buenos
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hi
1.
how to create a microvia in allegro? step-by-step, please
in the pad designer program, there is an option for "microvia", just it is not available, which means its gray, i can not enable it. why?
actually it says type=through and there is no option to change it to BB via. microvia would be a BB via, i think.
2.
how to create a stacked via structure with 2 microvias from top to inner-1 and a big buried tht via from inner-1 to layer N-1. ?
which allegro documents describe this?
a few allegro pdfs talk about these, just they dont tell me where to click in the menus to do it.
1.
how to create a microvia in allegro? step-by-step, please
in the pad designer program, there is an option for "microvia", just it is not available, which means its gray, i can not enable it. why?
actually it says type=through and there is no option to change it to BB via. microvia would be a BB via, i think.
2.
how to create a stacked via structure with 2 microvias from top to inner-1 and a big buried tht via from inner-1 to layer N-1. ?
which allegro documents describe this?
a few allegro pdfs talk about these, just they dont tell me where to click in the menus to do it.