印制电路组件的清洗工艺

Cleaning Process for Printed Circuit Assembly

焊接是电子设备的生产中重要的步骤,焊接后必须进行清洗才能保证电子设备的可靠性、电气指标和工作寿命。鉴于军工产品必须要清洗,所以清洗工艺对于军工产品尤为重要。介绍了清洗的重要性,讨论了印制电路组件污染物的种类、来源分析及相关清洗工艺,并简单介绍了清洗后洁净度的相关检测标准。同时结合自身工作对印制板电路组件焊接后的清洗问题进行了分析,并提出了可靠的解决方案和新的思路。

Cleaning is the most important procedure of production for electronic equipment, must be carried out to ensure that electronic equipment possesses reliability, and is in accordance with electric index, as well as is of normal operation life. Cleaning technics is significant important for military industrial products. Describe the importance of the cleaning. Categories and sources of contamination for printed circuit assembly, and accociated cleaning technics are discussed. Briefly introduce accosiated test standard of cleanness. According to experience, cleaning problem is analysed, and credible solutions and novelty ideas are offered.