H01L2224/4001

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.

CLIP STRUCTURE FOR SEMICONDUCTOR PACKAGE AND SEMICONDUCTOR PACKAGE INCLUDING THE SAME
20220399300 · 2022-12-15 · ·

Provided is a clip structure for a semiconductor package comprising: a first bonding unit bonded to a terminal part of an upper surface or a lower surface of a semiconductor device by using a conductive adhesive interposed therebetween, a main connecting unit which is extended and bent from the first bonding unit, a second bonding unit having an upper surface higher than the upper surface of the first bonding unit, an elastic unit elastically connected between the main connecting unit and one end of the second bonding unit, and a supporting unit bent and extended from the other end of the second bonding unit toward the main connecting unit, wherein the supporting unit is formed to incline at an angle of 1° through 179° from an extended surface of the main connecting unit and has an elastic structure so that push-stress applying to the semiconductor device while molding may be dispersed.

SEMICONDUCTOR DEVICE
20220392865 · 2022-12-08 ·

In order to reduce on-resistance in a semiconductor device to be used for high current applications, the semiconductor device includes a source terminal lead located between a gate terminal lead and a Kelvin terminal lead in plan view and electrically connected with a source terminal via a plurality of wires.

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.

CONNECTING STRIP FOR DISCRETE AND POWER ELECTRONIC DEVICES
20220320032 · 2022-10-06 · ·

A connecting strip of conductive elastic material having an arched shape having a concave side and a convex side. The connecting strip is fixed at the ends to a support carrying a die with the convex side facing the support. During bonding, the connecting strip undergoes elastic deformation and presses against the die, thus electrically connecting the at least one die to the support.

Clips for semiconductor packages

A clip for a semiconductor package and a semiconductor having a clip is disclosed. In one example, the clip includes a first planar portion, a plurality of first pillars, and a plurality of first solder balls. Each first pillar of the plurality of first pillars is coupled to the first planar portion. Each first solder ball of the plurality of first solder balls is coupled to a corresponding first pillar of the plurality of first pillars.

CLIP DESIGN AND METHOD OF CONTROLLING CLIP POSITION

According to an aspect, a power electronic module includes a substrate, a semiconductor die coupled to the substrate, and a clip member configured to secure the semiconductor die to the substrate, where the clip member includes a base portion having a surface coupled to the semiconductor die, an extender portion that extends from the base portion, where the extender portion includes a contact portion coupled to the substrate, and at least one protrusion that extends from the base portion or the extender portion.

SEMICONDUCTOR MODULE
20230335460 · 2023-10-19 · ·

A semiconductor module includes a laminate substrate including an insulating plate and first and second circuit boards on an upper surface of the insulating plate, the first semiconductor device on an upper surface of the first circuit board, a first main terminal, and a first metal wiring board that electrically connects the first semiconductor device to the first main terminal. The first metal wiring board has a first bonding section bonded to an upper surface electrode of the first semiconductor device, a second bonding section bonded to an upper surface of the second circuit board, a first coupling section that couples the first bonding section to the second bonding section, a first raised section that rises upward from an end portion of the second bonding section. The first raised section has an upper end that is electrically connected to the first main terminal.

Power semiconductor module with laser-welded leadframe

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 package and related methods

Implementations of semiconductor packages may include one or more die coupled over a substrate, an electrically conductive spacer coupled over the substrate, and a clip coupled over and to the one or more die and the electrically conductive spacer. The clip may electrically couple the one or more die and the electrically conductive spacer.