单项选择题
对线路层数据进行分析查看,选用下面哪个功能()
A. Analysis->Signal Layer Checks
B. DFM->Optimization->Signal Layer Opt
C. Analysis->Silk Screen Checks
D. Analysis ->Board-Drill Checks
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相关考题
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单项选择题
对防焊层数据进行分析查看,选用下面哪个功能()
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
