The shape of the male die cutting edge was determined by experiment. The products punched had minimal burr and smooth section.
通过试验确定了合理的凸模刃口形状，冲出的零件毛刺极小，产品断面平整光滑。
Based on minimal energy principle, Evolving model of flip-chip 3-d shape prediction of MCM is established, and 3-d solder shape is effectively predicted.
基于最小能量原理建立了多芯片组件(MCM)倒装焊焊点成形预测模型，对其三维焊点形态进行了有效预测。
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