Design Reliable Multiple Stack Microvias Like a Pro

Judy Warner
|  Created: April 28, 2020  |  Updated: February 5, 2021
Design Reliable Multiple Stack Microvias Like a Pro

Gerry Partida is a 36 year veteran of the PCB industry, and spent twenty of those years working in boardshops. He is currently a Senior Field Application Engineer for Summit Interconnect, where he and his colleagues have made a fascinating discovery about the reliability of multiple stacked microvias. Gerry and his team are still collecting data on this finding, but he joined us on OnTrack to share a firsthand account of what he knows!

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Show Highlights:

  • Gerry shares his industry background and introduces Summit Interconnect, the second largest printed circuit board manufacturer in North America.
  • What is a microvia? A manufacturer’s perspective.
  • The first step is recognizing there’s a problem: a brief overview of the issue with multiple (more than two) stacked microvias.
  • To boldly go where no one has gone before: In the absence of an IPC standard, Gerry shares the recommended distance between stacked microvia and mechanically drilled holes. 
  • Gerry’s advice on how to avoid overloading your designs.
  • Gerry discusses IPC-6012E and the need for performance testing in the absence of adequate scopes (over 500x). 
  • OM testers: What are they, how prevalent are they, and how can they add value to your company?
  • OM testing: Reflow simulation and thermal shock testing—its value and its scope. 

Links and Resources:

Gerry Partida on LinkedIn
Summit Interconnect

IPC D Coupon Testing for Microvia Reliability


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About Author

About Author

Judy Warner has held a unique variety of roles in the electronics industry for over 25 years. She has a background in PCB Manufacturing, RF and Microwave PCBs and Contract Manufacturing, focusing on Mil/Aero applications. 

She has also been a writer, blogger, and journalist for several industry publications such as Microwave Journal, PCB007 Magazine, PCB Design007, PCD&F, and IEEE Microwave Magazine, and an active board member for PCEA (Printed Circuit Engineering Association). In 2017, Warner joined Altium as the Director of Community Engagement. In addition to hosting the OnTrack Podcast and creating the OnTrack Newsletter, she launched Altium's annual user conference, AltiumLive. Warner's passion is to provide resources, support, and advocate for PCB Design Engineers worldwide.

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