基于破坏性物理分析的电子元器件失效机理研究

Research on the Failure Mechanism of Electronic Components Based on Destructive Physical Analysis

摘要

电子元器件作为装备系统的核心基础，其可靠性直接决定整机性能与任务成败。本文以破坏性物理分析（DPA）为主要研究方法，系统探究电子元器件的失效机理。通过对典型元器件进行结构剖解、材料表征与微观分析，结果表明：DPA能够在微观尺度上揭示材料缺陷的物理本质，精准定位失效的关键环节，并进一步识别耦合应力的交互路径与失效物理机制。这些分析结果可为封装材料选择、工艺优化以及可靠性强化设计提供科学依据。在此基础上，本文提出基于DPA的失效溯源方法优化策略，包括检测流程规范化、表征手段精细化和数据溯源体系化等，以提升元器件可靠性评估的准确性与工程应用价值。

Abstract

As the core foundation of equipment systems, the reliability of electronic components directly determines the overall performance and mission success or failure. This article uses destructive physical analysis (DPA) as the main research method to systematically explore the failure mechanism of electronic components. Through structural dissection, material characterization, and microscopic analysis of typical components, the results show that DPA can reveal the physical essence of material defects at the microscopic scale, accurately locate key failure links, and further identify the interaction path of coupled stress and the physical mechanism of failure. These analysis results can provide scientific basis for the selection of packaging materials, process optimization, and reliability enhancement design. On this basis, this article proposes an optimization strategy for failure traceability methods based on DPA, including standardization of detection processes, refinement of characterization methods, and systematization of data traceability, in order to improve the accuracy and engineering application value of component reliability assessment.

关键词

破坏性物理分析 / 电子元器件 / 失效机理

Key words

destructive physical analysis / Electronic components / failure mechanism

参考文献

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