Power Semiconductor Module Bus Bar Layout for Easier Manufacturing
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Solution Overview
Problem
There is a need for a power semiconductor module arrangement that can be produced easily and cost-effectively while providing a high degree of flexibility, as existing solutions often require complex and costly manufacturing processes.
Innovation Solution
The power semiconductor module arrangement includes a housing with a substrate having a dielectric insulation layer and a first metallization layer, featuring bus bars that are electrically and mechanically coupled to the substrate, with identical outlines and configurations to simplify production and enhance flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional bus bars with different outlines are used to connect semiconductor devices, then electrical connections can be established, but the manufacturing process becomes complex and costly
Solution Approach 1:
The patent applies homogeneity by making all bus bars identical in outline and configuration. Each bus bar has the same geometric shape and structural properties, which simplifies the manufacturing process by allowing standardized production methods and reduces the complexity of designing and assembling different types of bus bars.
Solution Approach 2:
The identical bus bars serve multiple functions and can be used in various positions within the semiconductor device assembly. The universal design allows the same bus bar component to connect different semiconductor elements, providing flexibility in arrangement and simplifying inventory and manufacturing.
2Ease of manufacture
If conventional bus bars with varying configurations are used, then specific electrical connections are achieved, but production costs increase
Solution Approach 1:
The identical bus bars are designed to be universally applicable in different positions and configurations within the semiconductor assembly. This universal design maintains flexibility in arranging semiconductor elements while reducing production costs through standardized manufacturing of a single bus bar type.
Solution Approach 2:
The standardized bus bar design enables dynamic and flexible arrangement of semiconductor elements without requiring custom bus bars for each configuration. The system can be adapted to different layouts using the same bus bar components, providing versatility at low cost.
3Reliability
If bus bars with different outlines are employed, then electrical connections are established, but manufacturing complexity increases
Solution Approach 1:
All bus bars are designed with identical outlines and configurations, ensuring consistent electrical connection properties across all connections. This homogeneity maintains reliable electrical connections while simplifying the manufacturing process by eliminating the need to handle multiple bus bar types with different geometries.
Data Source
AI summary
A power semiconductor module arrangement includes: a housing; a substrate arranged in or forming a bottom of the housing, the substrate including a dielectric insulation layer and a first metallization layer attached to the dielectric insulation layer; a semiconductor arrangement on the substrate; and bus bars electrically coupled to each other by the semiconductor arrangement and/or the first metallization layer. Each bus bar has opposing first and second ends, a first surface having a first outline, and a second surface opposite the first surface, the second surface having a second outline that is a projection of the first outline. The first end of each bus bar is electrically and mechanically coupled to the substrate, the second end extending to the outside of the housing. The outline of the first surface of a bus bar is identical to the outline of the first surface of each of the other bus bars.