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Question About Your Board Stack Example - Why Blind VIA is Different Size?

jpartis1 , 08-17-2018, 07:27 AM
Can you please tell me why the blind VIA in the example stackup you use is bigger in size than the micro vias?
mairomaster , 08-20-2018, 01:49 AM
The blind vias in the particular stackup are mechanically drilled and they can't be practically manufactured with as small hole diameter as the micro vias (laser drilled).
jpartis1 , 08-20-2018, 08:07 AM
Nice, thanks a lot for that, makes total sense! I knew there had to be a very good reason...
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