Hi Louis-

Can't be that hard, but results may not be as official. What about using some weights hung off a modified (soft jaw to grab the foil better) binder clip?  Add a little weight, measure the stretch using calipers, and note both near breakage.  Or spring for an Instron or Dage.  IF it's for production, I'd think you could do a simple go/no-go test without too much trouble. 

Wayne
________________________________________
From: TechNet [[log in to unmask]] on behalf of Louis Hart [[log in to unmask]]
Sent: Friday, August 09, 2013 12:35 PM
To: [log in to unmask]
Subject: [TN] question for PCB fabricators

Technet PCB fabricators, I want to perform tensile strength and elongation testing on plated copper, TM-650, 2.4.18.1.  At present, we are sending samples to an external lab once per month, but want data more often and more quickly, so are considering testing in-house.

Any fabricators performing this test in-house? How often?

Any suggestions from PCB users are also welcome.

Louis Hart
Compunetics
Monroeville, PA
USA
[log in to unmask]<mailto:[log in to unmask]>
412-858-1232


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