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1996

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From:
[log in to unmask] (Louis Dallara)
Date:
Tue, 17 Sep 1996 10:06:52 -0400
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Hey Tom;
Yes.. there is a reason !!! They breakup the large
copper area, this reduces board warppage.
Unless, for electrical reasons you need a low
impedance path, why do you need a direct connection??
Louis T. Dallara                   
Printed Circuit Design Consultant   Routing for Performance not Connectivity!!
Under contact to Lockheed Martin Fairchild Systems
[log in to unmask]      http://www.waterw.com/~ldallara
 
> Does it make sense to use thermal connections on vias?
> Thermals were originally used on thru hole comps to increase
> solderability of the leads, but now that is not necessary for SMT.
> Is there any reason to use them for vias? 
> I've been using direct connection to the inner planes.
> 
> Tom Kavendek
> Lucent Technologies
> Murray Hill, N.J.
> [log in to unmask]
> 
> 

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