[PCB_FORUM] regarding blind/buried

  • From: "Hamid Awais" <hawais@xxxxxxxxxxxxxxxx>
  • To: <icu-pcb-forum@xxxxxxxxxxxxx>
  • Date: Thu, 11 May 2006 12:33:40 +0500

Hello all:

I have a question here regarding the stack up for blind/buried boards.

Is this necessary to have ROUTING layer adjacent to Top and Bottom layers or
we may have Planes (negative) layers adjacent to Top/Bottom and then a
positive routing layer.

In case we have planes layer adjacent to TOP, then the TOP-Blind via must be
like from TOP->Plane->Signal layer, right?

Looking forward to some expert opinion.

Cheers,
Hamid.
 


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