Determination of Copper Foil Surface Roughness from Micro-section Photographs
Published: |
April 25, 2013 |
Author: |
Scott Hinaga, Soumya De, Aleksandr Y. Gafarov, Marina Y. Koledintseva, James L. Drewniak |
Abstract: |
Specification and control of surface roughness of copper conductors within printed circuit boards (PCBs) are increasingly desirable in multi-GHz designs as a part of signal-integrity failure analysis on high-speed PCBs. The development of a quality-assurance method to verify the use of foils with specified roughness grade during the PCB manufacturing process is also important... First published in the 2012 IPC APEX EXPO technical conference proceedings.... |
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