H01L2224/40499

SEMICONDUCTOR DEVICE
20230058727 · 2023-02-23 · ·

A semiconductor device is extremely reliable because a sealant thereof is difficult to deteriorate even when a SiC semiconductor element is energized. The semiconductor device is produced by sealing a SiC semiconductor element 11 mounted on a multilayer substrate 12 and electrically conductive connection members 14 and 18 with a sealant 20 containing an ultraviolet light absorbent.

Flip chip backside mechanical die grounding techniques
11574887 · 2023-02-07 · ·

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
11574887 · 2023-02-07 · ·

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
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.

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 DEVICE

A semiconductor device includes a semiconductor part, first and second electrodes, and first and second protective films. The first electrode is provided on the semiconductor part. The first protective film is provided on the semiconductor part and covers an outer edge of the first electrode. The second electrode is provided on the first electrode. The second electrode includes an outer edge partially covering the first protective film. The second protective film is provided on the semiconductor part and covers the first protective film and the outer edge of the second electrode.

Manufacturing method of electronic-component-mounted module

A manufacturing method of an electronic-component-mounted module includes a step of forming a laminate of: a ceramic substrate board, a circuit layer made of aluminum or aluminum alloy on the ceramic substrate board, a first silver paste layer between the circuit layer and one surface of an electronic component, the electronic component, a lead frame made of copper or copper alloy, and a second silver paste layer between the other surface of the electronic component and the lead frame; and a step of batch-bonding bonding the circuit layer, the electronic component, and the lead frame at one time by heating the laminate to a heating temperature of not less than 180° C. to 350° C. inclusive with adding a pressure of 1 MPa to 20 MPa inclusive in a laminating direction on the laminate, to sinter the first and second silver paste layers and form first and second silver-sintered bonding layers.

Manufacturing method of electronic-component-mounted module

A manufacturing method of an electronic-component-mounted module includes a step of forming a laminate of: a ceramic substrate board, a circuit layer made of aluminum or aluminum alloy on the ceramic substrate board, a first silver paste layer between the circuit layer and one surface of an electronic component, the electronic component, a lead frame made of copper or copper alloy, and a second silver paste layer between the other surface of the electronic component and the lead frame; and a step of batch-bonding bonding the circuit layer, the electronic component, and the lead frame at one time by heating the laminate to a heating temperature of not less than 180° C. to 350° C. inclusive with adding a pressure of 1 MPa to 20 MPa inclusive in a laminating direction on the laminate, to sinter the first and second silver paste layers and form first and second silver-sintered bonding layers.

METHOD OF MANUFACTURE FOR A CASCODE SEMICONDUCTOR DEVICE

A method of manufacturing a cascode HEMT semiconductor device including a lead frame, a die pad with an indentation attached to the lead frame, and a HEMT die attached to the die pad. The HEMT die includes a HEMT source and a HEMT drain on a first side, and a HEMT gate on a second side. The device further includes a MOSFET die attached to the source of the HEMT die, and the MOSFET die includes a MOSFET source, a MOSFET gate and a MOSFET drain. The MOSFET drain is connected to the HEMT source, and the MOSFET source includes a MOSFET source clip. The MOSFET source clip includes a pillar so to connect the MOSFET source to the HEMT gate, and the connection between the MOSFET source to the HEMT gate is established by a conductive material.