H01L2224/84214

Power Semiconductor Module with Accessible Metal Clips

A power semiconductor module includes a substrate with a metallization layer that is structured. A semiconductor chip having a first side bonded to the metallization layer. A metal clip, which is a strip of metal, has a first planar part bonded to a second side of the semiconductor chip opposite to the first side. The metal clip also has a second planar part bonded to the metallization layer. A mold encapsulation at least partially encloses the substrate and the metal clip. The mold encapsulation has a recess approaching towards the first planar part of the metal clip. The semiconductor chip is completely enclosed by the mold encapsulation, the substrate and the metal clip and the first planar part of the metal clip is at least partially exposed by the recess. A sensor is accommodated in the recess.

Power Semiconductor Module with Accessible Metal Clips

A power semiconductor module includes a substrate with a metallization layer that is structured. A semiconductor chip having a first side bonded to the metallization layer. A metal clip, which is a strip of metal, has a first planar part bonded to a second side of the semiconductor chip opposite to the first side. The metal clip also has a second planar part bonded to the metallization layer. A mold encapsulation at least partially encloses the substrate and the metal clip. The mold encapsulation has a recess approaching towards the first planar part of the metal clip. The semiconductor chip is completely enclosed by the mold encapsulation, the substrate and the metal clip and the first planar part of the metal clip is at least partially exposed by the recess. A sensor is accommodated in the recess.

SEMICONDUCTOR PACKAGE WITH CLIP ALIGNMENT NOTCH
20180012829 · 2018-01-11 · ·

An electronic component includes a leadframe and a first semiconductor die. The leadframe includes a leadframe top side, a leadframe bottom side opposite the leadframe top side, and a top notch at the leadframe top side. The top notch includes a top notch base located between the leadframe top side and the leadframe bottom side, and defining a notch length of the top notch, and can also include a top notch first sidewall extended, along the notch length, from the leadframe top side to the top notch base. The first semiconductor die can include a die top side a die bottom side opposite the die top side and mounted onto the leadframe top side, and a die perimeter. The top notch can be located outside the die perimeter. Other examples and related methods are also disclosed herein.

Power Semiconductor Module with Laser-Welded Leadframe
20220406745 · 2022-12-22 ·

A power semiconductor module includes a substrate with a structured metallization layer and a number of semiconductor chips. Each chip has a first power electrode bonded to the metallization layer. A leadframe is laser-welded to second power electrodes of the semiconductor chips for electrically interconnecting the semiconductor chips. A control conductor is attached to the leadframe opposite to the semiconductor chips and is electrically isolated from the leadframe. The control conductor is electrically connected to control electrodes of the semiconductor chips in the group.

SEMICONDUCTOR DEVICE
20220344253 · 2022-10-27 ·

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.

HIGH DENSITY AND DURABLE SEMICONDUCTOR DEVICE INTERCONNECT

A method of forming a semiconductor device includes providing a carrier comprising a die attach pad, providing a semiconductor die that includes a bond pad disposed on a main surface of the semiconductor die, and providing a metal interconnect element, arranging the semiconductor die on the die attach pad such that the bond pad faces away from the die attach pad, and welding the metal interconnect element to the bond pad, wherein the bond pad comprises first and second metal layers, wherein the second metal layer is disposed between the first metal layer and a semiconductor body of the semiconductor die, wherein a thickness of the first metal layer is greater than a thickness of the second metal layer, and wherein the first metal layer has a different metal composition as the second metal layer.

Semiconductor device with a laser-connected terminal

A semiconductor device, including a capacitor, a semiconductor module having a first power terminal formed on a front surface of a first insulating member, and a connecting member electrically connecting and mechanically coupling the semiconductor module and the capacitor to each other, the connecting member having a front surface and a rear surface opposite to each other, the rear surface being on a front surface of the first power terminal. The connecting member is bonded to the semiconductor module via a first welded portion, which penetrates the front and rear surfaces of the connecting member, and penetrates the front surface of the first power terminal, in a thickness direction of the semiconductor device, a distance in the thickness direction between a bottommost portion of first welded portion and the front surface of the first insulating member being 0.3 mm or more.

Electronic module

An electronic module has a first substrate 11, a first electronic element 13, a second electronic element 23, a second substrate 21, a first terminal part 110 provided on a side of the first substrate 11 and a second terminal part 120 provided on a side of the second substrate 21. The first terminal part 110 has a first surface direction extending part 114 and a first normal direction extending part 113 extending toward one side or the other side. The second terminal part 120 has a second surface direction extending part 124 and a second normal direction extending part 123 extending toward one side or the other side. The second surface direction extending part 124 is provided on one side of the first surface direction extending part 114, and the first surface direction extending part 114 and the second surface direction extending part 124 overlap one another in a surface direction.

Method for Welding an Attachment Piece to a Semiconductor Metallisation by Laser Welding

Various teachings of the present disclosure include a method for welding an attachment piece to a semiconductor metallization using laser welding. The method may include: arranging an attachment piece having a flat side with a thin point so the flat side faces the semiconductor metallization; and welding the flat side to the semiconductor metallization. The flat side rests against a flat side of the semiconductor metallization over an entire surface area of the flat side. The thin point is formed with a cup shape of the attachment piece. The cup shape is open in the direction away from the semiconductor metallization.