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首页> 外文会议>35th Annual IICIT Connector and Interconnection Technology Symposium and Trade Show; Oct 7-9, 2002; Orlando, Florida >Hermetic Connector Sealing Improvement
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Hermetic Connector Sealing Improvement

机译：密封连接器密封性的改善

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摘要

Significant hermeticity failures occurred with electrical connectors that use circular stainless steel shell bodies, 9013-type sealing glass and Alloy 52-type pin contacts. A key design feature in the shell body is a 'd-flat,' which is used to orient the connector in next assembly, and which creates high unsymmetrical stresses. Significant technical requirements for the connector are that they be hermetic after 200℃ temperature cycling and a set of thermal shocks. While this effort analyzed all processes involved, the majority of the effort was directed toward passivation, outgassing, pre-oxidation and sealing. Outgassing of the 304L alloy was determined to be unnecessary and was eliminated. Recommended design modifications, including a glass composition change and location of the sealing glass with reference to certain external shell features, were combined with the processes to be optimized. Using some of the Six Sigma Blackbelt evaluation tools, desired process working spaces were determined. The resulting process and design change improvements from these evaluations were implemented and qualified for production. This paper reviews some of the activities and evaluations performed to achieve an improved and robust hermetic seal under strenuous environmental conditions in electrical connectors with unsymmetrical bodies.
机译：使用圆形不锈钢外壳，9013型密封玻璃和52型合金插针触点的电连接器发生了严重的密封性故障。外壳主体中的关键设计特征是“ d平面”，该d平面用于在下一个组件中定向连接器，并产生很高的不对称应力。该连接器的重要技术要求是：在200℃的温度循环和一系列热冲击后，它们必须处于密封状态。尽管这项工作分析了所有涉及的过程，但大部分工作是针对钝化，除气，预氧化和密封。 304L合金的脱气被确定为不必要并已消除。推荐的设计修改，包括玻璃成分的更改和密封玻璃的位置（参考某些外壳特征），均与要优化的过程结合在一起。使用六西格玛Blackbelt评估工具中的一些，确定了所需的过程工作空间。从这些评估中得到的改进的过程和设计变更已实施并合格用于生产。本文回顾了为在不对称物体的电连接器中的恶劣环境条件下实现改进和坚固的气密密封而进行的一些活动和评估。

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