Making Sense of Laminate Dielectric Properties

Published:

December 16, 2020

Author:

Michael J. Gay and Richard Pangier

Abstract:

System operating speeds continue to increase as a function of the consumer demand for such technologies as faster Internet connectivity, video on demand, and mobile communications technology. As a result, new high performance PCB substrates have emerged to address signal integrity issues at higher operating frequencies. These are commonly called low Dk and/or low loss (Df) materials. The published "typical" values found on a product data sheet provide limited information, usually a single construction and resin content, and are derived from a wide range of test methods and test sample configurations. A printed circuit board designer or front end application engineer must be aware that making a design decision based on the limited information found on a product data sheet can lead to errors which can delay a product launch or increase the assembled PCB cost. The purpose of this paper is to highlight critical selection factors that go beyond a typical product data sheet and explain how these factors must be considered when selecting materials for high speed applications...

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Company Information:

Isola Group

Isola a global material sciences company focused on designing, developing, manufacturing and marketing copper-clad laminates and dielectric prepregs used to fabricate advanced multilayer PCBs.

Chandler, Arizona, USA

Laminates

  • Phone 480-893-6527
  • Fax 480-893-1409

Isola Group website

Company Postings:

(1) product in the catalog

(2) technical library articles

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