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Apples-to-Apples PCB Laminate Characterization

Bill Hargin (Director of Everything, Z-zero)

Don DeGroot (President, CCN)

Location: Ballroom D

Date: Wednesday, January 30

Time: 2:50pm - 3:30pm

Track: 05. Advances in Materials & Processing for PCBs, Modules & Packages, 08. Optimizing High-Speed Serial Design

Session Type: Technical Session

Vault Recording: TBD

Audience Level: All

Employing accurate material parameters in PCB design is critical to electrical performance, ensuring both signal and power integrity. PCB laminate manufacturers publish construction tables with resin-content and permittivity (Dk, Df) specifications. Can we trust them?

How does an engineer ensure that they have an "apples-to-apples" comparison across multiple laminate systems, constructions, and data sources?

In this paper we demonstrate a quick and direct method of acquiring actual dielectric constant (Dk) and loss tangent (Df) values from the same materials that will be used by your fabricator. This replaces guesswork and blind faith with actual values acquired from your own bench.

Takeaway

1.
It's so easy to measure reliable dielectric constant (Dk)
and loss tangent (Df) of copper clad laminate (CCL)
materials that material uncertainties can be taken off the
table, relative to signal- and power-integrity analysis.

2. The exact same (apples-to-apples) Dk and Df test method can be
used to compare and select laminates; to acquire actual Dk
and Df values for design; and to monitor the supply chain
during production.

Presentation Files

PAPER_05_ApplestoApplesLaminateCharacterization_Hargin.pdf
PAPER_05_ApplestoApplesPCBLaminate_Hargin.pdf