Semiconductor Device Wiring Terminal Layout Flexibility

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Solution Overview

Problem

Existing semiconductor devices with power semiconductor elements housed in resin cases face challenges in easily changing the layout of wiring terminals, limiting flexibility and adaptability in circuit configurations.

Innovation Solution

A semiconductor device design featuring external connection terminals fixedly supported in a resin case, with a terminal block and wiring terminal configuration that allows for easy rearrangement and customization of wiring layouts, enabling flexible connection and circuit configuration changes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If wiring terminals are fixedly supported in a resin case using conventional methods, then the structure is simple and manufacturing is easy, but the layout of wiring terminals cannot be changed easily

Engineering Contradiction:
Improvelayout flexibilityVSAvoidstructure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The device is divided into separate functional modules: a resin case with fixed external connection terminals, a terminal block with wiring terminals, and a semiconductor element. This segmentation allows the wiring terminal layout to be changed by replacing the terminal block while keeping the resin case structure simple and standardized.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The terminal block is designed to be detachable and replaceable, transforming the wiring terminal layout from a fixed state to a dynamic, changeable state. The terminal block can be removed and repositioned or replaced with different configurations to adapt to different circuit requirements.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If wiring terminals are directly connected to external connection terminals, then the connection is stable and reliable, but any layout change requires complex remanufacturing

Engineering Contradiction:
Improvelayout changeabilityVSAvoidremanufacturing difficulty
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The connection path is segmented into two parts: external connection terminals fixed in the resin case and wiring terminals on a separate terminal block. This allows the terminal block to be manufactured independently and replaced without remanufacturing the entire resin case or external connection terminals.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The terminal block acts as an intermediary component between the external connection terminals and the semiconductor element. It provides a flexible interface that can be changed without affecting the external connection terminals or the semiconductor element, simplifying the remanufacturing process.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Adaptability or versatility

If a fixed wiring terminal layout is used, then the device structure is simple, but adaptability to different circuit configurations is limited

Engineering Contradiction:
Improvecircuit configuration flexibilityVSAvoidoperation complexity
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The terminal block is designed as a dynamic component that can be repositioned or replaced to accommodate different circuit configurations. This allows the device to adapt to various operational requirements without increasing the complexity of basic operations.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The terminal block serves multiple functions: it provides electrical connection, allows layout adjustment, and enables different circuit configurations. This multi-functionality increases adaptability while maintaining operational simplicity through a unified interface.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS8030749B2Semiconductor device
Publication Date: 2011.10.04 FUJI ELECTRIC CO LTD
  • US8030749B2 patent drawing
  • US8030749B2 patent drawing
  • US8030749B2 patent drawing

AI summary

A semiconductor device includes a resin case, a plurality of external connection terminals fixedly provided on the resin case, and at least one semiconductor element provided in the resin case. At least one terminal block has at least one wiring terminal for electrically connecting the semiconductor element and the external connection terminals.