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HDI via

ENEGUE

Hi Guys,

lets said i got a board with 1-2-1 structure.
Scenario 1: when i punch the via directly from top to bottom, the distance between microvia to microvia is 0mil according to what i set(beautiful)
Scenario 2: when i stop at L2 and restart routing again i cannot get 0mil distance directly(i need manually route and place the core via).
Question is, any way to improve the second scenario?except delete the L1L2 microvia and re-route again.=(
Eugene
  • CadAce2K

    This is set up with the Constraint Manager - far right settings inside CM. You'll also want to set your via structure up accordingly so it selects uVias first (and change the Via Option to WL I believe). Trial and error. There are some tutorials online too that help you through this. If I find my 'how to' document I'll pass it along. I think I have it on a smart stick somewhere.

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