A. DFM->Optimization->Solder Paste Opt B. Analysis->Solder Mask Checks C. Analysis->Silk Screen Checks D. DFM->Optimization->Solder Mask Repair
单项选择题对防焊层数据进行clearance及coverage优化,选用下面哪个功能()
A. DFM->Optimization->Solder Paste Opt B. Analysis->Solder Mask Checks C. DFM->Optimization->Positive Plane Opt D. DFM->Optimization->Solder Mask Repair
单项选择题外层BGAPAD需添加何种属性()
A..smd/bga B..cannedtext C..fiducial D..lotno
单项选择题可实现手动转SMD的功能为:()
A. DFM>…>Construct Pads(Auto) B. DFM>…>Construct Pads(Ref) C. DFM>…>Line Unification D. DFM>…>NFP Removal
单项选择题可用来制作弧角、导角、直角的快捷键为()
A.ALT+N B.ALT+T C.ALT+O D.ALT+D
单项选择题比对两层别有什么不同用什么指令()
A.COPY B.Register C.MOVE D.Compare