semiconductor material in the substrate. The electrically conductive compression sheet is electrically coupled to the substrate lead of the chip carrier by a back surface shunt disposed outside of the integrated circuit.
SEMICONDUCTOR DEVICE
A semiconductor device includes an insulating substrate, a first and a second obverse-surface metal layers disposed on an obverse surface of the insulating substrate, a first and a second reverse-surface metal layers disposed on a reverse surface of the insulating substrate, a first conductive layer and a first semiconductor element disposed on the first obverse-surface metal layer, and a second conductive layer and a second semiconductor element disposed on the second obverse-surface metal layer. Each of the first conductive layer and the second conductive layer has an anisotropic coefficient of linear expansion and is arranged such that the direction in which the coefficient of linear expansion is relatively large is along a predetermined direction perpendicular to the thickness direction of the insulating substrate. The first and second reverse-surface metal layers are smaller than the first and second obverse-surface metal layers in dimension in the predetermined direction.
Semiconductor devices having exposed clip top sides and methods of manufacturing semiconductor devices
In one example, a method of manufacturing a semiconductor device includes providing a substrate having substrate terminals and providing a component having a first component terminal and a second component terminal adjacent to a first major side of the component. The method includes providing a clip structure having a first clip, a second clip, and a clip connector coupling the first clip to the second clip. The method includes coupling the first clip to the first component terminal and a first substrate terminal and coupling the second clip to a second substrate terminal. The method includes encapsulating the component, portions of the substrate, and portions of the clip structure. the method includes removing a sacrificial portion of the clip connector while leaving a first portion of the clip connector attached to the first clip and leaving a second portion of the clip connector attached to the second clip. In some examples, the first portion of the clip connector includes a first portion surface, the second portion of the clip connector includes a second portion surface, and the first portion surface and the second portion surface are exposed from a top side of the encapsulant after the removing. Other examples and related structures are also disclosed herein.
Semiconductor devices having exposed clip top sides and methods of manufacturing semiconductor devices
In one example, a method of manufacturing a semiconductor device includes providing a substrate having substrate terminals and providing a component having a first component terminal and a second component terminal adjacent to a first major side of the component. The method includes providing a clip structure having a first clip, a second clip, and a clip connector coupling the first clip to the second clip. The method includes coupling the first clip to the first component terminal and a first substrate terminal and coupling the second clip to a second substrate terminal. The method includes encapsulating the component, portions of the substrate, and portions of the clip structure. the method includes removing a sacrificial portion of the clip connector while leaving a first portion of the clip connector attached to the first clip and leaving a second portion of the clip connector attached to the second clip. In some examples, the first portion of the clip connector includes a first portion surface, the second portion of the clip connector includes a second portion surface, and the first portion surface and the second portion surface are exposed from a top side of the encapsulant after the removing. Other examples and related structures are also disclosed herein.
SEMICONDUCTOR MODULE
A semiconductor module includes a laminated substrate including an insulating board and a plurality of circuit boards that are arranged on an upper face of the insulating board, the plurality of circuit boards including first and second circuit boards, a semiconductor element disposed on the first circuit board and including, on an upper face of the semiconductor element, a main electrode, a gate pad, and a gate runner electrically connected to the gate pad, and a first wiring member electrically connecting the main electrode to the second circuit board. The gate runner extends so as to divide the main electrode into a plurality of electrodes including a first main electrode at a first side and a second main electrode at a second side, and the first wiring member is arranged to cross over the gate runner.