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Effects of Polymer Material Variations On High Frequency Dielectric Properties

Published online by Cambridge University Press:  31 January 2011

Gregory Pawlikowski
Gregory Pawlikowski*
Affiliation:
gtpawlikowski@tycoelectronics.com, Tyco Electronics Corporation, Technology - Advanced Materials, P.O. Box 3606, M/S 140-009, Harrisburg, Pennsylvania, 17105, United States, 717-986-5791, 717-986-7070
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Abstract

In high frequency signal packaging, the plastic dielectric material takes on an increasingly important role in the performance of the signal transmission. Variations within the plastic can occur as a result of a number of manufacturing and environmental processes. These variations can be sufficient to change the dielectric properties. The extent of change to the dielectric properties of polymer materials as a result of controlled variations to major filler additives, moisture and temperature has been investigated. The combined effects of moisture and temperature can cause changes to the dielectric constant of certain materials by more than 30 %.

Keywords

dielectric propertiespolymeradditives

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