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- Dimension of Solder Joint Ends 焊接端尺寸
- 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
- Inspection machining dimension of rudder pintle. 舵销机加工尺寸检查。
- 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。
- The dimension of the manual fire call point. 手动火灾报警按钮的外形尺寸。
- Inspection dimension of loadline after marking out. 载重线标志划线后检查尺度。
- 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。
- I found a new dimension of your personality. 我保证他一定要求你把。
- The dimension of the system is fraction. 这个无序系统的维数一般是分数。
- Inspection machining dimension of rudder stock. 舵杆机加工尺寸检查。
- The mean greatest dimension of a tumor was 8.2 cm. 十二个病人患有纤维神经瘤病。
- Are we missing a dimension of time? 我们忽略了一个时间维度?
- Measure rough dimension of drilling hole. 测量打孔珍珠大致尺寸.
- 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