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June 2010

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Subject:
From:
Thomas E Kemp <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, [log in to unmask]
Date:
Tue, 8 Jun 2010 10:18:38 -0500
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Hi Cedric. Our basic guidelines for 210um (0.0084") thick copper is 
.0.018" minimum for both line widths and spacing. One must also take into 
consideration factors such as temperature rise, enclosure environment, 
etc. Keep in mind that you are also plating inside your through holes, so 
you must compensate here as well. I am not aware of an IPC specification 
for heavy copper. We invested a considerable amount to develop our 
guidelines.

Tom Kemp
Rockwell Collins Printed Circuits
Sr QE



Cedric ORAIN <[log in to unmask]> 
Sent by: TechNet <[log in to unmask]>
06/08/2010 05:45 AM
Please respond to
TechNet E-Mail Forum <[log in to unmask]>; Please respond to
Cedric ORAIN <[log in to unmask]>


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Subject
[TN] hEAVY COPPER PCB DESIGN RULES






Hello Technetters,

I am looking for design rules regarding a 2 sided PCB having 210um of
finished copper. What are the minimum trace width and the minimum 
clearance
betweens traces? 

Is ther an IPC doc describing this?

Thanks for your answers in advance!

Sincerly,

Cedric


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