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- This paper discusses the factors of influencing thermal fatigue of solder joint in SMT and its research method. 本文研讨了影响SMT焊接点热疲劳性能的因素及研究方法。
- The quality of solder joint affects the reliability and lifetime of the products produced by SMT directly. 摘要由表面组装技术(SMT)形成的产品,其焊点质量直接影响到产品的可靠性和寿命。
- The quality of solder joint affects the reliability of the products produced by SMT directly. 由表面组装技术(SMT)形成的产品,其焊点质量直接影响到产品的可靠性。
- Whether fatigue of solder joint and the location of the chip are related to the curvature and torsional curvature of PCB are discussed. 芯片焊点寿命的长短和芯片所处位置的曲率和扭率都有关系,但是扭率对寿命的影响总是被忽略。
- Thermal fatigue life of solder joints is predicted using the Coffin-Manson's empirical modified formula. 在此基础上,利用Coffin-Manson经验修正公式预报了焊点的热疲劳寿命。
- Analyse of the Failure Mode of Solder Joint 焊点的失效模式与分析
- thermal fatigue life of solder joint 焊点热疲劳寿命
- The thermal-mechanical reliability of solder joints has been a key issue in the design of electronic devices and the reliability assessment of electronic packaging. 在电子元件的设计和电子封装的可靠性评估中焊点的热-机械可靠性是一个关键的因素。
- What phase of mathematics are you studying now? 你在学习哪一方面的数学?
- The program is interfaced with the program Evolver which is used to predict the global shape of solder joints, and sectional profiles of solder joints can be obtained quickly and observed directly. 这说明,不同的工艺参数对应的焊点的空间曲面特征是不同的,而考虑焊点的三维曲面特征在焊点工艺设计及焊点可靠性分析中是极为重要的。
- Virion The extracellular inert phase of a virus. 病毒(成熟)粒子:病毒在宿主细胞外以静止状态存在的结构。
- It assumes some phase of flowing. 可以设想会发生某些流动现象。
- It was a very important phase of history. 它是一个非常重要的历史阶段。
- Failure Analysis and Improvement of Solder Joint under Ultrasonic Vibration 超声波振动激励下焊点失效分析与改进
- They looked into the various phases of the problem. 他们研究了问题的各个方面。
- This was the third phase of his ascent. 这是他上升的第三阶段。
- Modeling and Predicting of Solder Joint Shapes of Fine Pitch Technology 细微间距器件焊点形态成形建模与预测
- Waiting here is but a phase of our existence. 等候在这不过是我们存在的阶段之一。
- Follow these steps for this phase of the recovery. 在此恢复阶段,请按照以下步骤操作。
- Is the sequence of Solder Paste height measurements defined? 锡膏厚度的测量顺序是否指定?