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HDP User Group New Project Starts

30 March 2017

HDP User Group announces the start of the Better CAF Acceleration Equation project and the High Frequency Loss from Copper Topology projects.  Following are descriptions of the new projects and how to join.

 

Better CAF Acceleration Equation

Classic CAF (Conductive Anodic Filamentation) is a two-step process, firstly the creation of a pathway by hydrolysis followed by electrochemical filament growth. Where there is no pathway there can be no CAF, hence existing acceleration factor equations which model the process as a single step are clearly incorrect. The project will determine a better acceleration factor equation for CAF and quantify the effects of Voltage, Temperature and Humidity hopefully enabling shorter testing time for CAF material qualification.

You can join the project by going to the project page on the HDP website: http://hdpug.org/better-caf-acceleration-equation, or contacting the project facilitator Alun Morgan, alunm@hdpug.org

 

High Frequency Loss from Copper Topology

The recently completed Smooth Cu Si project suggested a difference in the X versus Y axis topography of the drum side of the copper foil after some treatments could affect insertion loss. This project will delve into the question of how this copper directionality or topography can affect insertion loss and evaluate the level of this loss.

You can join the project by going to the project page on the HDP website: http://hdpug.org/high-frequency-loss-copper-topology, or contacting the project facilitator John Davignon, johnd@hdpug.org

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