Embedded Capacitance and Embedded Passives with John Andresakis

January 22, 2019 Judy Warner


Listen in to Judy Warner and guest John Andresakis from DowDupont and learn about embedded resistance materials. There are several benefits that make this a beneficial technology. Did you know that you can take up to 90% of your decoupling caps off the surface of the board, while improving reliability and reducing inductance? Learn about several design considerations for using embedded capacitors and build on the knowledge of experts like Rick Hartley and Eric Bogatin who both addressed inductance in their AltiumLive San Diego keynotes.


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Show Highlights:

  • Senior Technical Marketing Leader - Interconnect Solutions at DowDupont; 30 years experience mostly on the materials side and now at DowDupont, soon to be the new Dupont.
  • Embedded capacitance -cross connections with: Rick Hartley's keynote at Altiumlive (inductance) and Eric Bogatin's keynote as well
  • This reduces inductance
  • Film based materials now allow embedded capacitor layers to be 1 mil or below with excellent yields
  • People were practicing some form of this 30+ years ago, but according to patents 25 years or so. There used to be material concerns, but with the advanced materials i.e. improvements in technology more is possible.
  • What manufacturers are providing this service? Most of them!
  • It's like a version of a rigid flex, without the flex part sticking out.
  • This isn’t a very hard thing to implement, it wouldn’t be difficult for the manufacturer to get up to speed on this. The things involved are not difficult to learn.
  • Learn more at IPC APEX - stop by DowDuPont and Insulectro - booth 624

Links and Resources:

IPC Standard: 2316 Design Guide for Embedded Passive Device Printed Boards

DuPont Interra HK04J Planar Capacitor Laminate

IPC Standard: 4821 for embedded passive devices

Rick Hartley on the Importance of PC Board Stack-up at AltiumLive

Eric Bogatin on The Value of the White Space at AltiumLive

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Disclaimer: We respect the unique perspectives of all of our OnTrack podcasts guests. Therefore, we choose to offer their uncensored opinions in favor of full transparency. However, all opinions expressed are exclusively those of our guests and do not reflect the views of Altium or our employees.

About the Author

Judy Warner

Judy Warner has held a unique variety of roles in the electronics industry since 1984. She has a deep background in PCB Manufacturing, RF and Microwave PCBs and Contract Manufacturing with a focus on Mil/Aero applications in technical sales and marketing.

She has been a writer, contributor and journalist for several industry publications such as Microwave Journal, The PCB Magazine, The PCB Design Magazine, PDCF&A and IEEE Microwave Magazine and is an active member of multiple IPC Designers Council chapters.

In March 2017, Warner became the Director of Community Engagement for Altium and immediately launched Altium’s OnTrack Newsletter.
She led the launch of AltiumLive: Annual PCB Design Summit, a new and annual Altium User Conference.

Judy's passion is to provide resources, support and to advocate for PCB Designers around the world.

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