William, The answer is "it depends". I suggest you take a look at IPC 6012 assuming you are working on a rigid board. Brs, Gerry
 > Date: Wed, 29 Aug 2012 08:29:13 -0500
> From: [log in to unmask]
> Subject: [TN] Copper thickness
> To: [log in to unmask]
> 
> Hello all - I am working with a drawing that calls out a copper thickness of "6 oz/um"  How thick is this in typical copper thickness terms? (1/2 oz = .0007 in,  1 oz = .0014, etc)
 		 	   		  

______________________________________________________________________
This email has been scanned by the Symantec Email Security.cloud service.
For more information please contact helpdesk at x2960 or [log in to unmask] 
______________________________________________________________________