Common Query I . Board thick n ess 1. Lay-up2. Mismatch between t h e lay-up board thicknesses 3. Relax board thic k ness tolerance II . Car b on i n k III . Cu thickness & Pad 1. Add Cu clearance for NPTH or consider 2nd-drill2. Add dummy pattern3. Copper close to board edge4. Copper extending to u...

时间:2024-11-20 13:05栏目:行业资料