IPC-2226 is a good start for designs.  The PCB suppliers will have their own DFM guidelines and if you see a large move away from 2226 question why.     



Jeff



Jeffrey Bush

Program Quality Engineering Manager

BAE SYSTEMS 

Electronic Systems Division 

C4ISR Solutions – Space Systems Group

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-----Original Message-----

From: TechNet <[log in to unmask]> On Behalf Of Hernandez, Victor G

Sent: Thursday, March 3, 2022 12:17 PM

To: [log in to unmask]

Subject: [TN] Micro Via Technology



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Fellow TechNetters:



    Is there a doc reference that describes the different types of Micro Vias Technology by size/dimensions.



Victor,